Product Description
Product descriptions from the supplier
1.Outer packing: Standard export carton with required shipping marks
2.Inner packing: Waterproof packing with shock absorbing EPE and cardboard surrounded
3.As per the clients requirements
Overview
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Industrial |
|---|---|
| Operating Speed: | High Speed |
| Excitation Mode: | Excited |
| Function: | Control, Driving |
| Casing Protection: | Protection Type |
| Number of Poles: | 8 |
| Samples: |
US$ 300/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
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Can brushless motors be used in environments with high temperatures or extreme conditions?
Yes, brushless motors can be designed and used in environments with high temperatures or extreme conditions, provided that they are appropriately engineered and equipped with suitable materials and protective measures. Here’s a detailed explanation of the factors to consider and the measures taken to enable brushless motors to operate in such challenging environments:
1. Thermal Management: High temperatures can have detrimental effects on the performance and lifespan of brushless motors. To mitigate these effects, thermal management techniques are employed. This includes the use of efficient heat sinks, cooling fans, or liquid cooling systems to dissipate heat generated during motor operation. Additionally, the motor’s design may incorporate insulation materials that can withstand high temperatures and prevent heat transfer to sensitive components.
2. High-Temperature Materials: Brushless motors intended for use in high-temperature environments are constructed using materials that can withstand the elevated temperatures. This includes the use of high-temperature-resistant magnets, such as samarium cobalt (SmCo) or neodymium iron boron (NdFeB) magnets, which can maintain their magnetic properties at high temperatures. Similarly, the motor’s components, such as the stator, windings, and insulation materials, are selected or treated to withstand the specific temperature requirements.
3. Sealing and Enclosure: Extreme conditions often involve exposure to dust, moisture, or other contaminants that can adversely affect motor performance. To protect brushless motors in such environments, they are typically equipped with robust sealing and enclosure measures. This may include the use of gaskets, O-rings, or specialized seals to prevent the ingress of dust, water, or corrosive substances. In some cases, motors are housed in IP (Ingress Protection) rated enclosures, providing a higher level of protection against environmental factors.
4. Vibration and Shock Resistance: Some extreme environments may subject the motors to high levels of vibration or mechanical shocks. Brushless motors designed for such conditions are engineered to withstand these external forces. They may incorporate features such as reinforced mounting structures, vibration-damping materials, or shock-absorbing mechanisms to ensure reliable operation and prevent damage to internal components.
5. Environmental Testing and Certification: To ensure the suitability of brushless motors for high-temperature or extreme environments, they often undergo rigorous testing and certification processes. These tests may include temperature cycling, humidity testing, thermal shock testing, vibration testing, and ingress protection testing. Compliance with industry standards and certifications, such as UL (Underwriters Laboratories) or IEC (International Electrotechnical Commission) standards, provides assurance of the motor’s reliability and performance in specific environmental conditions.
It’s important to note that the specific temperature and environmental limits of a brushless motor can vary depending on the design, construction, and intended application. Therefore, when considering the use of brushless motors in high-temperature or extreme conditions, it is essential to consult with motor manufacturers or experts who can provide guidance based on the specific requirements and constraints of the intended application.
What types of sensors are commonly used in brushless motors for feedback and control?
In brushless motors, various types of sensors are commonly used for feedback and control purposes. These sensors provide essential data to monitor and control the motor’s position, speed, and other parameters. Here are some of the commonly used sensors in brushless motors:
1. Hall Effect Sensors:
Hall effect sensors are widely used in brushless motors for commutation control. Typically, three Hall effect sensors are positioned around the motor’s stator to detect the position of the rotor’s permanent magnets. By sensing the magnetic field changes, the Hall effect sensors determine the rotor’s position relative to the stator. This information is crucial for the motor’s electronic controller to apply the correct current to the motor’s windings and ensure proper commutation.
2. Encoder Sensors:
Encoders are commonly employed in brushless motors for precise position control. There are two main types of encoders used: optical encoders and magnetic encoders. Optical encoders use an optical disc with patterns and a light-emitting diode (LED) and photodetector to detect the rotation of the motor’s shaft. Magnetic encoders, on the other hand, utilize magnetic fields and sensors to measure the shaft’s position. Encoders provide high-resolution position feedback and enable accurate closed-loop control of the motor’s position.
3. Resolver Sensors:
Resolvers are another type of position sensor used in brushless motors. They consist of a rotor and a stator with windings. As the rotor rotates, the resolver measures the angular position by detecting the voltages induced in the stator windings. Resolvers are known for their durability and resistance to harsh environmental conditions, making them suitable for various industrial applications.
4. Current Sensors:
Current sensors are used to measure the current flowing through the motor’s windings. They provide feedback on the motor’s electrical load and enable monitoring of the motor’s torque output. Current sensors can be based on different principles, such as Hall effect, shunt resistors, or current transformers. By measuring the motor’s current, the control system can adjust the motor’s performance and protect it from overcurrent conditions.
5. Temperature Sensors:
Temperature sensors are utilized to monitor the motor’s temperature and prevent overheating. These sensors can be thermocouples, thermistors, or integrated temperature sensors. By continuously monitoring the motor’s temperature, the control system can adjust the motor’s operation, activate cooling mechanisms, or trigger alarms and shutdowns if the temperature exceeds safe limits.
6. Speed Sensors:
Speed sensors are employed to measure the rotational speed of the motor. They provide feedback on the motor’s speed and enable closed-loop speed control. Speed sensors can be optical or magnetic, relying on the detection of changes in position or magnetic field patterns to determine the motor’s speed.
The specific combination and utilization of these sensors depend on the motor’s design, control system requirements, and application needs. By using these sensors, brushless motors can achieve precise control, accurate position feedback, and efficient operation, making them suitable for a wide range of applications in industries such as automotive, robotics, aerospace, and industrial automation.
How do brushless motors contribute to energy efficiency compared to brushed motors?
Brushless motors offer several key advantages over brushed motors when it comes to energy efficiency. Here’s how brushless motors contribute to energy efficiency compared to brushed motors:
1. Elimination of Brush Friction:
In brushed motors, the brushes make physical contact with the commutator, resulting in friction and wear. This friction causes energy losses in the form of heat. Brushless motors, on the other hand, do not use brushes or commutators. The absence of brush friction significantly reduces energy losses, resulting in improved energy efficiency. The elimination of brush friction allows brushless motors to operate at higher efficiencies and reduces the amount of wasted energy dissipated as heat.
2. Reduced Electrical Resistance:
Brushed motors rely on the brushes and commutator to transfer electrical current to the rotor windings. However, these components introduce electrical resistance, leading to energy losses in the form of voltage drops and heat generation. In brushless motors, electrical current is transferred to the stator windings through electronic commutation, which eliminates the resistance caused by brushes and commutators. The reduced electrical resistance in brushless motors results in higher energy efficiency and minimizes power losses.
3. Improved Power Conversion:
Brushless motors employ electronic commutation, allowing for more precise control of the current flow in the stator windings. This precise control enables optimized power conversion, ensuring that the electrical energy supplied to the motor is efficiently converted into mechanical power. Brushed motors, on the other hand, rely on mechanical commutation, which is less efficient and leads to power losses in the form of sparks and arcing. The improved power conversion in brushless motors contributes to their higher energy efficiency.
4. Regenerative Braking:
Brushless motors have the capability of regenerative braking, which further enhances their energy efficiency. During braking or deceleration, the motor can act as a generator, converting the kinetic energy of the moving load back into electrical energy. This regenerated energy can be fed back into the power source or stored in batteries or capacitors for later use. Regenerative braking reduces energy wastage and improves overall system efficiency by recovering and reusing energy that would otherwise be dissipated as heat in traditional braking systems.
5. Optimal Sizing and Control:
Brushless motors can be designed and controlled to match the specific requirements of the application, resulting in optimal sizing and operation. By selecting the appropriate motor size, torque rating, and control parameters, the motor can operate at its most efficient operating point. This tailored approach ensures that the motor operates with minimal energy losses and maximizes its energy efficiency. In contrast, brushed motors may be oversized or underutilized for certain applications, leading to less efficient operation and higher energy consumption.
Overall, brushless motors offer higher energy efficiency compared to brushed motors due to the elimination of brush friction, reduced electrical resistance, improved power conversion, regenerative braking capabilities, and the ability to optimize motor sizing and control. These energy-saving features make brushless motors a preferred choice in various applications, particularly those that prioritize energy efficiency, such as electric vehicles, renewable energy systems, and battery-powered devices.
editor by CX 2024-05-17
China high quality 24V 48V DC Servo Motor 700W 750W 1500rpm 5n. M with Brushless Driver vacuum pump design
Product Description
24V 48V DC servo motor 700W 750W 1500rpm 5N.m with brushless driver
Product Description
What is a Brushless DC motor (BLDC)?
Brushless DC motor (known as BLDC) is a permanent magnet synchronous electric motor which is driven by direct current (DC) electricity and it accomplishes electronically controlled commutation system (commutation is the process of producing rotational torque in the motor by changing phase currents through it at appropriate times) instead of a mechanically commutation system. BLDC motors are also referred as trapezoidal permanent magnet motors.
It has no mechanical commutator and associated problems High efficiency due to the use of permanent magnet rotor High speed of operation even in loaded and unloaded conditions due to the absence of brushes that limits the speed Smaller motor geometry and lighter in weight than both brushed type DC and induction AC motors Long life as no inspection and maintenance is required for commutator system Higher dynamic response due to low inertia and carrying windings in the stator Less electromagnetic interference Quite operation (or low noise) due to absence of brushess.
Product Parameters
LKBS48501 is an intelligent brushless DC controller. It adopts 32-bit high-performance MCU,Advanced motion control algorithm is suitable to the outside of the quadrature encoder input to complete the open loop and closed loop speed, under the closed loop torque of motor sport.Controller with multiple analog input port, the pulse input port and digital I/O port, can through the special software to redefine its functions.Universal RS232 serial port communication,
CAN bus, CAN be widely used in automation
Product Features:
-Wide-range voltage input, 10-55V.
-Intelligent PID control loop.
-Working mode: Speed open-loop, close-loop control, torque close-loop control, position close-loop control.
-External potentiometer, 0-5V analog quantity or pulse command control mode, RC (pulse width signal outputted by the receiver of aeromodelling remote control) control mode.
-Safety CHINAMFG & reverse control, four-quadrant operation, support regeneration.
-Enable control function.
-Maximum current control.
-4-way input port; the function can be defined as analog input, pulse input or digital input functions.
-2-way digital (MOS tube open-drain) output, Generally as 24V 1A output (maximum load capacity of 40V 1A), can be used to loosen the brake or
other attachments.
-Abnormalities like overcurrent, overheating, overvoltage and short circuit will start the protection function.
-LED status indicator.
-CAN bus communication, see the detailed communication protocol when using it
-RS232 communication, see the detailed communication protocol when using it.
Packaging & Shipping
Company Profile
HangZhou CHINAMFG Electronic Technology Co., Ltd. mainly engaged in high and low voltage permanent magnet DC motor, high and low voltage BLDC Motor, high and low voltage AC and DC servo motor, and its supporting high and low voltage DC motor drivers, AC and DC servo motor drivers and other high-quality products for industrial fields.
FAQ
Q:What’s the lead time for regular order?
A: For orders, the standard lead time is 3-5 days and this time can be shorter or longer based on different model, period and quantity.
Q: Can you send me a price list?
A: For all of our motors, they are customized based on different requirements like lifetime, noise, voltage, and shaft etc. The price also varies according to annual quantity. So it’s really difficult for us to provide a price list. If you can share your detailed requirements and annual quantity, we’ll see what offer we can provide.
Q: Is it possible for you to develop new motors if we can provide tooling cost?
A:Yes. Please kindly share the detailed requirements like performance, size, annual quantity, target price etc. Then we’ll make our evaluation to see if we can arrange or not.
Q: Can I get some samples?
A: It depends. If only a few samples for personal use or replacement, I am afraid it’ll be difficult for us to provide because all of our motors are custom made and no stock available if there is no further needs. If just sample testing before the official order and our MOQ, price and other terms are acceptable,we’d love to provide samples.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Household Appliances, Car |
|---|---|
| Function: | Control, Driving |
| Casing Protection: | Closed Type |
| Number of Poles: | 8 |
| Structure and Working Principle: | Brushless |
| Certification: | CE |
| Customization: |
Available
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How are servo motors used in CNC machines and other precision machining equipment?
Servo motors play a crucial role in CNC (Computer Numerical Control) machines and other precision machining equipment. They provide precise and dynamic control over the movement of various axes, enabling high-accuracy positioning, rapid speed changes, and smooth motion profiles. Here’s a detailed explanation of how servo motors are used in CNC machines and precision machining equipment:
1. Axis Control:
CNC machines typically have multiple axes, such as X, Y, and Z for linear movements, as well as rotary axes for rotational movements. Servo motors are employed to drive each axis, converting electrical signals from the CNC controller into mechanical motion. The position, velocity, and acceleration of the servo motors are precisely controlled to achieve accurate and repeatable positioning of the machine’s tool or workpiece.
2. Feedback and Closed-Loop Control:
Servo motors in CNC machines are equipped with feedback devices, such as encoders or resolvers, to provide real-time information about the motor’s actual position. This feedback is used in a closed-loop control system, where the CNC controller continuously compares the desired position with the actual position and adjusts the motor’s control signals accordingly. This closed-loop control ensures accurate positioning and compensates for any errors, such as mechanical backlash or load variations.
3. Rapid and Precise Speed Changes:
Servo motors offer excellent dynamic response, allowing CNC machines to achieve rapid and precise speed changes during machining operations. By adjusting the control signals to the servo motors, the CNC controller can smoothly accelerate or decelerate the machine’s axes, resulting in efficient machining processes and reduced cycle times.
4. Contouring and Path Tracing:
CNC machines often perform complex machining tasks, such as contouring or following intricate paths. Servo motors enable precise path tracing by accurately controlling the position and velocity of the machine’s tool along the programmed path. This capability is crucial for producing intricate shapes, smooth curves, and intricate details with high precision.
5. Spindle Control:
In addition to axis control, servo motors are also used to control the spindle in CNC machines. The spindle motor, typically a servo motor, rotates the cutting tool or workpiece at the desired speed. Servo control ensures precise speed and torque control, allowing for optimal cutting conditions and surface finish quality.
6. Tool Changers and Automatic Tool Compensation:
CNC machines often feature automatic tool changers to switch between different cutting tools during machining operations. Servo motors are utilized to precisely position the tool changer mechanism, enabling quick and accurate tool changes. Additionally, servo motors can be used for automatic tool compensation, adjusting the tool’s position or orientation to compensate for wear, tool length variations, or tool offsets.
7. Synchronized Motion and Multi-Axis Coordination:
Servo motors enable synchronized motion and coordination between multiple axes in CNC machines. By precisely controlling the servo motors on different axes, complex machining operations involving simultaneous movements can be achieved. This capability is vital for tasks such as 3D contouring, thread cutting, and multi-axis machining.
In summary, servo motors are integral components of CNC machines and precision machining equipment. They provide accurate and dynamic control over the machine’s axes, enabling high-precision positioning, rapid speed changes, contouring, spindle control, tool changers, and multi-axis coordination. The combination of servo motor technology and CNC control systems allows for precise, efficient, and versatile machining operations in various industries.
What is the significance of closed-loop control in servo motor operation?
Closed-loop control plays a significant role in the operation of servo motors. It involves continuously monitoring and adjusting the motor’s behavior based on feedback from sensors. The significance of closed-loop control in servo motor operation can be understood through the following points:
1. Accuracy and Precision:
Closed-loop control allows servo motors to achieve high levels of accuracy and precision in positioning and motion control. The feedback sensors, such as encoders or resolvers, provide real-time information about the motor’s actual position. This feedback is compared with the desired position, and any deviations are used to adjust the motor’s behavior. By continuously correcting for errors, closed-loop control ensures that the motor accurately reaches and maintains the desired position, resulting in precise control over the motor’s movements.
2. Stability and Repeatability:
Closed-loop control enhances the stability and repeatability of servo motor operation. The feedback information enables the control system to make continuous adjustments to the motor’s inputs, such as voltage or current, in order to minimize position errors. This corrective action helps stabilize the motor’s behavior, reducing oscillations and overshoot. As a result, the motor’s movements become more consistent and repeatable, which is crucial in applications where the same motion needs to be replicated accurately multiple times.
3. Compensation for Disturbances:
One of the key advantages of closed-loop control is its ability to compensate for disturbances or variations that may occur during motor operation. External factors, such as friction, load changes, or variations in the operating environment, can affect the motor’s performance and position accuracy. By continuously monitoring the actual position, closed-loop control can detect and respond to these disturbances, making the necessary adjustments to maintain the desired position. This compensation capability ensures that the motor remains on track despite external influences, leading to more reliable and consistent operation.
4. Improved Response Time:
Closed-loop control significantly improves the response time of servo motors. The feedback sensors provide real-time information about the motor’s actual position, which allows the control system to quickly detect any deviations from the desired position. Based on this feedback, the control system can adjust the motor’s inputs promptly, allowing for rapid corrections and precise control over the motor’s movements. The fast response time of closed-loop control is crucial in applications where dynamic and agile motion control is required, such as robotics or high-speed automation processes.
5. Adaptability to Changing Conditions:
Servo motors with closed-loop control are adaptable to changing conditions. The feedback information allows the control system to dynamically adjust the motor’s behavior based on real-time changes in the operating environment or task requirements. For example, if the load on the motor changes, the control system can respond by adjusting the motor’s inputs to maintain the desired position and compensate for the new load conditions. This adaptability ensures that the motor can perform optimally under varying conditions, enhancing its versatility and applicability in different industrial settings.
In summary, closed-loop control is of significant importance in servo motor operation. It enables servo motors to achieve high levels of accuracy, stability, and repeatability in position and motion control. By continuously monitoring the motor’s actual position and making adjustments based on feedback, closed-loop control compensates for disturbances, enhances response time, and adapts to changing conditions. These capabilities make closed-loop control essential for achieving precise and reliable operation of servo motors in various industrial applications.
In which industries are servo motors commonly used, and what applications do they serve?
Servo motors are widely used across various industries due to their precise control capabilities and ability to deliver high torque at different speeds. Here are some industries where servo motors are commonly employed, along with their applications:
1. Robotics:
Servo motors are extensively used in robotics to control the movement of robotic limbs and joints. They enable precise positioning and accurate control, allowing robots to perform tasks with high accuracy and repeatability. Servo motors are also employed in humanoid robots, industrial manipulators, and collaborative robots (cobots).
2. Manufacturing and Automation:
In manufacturing and automation industries, servo motors are used in various applications such as conveyor systems, pick-and-place machines, packaging equipment, and assembly lines. Servo motors provide precise control over the movement of components, ensuring accurate positioning, fast response times, and high throughput.
3. CNC Machining:
Servo motors play a vital role in computer numerical control (CNC) machines, where they control the movement of axes (e.g., X, Y, and Z). These motors enable precise and smooth motion, allowing CNC machines to accurately shape and cut materials such as metal, wood, and plastics. Servo motors are also used in CNC routers, milling machines, lathes, and laser cutting equipment.
4. Aerospace and Aviation:
Servo motors find applications in the aerospace and aviation industries, particularly in flight control systems. They are used to control the movement of aircraft surfaces, such as ailerons, elevators, rudders, and flaps. Servo motors ensure precise and responsive control, contributing to the stability and maneuverability of aircraft.
5. Medical Devices:
In the medical field, servo motors are used in various devices and equipment. They are employed in robotic surgery systems, prosthetics, exoskeletons, infusion pumps, diagnostic equipment, and laboratory automation. Servo motors enable precise and controlled movements required for surgical procedures, rehabilitation, and diagnostic tests.
6. Automotive:
Servo motors have several applications in the automotive industry. They are used in electric power steering systems, throttle control, braking systems, and active suspension systems. Servo motors provide accurate control over steering, acceleration, and braking, enhancing vehicle safety and performance.
7. Entertainment and Motion Control:
Servo motors are widely used in the entertainment industry for animatronics, special effects, and motion control systems. They enable realistic movements of animatronic characters, robotic props, and camera rigs in film, television, and theme park attractions. Servo motors also find applications in motion simulators, gaming peripherals, and virtual reality systems.
In addition to these industries, servo motors are utilized in various other fields, including industrial automation, renewable energy systems, textile machinery, printing and packaging, and scientific research.
Overall, servo motors are versatile components that find widespread use in industries requiring precise motion control, accurate positioning, and high torque output. Their applications span across robotics, manufacturing, CNC machining, aerospace, medical devices, automotive, entertainment, and numerous other sectors.
editor by CX 2024-05-16
China wholesaler CHINAMFG MD022022-216 12V 24V 22mm Metal Planetary Gearbox 35rpm 15kg. Cm Brushless DC Gear Motor for Medical Device vacuum pump ac
Product Description
CHINAMFG 22MM DC Planetary metal gearbox brushless dc Gear Motor
Product Description
above specifications just for reference and customizable according to requirements.
| motor specifications:22mm brushless motor coreless motor stepper motor | |
| motors (optional) | brushless dc motor,stepper motor,coreless motor |
| voltage(optional) | 3-24v |
| input speed | <=15000rpm |
| current | 300mA max |
| performance Data:22mm Planetary Metal Gearbox brush motor / brushless motor / Stepper Motor / Coreless Motor | |||||||
| Model | Rated Speed | Max Speed | Max Rated Torque | Max Instant Torque | Reduction Ratio | Gearbox Length | Overall Length |
| rpm | rpm | gf.cm | gf.cm | mm | mm | ||
| MD571571-4 | 1875 | 7500 | 15000 | 36000 | 4 | 19.1 | 57.5 |
| MD571571-6 | 1250 | 5000 | 15000 | 36000 | 6 | 19.1 | 57.5 |
| MD571571-16 | 469 | 1875 | 15000 | 36000 | 16 | 26.4 | 64.8 |
| MD571571-24 | 313 | 1250 | 15000 | 36000 | 24 | 26.4 | 64.8 |
| MD571571-36 | 208 | 833 | 15000 | 36000 | 36 | 26.4 | 64.8 |
| MD571571-64 | 117 | 469 | 15000 | 36000 | 64 | 33.7 | 72.1 |
| MD571571-96 | 78 | 313 | 15000 | 36000 | 96 | 33.7 | 72.1 |
| MD571571-144 | 52 | 208 | 15000 | 36000 | 144 | 33.7 | 72.1 |
| MD571571-216 | 35 | 139 | 15000 | 36000 | 216 | 33.7 | 72.1 |
| MD571571-256 | 29 | 117 | 15000 | 36000 | 256 | 41 | 79.4 |
| MD571571-384 | 20 | 78 | 15000 | 36000 | 384 | 41 | 79.4 |
| MD571571-576 | 13 | 52 | 15000 | 36000 | 576 | 41 | 79.4 |
| MD571571-864 | 9 | 35 | 15000 | 36000 | 864 | 41 | 79.4 |
| MD571571-1296 | 6 | 23 | 15000 | 36000 | 1296 | 41 | 79.4 |
| * The above specifications are subject to change without prior notice. They are for reference only and can be customized as required. | |||||||
Please let us know your requirements and we will provide you with micro transmission solutions.
Product details show:
Application
| Smart wearable devices | watch,VR,AR,XR and etc. |
| Household application | kitchen appliances, sewing machines, corn popper, vacuum cleaner, garden tool, sanitary ware, window curtain, intelligent closestool, sweeping robot, power seat, standing desk, electric sofa, TV, computer, treadmill, spyhole, cooker hood, electric drawer, electric mosquito net, intelligent cupboard, intelligent wardrobe, automatic soap dispenser, UV baby bottle sterilizer, lifting hot pot cookware, dishwasher, washing machine, food breaking machine, dryer, air conditioning, dustbin, coffee machine, whisk,smart lock,bread maker,Window cleaning robot and etc. |
| communication equipment | 5G base station,video conference,mobile phone and etc. |
| Office automation equipments | scanners, printers, multifunction machines copy machines, fax (FAX paper cutter), computer peripheral, bank machine, screen, lifting socket, display,notebook PC and etc. |
| Automotive products | conditioning damper actuator, car DVD,door lock actuator, retractable rearview mirror, meters, optic axis control device, head light beam level adjuster, car water pump, car antenna, lumbar support, EPB, car tail gate electric putter, HUD, head-up display, vehicle sunroof, EPS, AGS, car window, head restraint, E-booster, car seat, vehicle charging station and etc. |
| Toys and models | radio control model, automatic cruise control, ride-on toy, educational robot, programming robot, medical robot, automatic feeder, intelligent building blocks, escort robot and etc. |
| Medical equipments | blood pressure meter, breath machine, medical cleaning pump, medical bed, blood pressure monitors, medical ventilator, surgical staplers, infusion pump, dental instrument, self-clotting cutter, wound cleaning pump for orthopedic surgery,electronic cigarette, eyebrow pencil,fascia gun, , surgical robot,laboratory automation and etc. |
| Industrials | flow control valves, seismic testing,automatic reclosing,Agricultural unmanned aerial vehicle,automatic feeder ,intelligent express cabinet and etc. |
| Electric power tools | electric drill, screwdriver,garden tool and etc. |
| Precision instruments | optics instruments,automatic vending machine, wire-stripping machine and etc. |
| Personal care | tooth brush, hair clipper, electric shaver, massager, vibrator, hair dryer, rubdown machine, scissor hair machine, foot grinder,anti-myopia pen, facial beauty equipment, hair curler,Electric threading knife,POWER PERFECT PORE, Puff machine,eyebrow tweezers and etc. |
| Consumer electronics | camera, mobile phone,digital camera, automatic retracting device,camcorder, kinescope DVD,headphone stereo, cassette tape recorder, bluetooth earbud charging case, turntable, tablet,UAV(unmanned aerial vehicle),surveillance camera,PTZ camera, rotating smart speaker and etc. |
| robots | educational robot, programming robot, medical robot, escort robot and etc. |
Company Profile
HangZhou CHINAMFG Machinery & Electronics Co., Ltd was established in 2001,We provide the total drive solution for customers from design, tooling fabrication, components manufacturing and assembly.
Workshop
Testing Equipment
1) Competitive Advantages
- 1) Competitive Advantages
19+year experience in manufacturing motor gearbox
We provide technical support from r&d, prototype, testing, assembly and serial production , ODM &OEM
Competitive Price
Product Performance: Low noise, High efficiency, Long lifespan
Prompt Delivery: 15 working days after payment
Small Orders Accepted
2) Main Products
-
Precision reduction gearbox and its diameter:3.4mm-38mm,voltage:1.5-24V,power: 0.01-40W,output speed:5-2000rpm and output torque:1.0 gf.cm -50kgf.cm,
- Customized worm and gear transmission machinery;
- Precise electromechanical motion module;
- Precise component and assembly of plastic and metal powder injection.
Our Services
- ODM & OEM
- Gearbox design and development
- Related technology support
- Micro drive gearbox custom solution
Packaging & Shipping
1) Packing Details
packed in nylon firstly, then carton, and then reinforced with wooden case for outer packing.
Or according to client’s requirement.
2) Shipping Details
samples will be shipped within 10 days;
batch order leading time according to the actual situation.
Certifications
Certifications
We Have passed to hold ISO9001:2015(CN11/3571),ISO14001:2004(U006616E0153R3M), ISO13485:2016(CN18/42018) and IATF16949:2016(CN11/3571.01).
and more…
FAQ
FAQ
1. Can you make the gearbox with custom specifications?
YES. We have design and development team, also a great term of engineers, each of them have
many work years experience.
2.Do you provide the samples?
YES. Our company can provide the samples to you, and the delivery time is about 5-15days according to the specification of gearbox you need.
3.What is your MOQ?
Our MOQ is 2000pcs. But at the beginning of our business, we accept small order.
4. Do you have the item in stock?
I am sorry we donot have the item in stock, All products are made with orders.
5. Do you provide technology support?
YES. Our company have design and development team, we can provide technology support if you
need.
6.How to ship to us?
We will ship the goods to you according to the DHL or UPS or FEDEX etc account you provide.
7.How to pay the money?
We accept T/T in advance. Also we have different bank account for receiving money, like US dollors or RMB etc.
8. How can I know the product is suitable for me?
Frist, you need to provide us the more details information about the product. We will recommend the item to you according to your requirement of specification. After you confirm, we will prepare the samples to you. also we will offer some good advances according to your product use.
9. Can I come to your company to visit?
YES, you can come to our company to visit at anytime, and welcome to visit our company.
10. How do contact us ?
Please send an inquiry
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Universal, Industrial, Household Appliances, Car, Power Tools |
|---|---|
| Operating Speed: | High Speed |
| Excitation Mode: | Permanent Magnet |
| Function: | Control, Driving |
| Casing Protection: | Drip-Proof |
| Number of Poles: | 4 |
| Customization: |
Available
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How do brushless motors compare to brushed motors in terms of lifespan and reliability?
When comparing brushless motors to brushed motors, there are notable differences in terms of lifespan and reliability. Here’s a detailed explanation of how brushless motors compare to brushed motors in these aspects:
1. Lifespan:
Brushed motors typically have a shorter lifespan compared to brushless motors. This is primarily due to the mechanical wear and tear associated with brushed motors. In brushed motors, the brushes and commutator make physical contact, causing friction, heat generation, and eventual wear. Over time, the brushes wear down and the commutator may become worn or damaged, leading to degraded motor performance and eventual failure. On the other hand, brushless motors do not have brushes or commutators, eliminating the mechanical wear components. As a result, brushless motors generally have a longer lifespan and can operate for thousands of hours with minimal maintenance.
2. Reliability:
Brushless motors are generally considered more reliable than brushed motors. The absence of brushes and commutators in brushless motors reduces the risk of failure due to mechanical wear and associated issues like brush sparking and arcing. The elimination of these moving parts also leads to reduced friction, less heat generation, and lower chances of electrical or mechanical failures. Additionally, brushless motors often benefit from advanced control systems that can monitor and protect against various operating conditions, enhancing their overall reliability.
3. Operating Conditions:
Brushless motors are better suited for demanding operating conditions compared to brushed motors. The absence of brushes and commutators in brushless motors means there are no physical contacts that can generate sparks or cause electrical arcing. This makes brushless motors more suitable for applications where sparks or electrical noise can be problematic, such as in explosive or sensitive electronic environments. Furthermore, brushless motors can operate at higher speeds and handle higher torque loads than brushed motors, making them more versatile in a wide range of applications.
4. Maintenance:
Brushless motors generally require less maintenance compared to brushed motors. Brushed motors often require periodic maintenance to replace worn-out brushes and address commutator issues. Additionally, the presence of brushes can lead to carbon dust buildup, requiring regular cleaning and maintenance. In contrast, brushless motors have no brushes or commutators to replace or clean, significantly reducing the maintenance requirements. However, it’s important to note that brushless motors may still require periodic inspections, especially for cooling systems or bearings, to ensure optimal performance and reliability.
5. Efficiency:
Brushless motors are typically more efficient than brushed motors. The absence of brushes and commutators in brushless motors reduces energy losses associated with friction and electrical resistance. This improved efficiency results in several benefits, such as reduced power consumption, longer battery life (in battery-powered applications), and less heat generation. Brushless motors are known for their high power-to-weight ratio and can deliver higher torque output per unit of input power compared to brushed motors.
In summary, brushless motors generally offer a longer lifespan and higher reliability compared to brushed motors. The absence of brushes and commutators reduces mechanical wear and associated failures, making brushless motors more durable. They are better suited for demanding operating conditions, require less maintenance, and offer improved efficiency. These factors have made brushless motors increasingly popular in various applications, including robotics, electric vehicles, industrial automation, and aerospace, where reliability and longevity are essential.
Are there specific applications where brushless motors are more suitable than others?
Yes, there are specific applications where brushless motors are more suitable than others. The unique characteristics and advantages of brushless motors make them well-suited for certain types of applications. Here are some examples:
1. Electric Vehicles (EVs) and Hybrid Electric Vehicles (HEVs):
Brushless motors are highly suitable for EVs and HEVs due to their high efficiency, precise control, and fast acceleration capabilities. They are commonly used in electric drivetrains to provide propulsion and drive the wheels. Brushless motors contribute to the overall energy efficiency of electric vehicles and help maximize the range and performance.
2. Robotics and Automation:
Brushless motors are extensively employed in robotics and automation systems. They offer high torque, precise position control, and rapid acceleration, making them ideal for robotic arms, joints, and grippers. Brushless motors enable accurate and controlled movements, contributing to the efficiency and productivity of industrial and collaborative robots.
3. Aerospace and Aviation:
Brushless motors find applications in the aerospace and aviation sectors. They are used in aircraft systems such as flight control surfaces, landing gear actuation, fuel pumps, and environmental control systems. Brushless motors provide reliable and precise motion control in critical aerospace applications, contributing to the safety and efficiency of aircraft operations.
4. Medical and Healthcare:
In the medical and healthcare sector, brushless motors are employed in various medical devices and equipment. They are used in surgical tools, prosthetics, medical pumps, laboratory equipment, imaging systems, and more. Brushless motors offer quiet operation, precise control, and compact size, making them suitable for applications where accuracy, reliability, and patient comfort are critical.
5. Industrial Machinery and Equipment:
Brushless motors play a crucial role in various industrial machinery and equipment. They are used in machine tools, conveyors, pumps, compressors, and other industrial automation applications. Brushless motors provide reliable and efficient motion control, contributing to the productivity and performance of industrial processes.
6. Consumer Electronics:
Brushless motors are found in numerous consumer electronic devices. They power computer cooling fans, hard disk drives, drones, camera gimbals, electric toothbrushes, and other portable devices. Brushless motors in consumer electronics provide efficient and reliable operation while minimizing noise and vibration. Their small size, lightweight, and high-speed capabilities contribute to the design and functionality of modern consumer electronic products.
These are just a few examples of applications where brushless motors are more suitable than others. However, it’s important to note that brushless motors have a wide range of applications and can be utilized in various industries and systems where efficient and precise motion control is required. The specific requirements of an application, such as power, speed, torque, size, and control, will determine the suitability of brushless motors.
How do brushless motors contribute to energy efficiency compared to brushed motors?
Brushless motors offer several key advantages over brushed motors when it comes to energy efficiency. Here’s how brushless motors contribute to energy efficiency compared to brushed motors:
1. Elimination of Brush Friction:
In brushed motors, the brushes make physical contact with the commutator, resulting in friction and wear. This friction causes energy losses in the form of heat. Brushless motors, on the other hand, do not use brushes or commutators. The absence of brush friction significantly reduces energy losses, resulting in improved energy efficiency. The elimination of brush friction allows brushless motors to operate at higher efficiencies and reduces the amount of wasted energy dissipated as heat.
2. Reduced Electrical Resistance:
Brushed motors rely on the brushes and commutator to transfer electrical current to the rotor windings. However, these components introduce electrical resistance, leading to energy losses in the form of voltage drops and heat generation. In brushless motors, electrical current is transferred to the stator windings through electronic commutation, which eliminates the resistance caused by brushes and commutators. The reduced electrical resistance in brushless motors results in higher energy efficiency and minimizes power losses.
3. Improved Power Conversion:
Brushless motors employ electronic commutation, allowing for more precise control of the current flow in the stator windings. This precise control enables optimized power conversion, ensuring that the electrical energy supplied to the motor is efficiently converted into mechanical power. Brushed motors, on the other hand, rely on mechanical commutation, which is less efficient and leads to power losses in the form of sparks and arcing. The improved power conversion in brushless motors contributes to their higher energy efficiency.
4. Regenerative Braking:
Brushless motors have the capability of regenerative braking, which further enhances their energy efficiency. During braking or deceleration, the motor can act as a generator, converting the kinetic energy of the moving load back into electrical energy. This regenerated energy can be fed back into the power source or stored in batteries or capacitors for later use. Regenerative braking reduces energy wastage and improves overall system efficiency by recovering and reusing energy that would otherwise be dissipated as heat in traditional braking systems.
5. Optimal Sizing and Control:
Brushless motors can be designed and controlled to match the specific requirements of the application, resulting in optimal sizing and operation. By selecting the appropriate motor size, torque rating, and control parameters, the motor can operate at its most efficient operating point. This tailored approach ensures that the motor operates with minimal energy losses and maximizes its energy efficiency. In contrast, brushed motors may be oversized or underutilized for certain applications, leading to less efficient operation and higher energy consumption.
Overall, brushless motors offer higher energy efficiency compared to brushed motors due to the elimination of brush friction, reduced electrical resistance, improved power conversion, regenerative braking capabilities, and the ability to optimize motor sizing and control. These energy-saving features make brushless motors a preferred choice in various applications, particularly those that prioritize energy efficiency, such as electric vehicles, renewable energy systems, and battery-powered devices.
editor by CX 2024-05-16
China supplier 6W~660W, 24V Small Electric DC Brushless Gear Motor with Best Sales
Product Description
6W~400W DC/BLDC Motor, Gear Motor
Introduction
We have both DC gear motor and Brushless dc gear motor, including 6 kinds of products. The watt is from 6W to 660W, voltage is from 6V to 220V. The feature of our motors are steady work, low rpm and high torque, low noise, high efficiency and long life.
Specification
The datasheet is 200W bldc Motor’s info as reference.
Motor Voltage 6V to 220V, Power 6W to 660W (DC/BLDC) is also can be provided.
| Model | Voltage V |
Rated Power W |
No-load Parameters | Load Parameters | Motor Life H |
Motor Weight kg |
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| Speed RPM |
Current A |
Speed RPM |
Torque N.m |
Current A |
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| GS5BLD200-24 | 24 | 200 | 3500 | MAX0.80 | 3000 | 0.64 | 10.5 | >5000 | 1.6 |
| GS5BLD200-36 | 36 | 200 | 3400 | MAX0.65 | 3000 | 0.64 | 7.0 | >5000 | 1.6 |
| GS5BLD200-48 | 48 | 200 | 3300 | MAX0.45 | 3000 | 0.64 | 5.2 | >5000 | 1.6 |
Note:
The Voltage, Power and Speed can be customized according to your request under the allowed circumstance of adoptable dimension.
View Of Item
About CHINAMFG Mechanical
- History: Greensky Mechanical was founded in 2012 with purchasing of a 15 year old cooperative factory in ZHangZhoug Province. CHINAMFG Power brought new management concept to the new joint company and increase the quality of the motors as CHINAMFG Power only provides best quality and best service to the society.
- Introduce: Greensky Mechanical Co., ltd is a subsidiary company of CHINAMFG Power which is producing micro AC and DC gear motor, small AC gear motor, precision planetary gearbox for servo motor, and it has capability to design and develop the micro motor, customized motor and precision gearbox, motor controller with high quality.
- Philosophy:We save cost by increasing the efficiency of production and delivery. “Once and forever” is our goal to serve customers in the world. Once we do business with customer, we will do business forever.
Greensky’s Advantage
On the site you can find a range of renewable products including AC/DC motor,AC Induction Motor,Reversible Motor,Blake Motor,Speed motor,AC Angel Motor,Gear Motor,Planetary Gear Box,Worm Gear Box and their relevant components.
If you have any other questions, please feel free to contact us. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Universal, Industrial, Household Appliances, Car, Power Tools |
|---|---|
| Operating Speed: | Low Speed |
| Excitation Mode: | Excited |
| Function: | Driving |
| Casing Protection: | Protection Type |
| Number of Poles: | 4 |
| Customization: |
Available
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How do electric motors contribute to the efficiency of tasks like transportation?
Electric motors play a significant role in enhancing the efficiency of various transportation tasks. Their unique characteristics and advantages contribute to improved performance, reduced energy consumption, and environmental benefits. Here’s a detailed explanation of how electric motors contribute to the efficiency of tasks like transportation:
- High Energy Conversion Efficiency: Electric motors are known for their high energy conversion efficiency. They can convert a large percentage of electrical energy supplied to them into mechanical energy, resulting in minimal energy losses. Compared to internal combustion engines (ICEs), electric motors can achieve significantly higher efficiencies, which translates to improved energy utilization and reduced fuel consumption.
- Instant Torque and Responsive Performance: Electric motors deliver instant torque, providing quick acceleration and responsive performance. This characteristic is particularly advantageous in transportation tasks, such as electric vehicles (EVs) and electric trains, where rapid acceleration and deceleration are required. The immediate response of electric motors enhances overall vehicle efficiency and driver experience.
- Regenerative Braking: Electric motors enable regenerative braking, a process where the motor acts as a generator to convert kinetic energy into electrical energy during deceleration or braking. This recovered energy is then stored in batteries or fed back into the power grid, reducing energy waste and extending the vehicle’s range. Regenerative braking improves overall efficiency and helps maximize the energy efficiency of electric vehicles.
- Efficient Power Distribution: Electric motors in transportation systems can be powered by electricity generated from various sources, including renewable energy. This allows for a diversified and cleaner energy mix, contributing to reduced greenhouse gas emissions and environmental impact. By utilizing electric motors, transportation tasks can leverage the increasing availability of renewable energy resources, leading to a more sustainable and efficient transport ecosystem.
- Reduced Maintenance Requirements: Electric motors have fewer moving parts compared to ICEs, resulting in reduced maintenance requirements. They eliminate the need for components like spark plugs, fuel injection systems, and complex exhaust systems. As a result, electric motors typically have longer service intervals, lower maintenance costs, and reduced downtime. This enhances operational efficiency and reduces the overall maintenance burden in transportation applications.
- Quiet and Vibration-Free Operation: Electric motors operate quietly and produce minimal vibrations compared to ICEs. This characteristic contributes to a more comfortable and pleasant passenger experience, especially in electric vehicles and electric trains. The reduced noise and vibration levels enhance the overall efficiency and comfort of transportation tasks while minimizing noise pollution in urban environments.
- Efficient Power Management and Control: Electric motors can be integrated with advanced power management and control systems. This allows for precise control over motor speed, torque, and power output, optimizing efficiency for specific transportation tasks. Intelligent control algorithms and energy management systems can further enhance the efficiency of electric motors by dynamically adjusting power delivery based on demand, driving conditions, and energy availability.
- Reduction of Emissions and Environmental Impact: Electric motors contribute to significant reductions in emissions and environmental impact compared to traditional combustion engines. By eliminating direct emissions at the point of use, electric motors help improve air quality and reduce greenhouse gas emissions. When powered by renewable energy sources, electric motors enable nearly zero-emission transportation, paving the way for a cleaner and more sustainable transportation sector.
Through their high energy conversion efficiency, instant torque, regenerative braking, efficient power distribution, reduced maintenance requirements, quiet operation, efficient power management, and environmental benefits, electric motors significantly enhance the efficiency of tasks like transportation. The widespread adoption of electric motors in transportation systems has the potential to revolutionize the industry, promoting energy efficiency, reducing reliance on fossil fuels, and mitigating environmental impact.
What safety precautions should be followed when working with electric motors?
Working with electric motors requires adherence to specific safety precautions to ensure the well-being of individuals and prevent accidents. Electric motors involve electrical hazards that can cause electric shock, burns, or other injuries if proper safety measures are not followed. Here’s a detailed explanation of the safety precautions that should be followed when working with electric motors:
- Qualified Personnel: It is important to assign work on electric motors to qualified personnel who have the necessary knowledge, training, and experience in electrical systems and motor operation. Qualified electricians or technicians should handle installation, maintenance, and repairs involving electric motors.
- De-Energization and Lockout/Tagout: Before performing any work on electric motors, they should be de-energized, and appropriate lockout/tagout procedures should be followed. This involves isolating the motor from the power source, ensuring that it cannot be energized accidentally. Lockout/tagout procedures help prevent unexpected startup and protect workers from electrical hazards.
- Personal Protective Equipment (PPE): When working with electric motors, appropriate personal protective equipment should be worn. This may include insulated gloves, safety glasses, protective clothing, and footwear with electrical insulation. PPE helps protect against potential electrical shocks, burns, and other physical hazards.
- Inspection and Maintenance: Regular inspection and maintenance of electric motors are essential to identify potential issues or defects that could compromise safety. This includes checking for loose connections, damaged insulation, worn-out components, or overheating. Any defects or abnormalities should be addressed promptly by qualified personnel.
- Proper Grounding: Electric motors should be properly grounded to prevent electrical shock hazards. Grounding ensures that any fault currents are redirected safely to the ground, reducing the risk of electric shock to individuals working on or around the motor.
- Avoiding Wet Conditions: Electric motors should not be operated or worked on in wet or damp conditions unless they are specifically designed for such environments. Water or moisture increases the risk of electrical shock. If working in wet conditions is necessary, appropriate safety measures and equipment, such as waterproof PPE, should be used.
- Safe Electrical Connections: When connecting or disconnecting electric motors, proper electrical connections should be made. This includes ensuring that power is completely switched off, using appropriate tools and techniques for making connections, and tightening electrical terminals securely. Loose or faulty connections can lead to electrical hazards, overheating, or equipment failure.
- Awareness of Capacitors: Some electric motors contain capacitors that store electrical energy even when the motor is de-energized. These capacitors can discharge unexpectedly and cause electric shock. Therefore, it is important to discharge capacitors safely before working on the motor and to be cautious of potential residual energy even after de-energization.
- Training and Knowledge: Individuals working with electric motors should receive proper training and have a good understanding of electrical safety practices and procedures. They should be knowledgeable about the potential hazards associated with electric motors and know how to respond to emergencies, such as electrical shocks or fires.
- Adherence to Regulations and Standards: Safety precautions should align with relevant regulations, codes, and standards specific to electrical work and motor operation. These may include local electrical codes, occupational safety guidelines, and industry-specific standards. Compliance with these regulations helps ensure a safe working environment.
It is crucial to prioritize safety when working with electric motors. Following these safety precautions, along with any additional guidelines provided by equipment manufacturers or local regulations, helps minimize the risk of electrical accidents, injuries, and property damage. Regular training, awareness, and a safety-focused mindset contribute to a safer working environment when dealing with electric motors.
How do electric motors handle variations in load, speed, and torque?
Electric motors are designed to handle variations in load, speed, and torque through various control mechanisms and techniques. Here’s a detailed explanation of how electric motors handle these variations:
- Load Variations: Electric motors can handle variations in load by adjusting the amount of torque they produce. When the load on the motor increases, such as when additional resistance or weight is applied, the motor responds by increasing the torque output. This is achieved through the control of the motor’s input current or voltage. For example, in DC motors, increasing the current supplied to the motor can compensate for the increased load, ensuring that the motor can continue to operate at the desired speed.
- Speed Variations: Electric motors can handle variations in speed by adjusting the frequency of the power supply or by varying the voltage applied to the motor. In AC motors, the speed is determined by the frequency of the alternating current, so changing the frequency can alter the motor’s speed. In DC motors, the speed can be controlled by adjusting the voltage applied to the motor. This can be achieved using electronic speed controllers (ESCs) or by employing pulse width modulation (PWM) techniques to control the average voltage supplied to the motor.
- Torque Variations: Electric motors can handle variations in torque by adjusting the current flowing through the motor windings. The torque produced by a motor is directly proportional to the current flowing through the motor. By increasing or decreasing the current, the motor can adjust its torque output to match the requirements of the load. This can be accomplished through various control methods, such as using motor drives or controllers that regulate the current supplied to the motor based on the desired torque.
- Control Systems: Electric motors often incorporate control systems to handle variations in load, speed, and torque more precisely. These control systems can include feedback mechanisms, such as encoders or sensors, which provide information about the motor’s actual speed or position. The feedback signals are compared to the desired speed or position, and the control system adjusts the motor’s input parameters accordingly to maintain the desired performance. This closed-loop control allows electric motors to respond dynamically to changes in load, speed, and torque.
In summary, electric motors handle variations in load, speed, and torque through various control mechanisms. By adjusting the current, voltage, or frequency of the power supply, electric motors can accommodate changes in load and speed requirements. Additionally, control systems with feedback mechanisms enable precise regulation of motor performance, allowing the motor to respond dynamically to variations in load, speed, and torque. These control techniques ensure that electric motors can operate effectively across a range of operating conditions and adapt to the changing demands of the application.
editor by CX 2024-05-16
China manufacturer 24V Linear Actuator DC Motor with Remote Control Units for Electric Chair Sofa supplier
Product Description
ORGM DC electric micro motor 12/24v linear actuator
GM7S linear actuator Factory Customization can be applied to electric adjustable beds, electric sofas
and massage chairs,for smart home.smart furniture,tv lift.etc.
| Product name | GM7S | |||||
| Input Voltage(VDC) | 12V/24V | |||||
| Load capacity(N) | 6000N | 5000N | 3000N | 2000N | 1000N | 500N |
| Max speed(mm/s) | 5 | 7 | 10 | 11 | 17 | 32 |
| Stroke length (mm) | ≥15mm (option>400) | |||||
| Retracted length (mounting length ) |
Stroke +168mm (S<400) | |||||
| Limit Switches | Built-in Limit Switch or High Precision Hall Sensor | |||||
| Duty cycle | 10% , max 2 min. continuous use | |||||
| Operation Temperature | -10ºC~40ºC | |||||
| Color | Black or gray | |||||
| Option Function | Hall sensor / Reed switch /Only push | |||||
| Standard | CE/ISO | |||||
about us
ORGM was established in 2571, located in HangZhou City, ZheJiang Province, China. is a company specializing in the R & D design,production, sales of high-quality linear actuator and telescopic pillar. Our products include 4 broad categories, such as Linear Actuator, lifting post, controller and power adapter. The products are widely used in medical equipment, instrument, office furniture, electric heating stove, home decoration, fitness equipment, artificial intelligence,etc.Automatic controller and electrical equipment, etc.
If you want to got more detail for this product
please contact us freely.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Certification: | CCC, ISO, CE |
|---|---|
| Limit Switch: | Built-in |
| Voltage: | 12V/24V |
| Standard Stroke: | 400 |
| Max Thrust: | 6000N |
| Duty Cycle: | 10%, Max 2 Min. Continuous Use |
| Samples: |
US$ 30/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
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What is a DC motor, and how does it differ from other types of electric motors?
A DC (Direct Current) motor is an electric motor that converts electrical energy into mechanical motion. It operates based on the principle of electromagnetic induction and the interaction between current-carrying conductors and magnetic fields. DC motors are widely used in various applications due to their simplicity, controllability, and versatility. Here’s a detailed explanation of what a DC motor is and how it differs from other types of electric motors:
1. Basic Operation:
In a DC motor, electrical energy is supplied to the motor’s armature through a DC power source, typically a battery or a rectified power supply. The armature consists of multiple coils or windings that are evenly spaced around the motor’s rotor. The rotor is a cylindrical core with a shaft that rotates when the motor is energized. When current flows through the armature windings, it creates a magnetic field that interacts with the fixed magnetic field produced by the motor’s stator. This interaction generates a torque, causing the rotor to rotate.
2. Commutation:
DC motors employ a commutator and brushes for the conversion of electrical energy and the rotation of the rotor. The commutator consists of a segmented cylindrical ring attached to the rotor shaft, and the brushes are stationary conductive contacts that make contact with the commutator segments. As the rotor spins, the brushes maintain contact with the commutator segments, periodically reversing the direction of the current flow in the armature windings. This reversal of current flow in the armature windings ensures continuous rotation of the rotor in the same direction.
3. Types of DC Motors:
DC motors can be classified into different types based on their construction and the method of field excitation. The two main types are:
- Brushed DC Motors: Brushed DC motors have a mechanical commutator and brushes to switch the current direction in the armature windings. These motors are relatively simple, cost-effective, and offer good torque characteristics. However, the commutator and brushes require regular maintenance and can generate electrical noise and brush wear debris.
- Brushless DC Motors (BLDC): Brushless DC motors, also known as electronically commutated motors (ECMs), use electronic circuits and sensors to control the current flow in the motor windings. They eliminate the need for brushes and commutators, resulting in reduced maintenance and improved reliability. BLDC motors offer higher efficiency, smoother operation, and better speed control compared to brushed DC motors.
4. Speed Control:
DC motors provide excellent speed control capabilities. By adjusting the voltage applied to the motor, the speed of the DC motor can be regulated. Lowering the voltage reduces the motor’s speed, while increasing the voltage increases the speed. This feature makes DC motors suitable for applications that require precise speed control, such as robotics, conveyor systems, and electric vehicles.
5. Advantages and Disadvantages:
DC motors have several advantages, including:
- Simple construction and easy maintenance (for brushed DC motors).
- High starting torque.
- Precise speed control.
- Good controllability over a wide range of loads.
However, DC motors also have some limitations, such as:
- Brushed DC motors require periodic maintenance and have limited brush life.
- Brushed DC motors can generate electrical noise.
- Brushless DC motors are often more expensive compared to brushed DC motors.
6. Differences from Other Electric Motors:
DC motors differ from other types of electric motors, such as AC (Alternating Current) motors, in several ways:
- Power Source: DC motors require a DC power source, while AC motors operate from an AC power supply.
- Speed Control: DC motors offer precise speed control by adjusting the applied voltage, whereas AC motors typically rely on frequency control for speed regulation.
- Construction: DC motors use a commutator and brushes (in brushed DC motors) or electronic commutation (in brushless DC motors), while AC motors do not require commutation.
- Starting Torque: DC motors typically provide higher starting torque compared to AC motors.
Overall, DC motors are versatile and widely used in various applications due to their controllability, speed regulation capabilities, and simplicity. The advancements inpower electronics and motor control technologies have further enhanced the performance and efficiency of DC motors, making them a popular choice in many industries.
Can DC motors be used in renewable energy systems, such as wind turbines or solar tracking systems?
Yes, DC (Direct Current) motors can be effectively used in various renewable energy systems, including wind turbines and solar tracking systems. The unique characteristics and advantages of DC motors make them well-suited for these applications. Here’s a detailed explanation of how DC motors can be utilized in renewable energy systems:
1. Wind Turbines:
DC motors can be employed in wind turbines to convert the mechanical energy of the wind into electrical energy. There are two common configurations:
a. Direct Drive Wind Turbines:
In direct drive wind turbines, the rotor of the turbine is directly connected to a DC generator. The rotor’s rotational motion is transmitted directly to the generator, which produces DC electrical power. DC motors can be used as DC generators in this configuration. The advantage of using DC motors/generators is their simplicity, reliability, and ability to operate efficiently at variable speeds, which is beneficial in varying wind conditions.
b. Hybrid Wind Turbines:
Hybrid wind turbines combine both aerodynamic and electrical conversion systems. In this configuration, DC motors can be utilized for the pitch control mechanism and yaw control system. The pitch control mechanism adjusts the angle of the turbine blades to optimize performance, while the yaw control system enables the turbine to align itself with the wind direction. DC motors provide precise control and responsiveness required for these functions.
2. Solar Tracking Systems:
DC motors are commonly employed in solar tracking systems to maximize the efficiency of solar panels by optimizing their orientation towards the sun. There are two main types of solar tracking systems:
a. Single-Axis Solar Tracking Systems:
Single-axis solar tracking systems adjust the inclination of solar panels along a single axis (typically the east-west axis) to track the movement of the sun throughout the day. DC motors can be used to drive the rotation mechanism that adjusts the panel’s tilt angle. By continuously adjusting the panel’s position to face the sun directly, the solar energy harvested can be significantly increased, resulting in higher energy output compared to fixed solar panel installations.
b. Dual-Axis Solar Tracking Systems:
Dual-axis solar tracking systems adjust the inclination of solar panels along both the east-west and north-south axes to track the sun’s movement throughout the day and throughout the year. DC motors are utilized in the rotation mechanisms for both axes. This type of solar tracking system provides the highest possible energy yield by keeping the solar panels perpendicular to the sun’s rays at all times, maximizing the exposure to sunlight.
DC motors are preferred in renewable energy systems due to their advantages, including:
- Efficiency at Variable Speeds: DC motors can operate efficiently at varying speeds, making them suitable for applications with fluctuating wind speeds or changing solar angles.
- Control and Precision: DC motors offer precise control and responsiveness, allowing for accurate tracking and adjustment in wind turbines and solar tracking systems.
- Reliability: DC motors are known for their reliability, with fewer moving parts compared to other motor types, reducing the risk of failure in remote or harsh environments.
- Compatibility with Energy Storage Systems: DC motors can easily be integrated with energy storage systems, such as batteries or supercapacitors, to store excess electrical energy generated by wind turbines or solar panels.
In conclusion, DC motors can be effectively utilized in renewable energy systems such as wind turbines and solar tracking systems. Their efficiency, control capabilities, reliability, and compatibility with energy storage systems make them a suitable choice for these applications, contributing to the advancement of sustainable energy generation.
Are there innovations or emerging technologies in the field of DC motor design?
Yes, there have been several innovations and emerging technologies in the field of DC (Direct Current) motor design. These advancements aim to improve the performance, efficiency, reliability, and overall capabilities of DC motors. Here’s a detailed explanation of some notable innovations and emerging technologies in DC motor design:
1. Brushless DC Motors:
One significant advancement in DC motor design is the development and widespread adoption of brushless DC motors (BLDC motors). Unlike traditional DC motors that use brushes for commutation, BLDC motors employ electronic commutation through the use of permanent magnets and motor controller circuits. This eliminates the need for brushes, reducing maintenance requirements and improving overall motor efficiency and lifespan. BLDC motors offer higher torque density, smoother operation, better speed control, and improved energy efficiency compared to conventional brushed DC motors.
2. High-Efficiency Materials:
The use of high-efficiency materials in DC motor design has been an area of focus for improving motor performance. Advanced magnetic materials, such as neodymium magnets, have allowed for stronger and more compact motor designs. These materials increase the motor’s power density, enabling higher torque output and improved efficiency. Additionally, advancements in materials used for motor windings and core laminations have reduced electrical losses and improved overall motor efficiency.
3. Power Electronics and Motor Controllers:
Advancements in power electronics and motor control technologies have greatly influenced DC motor design. The development of sophisticated motor controllers and efficient power electronic devices enables precise control of motor speed, torque, and direction. These technologies have resulted in more efficient and reliable motor operation, reduced energy consumption, and enhanced motor performance in various applications.
4. Integrated Motor Systems:
Integrated motor systems combine the motor, motor controller, and associated electronics into a single unit. These integrated systems offer compact designs, simplified installation, and improved overall performance. By integrating the motor and controller, issues related to compatibility and communication between separate components are minimized. Integrated motor systems are commonly used in applications such as robotics, electric vehicles, and industrial automation.
5. IoT and Connectivity:
The integration of DC motors with Internet of Things (IoT) technologies and connectivity has opened up new possibilities for monitoring, control, and optimization of motor performance. By incorporating sensors, actuators, and connectivity features, DC motors can be remotely monitored, diagnosed, and controlled. This enables predictive maintenance, energy optimization, and real-time performance adjustments, leading to improved efficiency and reliability in various applications.
6. Advanced Motor Control Algorithms:
Advanced motor control algorithms, such as sensorless control and field-oriented control (FOC), have contributed to improved performance and efficiency of DC motors. Sensorless control techniques eliminate the need for additional sensors by leveraging motor current and voltage measurements to estimate rotor position. FOC algorithms optimize motor control by aligning the magnetic field with the rotor position, resulting in improved torque and efficiency, especially at low speeds.
These innovations and emerging technologies in DC motor design have revolutionized the capabilities and performance of DC motors. Brushless DC motors, high-efficiency materials, advanced motor control techniques, integrated motor systems, IoT connectivity, and advanced control algorithms have collectively contributed to more efficient, reliable, and versatile DC motor solutions across various industries and applications.
editor by CX 2024-05-15
China Good quality ZD Leader 60mm-104mm High Torque Low RPM 6W 15W 25W 30W 40W 60W 90W 120W 150W- 300W 12V 24V 48V 90V 110-220V Brushed Electric DC Gear Motor vacuum pump oil
Product Description
Model Selection
ZD Leader has a wide range of micro motor production lines in the industry, including DC Motor, AC Motor, Brushless Motor, Planetary Gear Motor, Drum Motor, Planetary Gearbox, RV Reducer and Harmonic Gearbox etc. Through technical innovation and customization, we help you create outstanding application systems and provide flexible solutions for various industrial automation situations.
• Model Selection
Our professional sales representive and technical team will choose the right model and transmission solutions for your usage depend on your specific parameters.
• Drawing Request
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Product Parameters
DC Gear Motor
| MOTOR FRAME SIZE | 60 mm / 70mm / 80mm / 90mm / 104mm |
| MOTOR TYPE | Brushed |
| OUTPUT POWER | 10W / 15W / 25W / 40W / 60W / 90W / 120 W / 140W / 180W / 200W / 300W(Can Be Customized) |
| OUTPUT SHAFT | 8mm / 10mm / 12mm / 15mm ; Round Shaft, D-Cut Shaft, Key-Way Shaft (Can Be Customized) |
| Voltage type | 12V,24V,90V,220V |
| Accessories | Electric Brake / Encoder |
| GEARBOX FRAME SIZE | 60 mm / 70mm / 80mm / 90mm / 104mm |
| Gear Ratio | 3K-200K |
| Type Of Pinion | GN Type / GU Type |
| Gearbox Type | Regular Square Case gearbox / Right Angle Gearbox / L Type Gearbox |
Type Of DC Motor
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Company Profile
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Universal, Industrial, Household Appliances, Equipment |
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| Operating Speed: | Constant Speed |
| Excitation Mode: | Excited |
| Function: | Control, Driving |
| Casing Protection: | Closed Type |
| Number of Poles: | 2-6 |
| Customization: |
Available
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How do brake motors handle variations in brake torque and response time?
Brake motors are designed to handle variations in brake torque and response time to ensure reliable and efficient braking performance. These variations can arise due to different operating conditions, load characteristics, or specific application requirements. Here’s a detailed explanation of how brake motors handle variations in brake torque and response time:
- Brake Design and Construction: The design and construction of brake systems in brake motors play a crucial role in handling variations in brake torque and response time. Brake systems typically consist of brake pads or shoes that press against a brake disc or drum to generate frictional forces and provide braking action. The materials used for the brake components, such as brake linings, can be selected or designed to offer a wide range of torque capacities and response characteristics. By choosing the appropriate materials and optimizing the brake system design, brake motors can accommodate variations in torque requirements and response times.
- Brake Control Mechanisms: Brake motors employ different control mechanisms to manage brake torque and response time. These mechanisms can be mechanical, electrical, or a combination of both. Mechanical control mechanisms often utilize springs or levers to apply and release the brake, while electrical control mechanisms rely on electromagnets or solenoids to engage or disengage the brake. The control mechanisms can be adjusted or configured to modulate the brake torque and response time based on the specific needs of the application.
- Brake Torque Adjustments: Brake motors may offer provisions for adjusting the brake torque to accommodate variations in load requirements. This can be achieved through the selection of different brake linings or by adjusting the spring tension or magnetic force within the brake system. By modifying the brake torque, brake motors can provide the necessary braking force to meet the demands of different operating conditions or load characteristics.
- Response Time Optimization: Brake motors can be engineered to optimize the response time of the braking system. The response time refers to the time it takes for the brake to engage or disengage once the control signal is applied. Several factors can influence the response time, including the design of the control mechanism, the characteristics of the brake linings, and the braking system’s overall dynamics. By fine-tuning these factors, brake motors can achieve faster or slower response times as required by the application, ensuring effective and timely braking action.
- Electronic Control Systems: In modern brake motors, electronic control systems are often employed to enhance the flexibility and precision of brake torque and response time adjustments. These systems utilize sensors, feedback mechanisms, and advanced control algorithms to monitor and regulate the brake performance. Electronic control allows for real-time adjustments and precise control of the brake torque and response time, making brake motors more adaptable to variations in operating conditions and load requirements.
By combining appropriate brake design and construction, control mechanisms, torque adjustments, response time optimization, and electronic control systems, brake motors can effectively handle variations in brake torque and response time. This enables them to provide reliable and efficient braking performance across a wide range of operating conditions, load characteristics, and application requirements.
What factors should be considered when selecting the right brake motor for a task?
When selecting the right brake motor for a task, several factors should be carefully considered to ensure optimal performance and compatibility with the specific application requirements. These factors help determine the suitability of the brake motor for the intended task and play a crucial role in achieving efficient and reliable operation. Here’s a detailed explanation of the key factors that should be considered when selecting a brake motor:
1. Load Characteristics: The characteristics of the load being driven by the brake motor are essential considerations. Factors such as load size, weight, and inertia influence the torque, power, and braking requirements of the motor. It is crucial to accurately assess the load characteristics to select a brake motor with the appropriate power rating, torque capacity, and braking capability to handle the specific load requirements effectively.
2. Stopping Requirements: The desired stopping performance of the brake motor is another critical factor to consider. Different applications may have specific stopping time, speed, or precision requirements. The brake motor should be selected based on its ability to meet these stopping requirements, such as adjustable braking torque, controlled response time, and stability during stopping. Understanding the desired stopping behavior is crucial for selecting a brake motor that can provide the necessary control and accuracy.
3. Environmental Conditions: The operating environment in which the brake motor will be installed plays a significant role in its selection. Factors such as temperature, humidity, dust, vibration, and corrosive substances can affect the performance and lifespan of the motor. It is essential to choose a brake motor that is designed to withstand the specific environmental conditions of the application, ensuring reliable and durable operation over time.
4. Mounting and Space Constraints: The available space and mounting requirements should be considered when selecting a brake motor. The physical dimensions and mounting options of the motor should align with the space constraints and mounting configuration of the application. It is crucial to ensure that the brake motor can be properly installed and integrated into the existing machinery or system without compromising the performance or safety of the overall setup.
5. Power Supply: The availability and characteristics of the power supply should be taken into account. The voltage, frequency, and power quality of the electrical supply should match the specifications of the brake motor. It is important to consider factors such as single-phase or three-phase power supply, voltage fluctuations, and compatibility with other electrical components to ensure proper operation and avoid electrical issues or motor damage.
6. Brake Type and Design: Different brake types, such as electromagnetic brakes or spring-loaded brakes, offer specific advantages and considerations. The choice of brake type should align with the requirements of the application, taking into account factors such as braking torque, response time, and reliability. The design features of the brake, such as braking surface area, cooling methods, and wear indicators, should also be evaluated to ensure efficient and long-lasting braking performance.
7. Regulatory and Safety Standards: Compliance with applicable regulatory and safety standards is crucial when selecting a brake motor. Depending on the industry and application, specific standards and certifications may be required. It is essential to choose a brake motor that meets the necessary standards and safety requirements to ensure the protection of personnel, equipment, and compliance with legal obligations.
8. Cost and Lifecycle Considerations: Finally, the cost-effectiveness and lifecycle considerations should be evaluated. This includes factors such as initial investment, maintenance requirements, expected lifespan, and availability of spare parts. It is important to strike a balance between upfront costs and long-term reliability, selecting a brake motor that offers a favorable cost-to-performance ratio and aligns with the expected lifecycle and maintenance budget.
Considering these factors when selecting a brake motor helps ensure that the chosen motor is well-suited for the intended task, provides reliable and efficient operation, and meets the specific requirements of the application. Proper evaluation and assessment of these factors contribute to the overall success and performance of the brake motor in its designated task.
What are the key components of a typical brake motor system?
A typical brake motor system consists of several key components that work together to provide controlled stopping and holding capabilities. These components are carefully designed and integrated to ensure the efficient operation of the brake motor. Here’s a detailed explanation of the key components of a typical brake motor system:
1. Electric Motor: The electric motor is the primary component of the brake motor system. It converts electrical energy into mechanical energy to drive the rotation of the equipment. The motor provides the necessary power and torque to perform the desired work. It can be an AC (alternating current) motor or a DC (direct current) motor, depending on the specific application requirements.
2. Braking Mechanism: The braking mechanism is a crucial component of the brake motor system that enables controlled stopping of the rotating equipment. It consists of various types of brakes, such as electromagnetic brakes or spring-loaded brakes. The braking mechanism engages when the power to the motor is cut off or the motor is de-energized, creating friction or applying pressure to halt the rotation.
3. Brake Coil or Actuator: In brake motors with electromagnetic brakes, a brake coil or actuator is employed. The coil generates a magnetic field when an electrical current passes through it, attracting the brake disc or plate and creating braking force. The coil is energized when the motor is powered, and it de-energizes when the power is cut off, allowing the brake to engage and stop the rotation.
4. Brake Disc or Plate: The brake disc or plate is a key component of the braking mechanism. It is attached to the motor shaft and rotates with it. When the brake engages, the disc or plate is pressed against a stationary surface, creating friction and stopping the rotation of the motor shaft. The material composition and design of the brake disc or plate are optimized for efficient braking performance.
5. Control System: Brake motor systems often incorporate a control system that enables precise control over the braking process. The control system allows for adjustable braking torque, response time, and braking profiles. It may include control devices such as switches, relays, or electronic control units (ECUs). The control system ensures the desired level of control and facilitates the integration of the brake motor system with other machinery or automation systems.
6. Power Supply: A reliable power supply is essential for the operation of the brake motor system. The power supply provides electrical energy to the motor and the brake mechanism. It can be a mains power supply or a dedicated power source, depending on the specific requirements of the application and the motor’s power rating.
7. Mounting and Housing: Brake motors are typically housed in a sturdy enclosure that protects the components from environmental factors, such as dust, moisture, or vibration. The housing also provides mounting points for the motor and facilitates the connection of external devices or machinery. The design of the mounting and housing ensures the stability and safety of the brake motor system.
8. Optional Accessories: Depending on the application, a brake motor system may include optional accessories such as temperature sensors, shaft encoders, or position sensors. These accessories provide additional functionality and feedback, allowing for advanced control and monitoring of the brake motor system.
These are the key components of a typical brake motor system. The integration and interaction of these components ensure controlled stopping, load holding, and precise positioning capabilities, making brake motors suitable for a wide range of industrial applications.
editor by CX 2024-05-15
China OEM Vacuum Pump 12V 24V DC 2nm Electric Bicycle Brushless DC Gear Motor vacuum pump oil near me
Product Description
Specifications
1.low noise and high quality
2.many size for you choose from
3.long life operating time
Our company FAQ for you
(1)Q: What kind motors you can provide?A:For now,we mainly provide Kitchen Hood Motor,DC Motor,Gear Motor,Fan Motor Refrigerator Motor,Hair Dryer Motor Blender Motor Mixer Motor,Shade Pole Motor,Capacitor Motor,BLDC Motor PMDC Motor,Synchronous Motor,Stepping Motor etc.
(2) Q: Is it possible to visit your factory
A: Sure. But please kindly keep us posted a few days in advance. We need to check our
schedule to see if we are available then.
(3) Q: Can I get some samples
A: It depends. If only a few samples for personal use or replacement, I am afraid it will
be difficult for us to provide, because all of our motors are custom made and no stock
available if there is no further needs. If just sample testing before the official order and
our MOQ, price and other terms are acceptable, we’d love to provide samples.
(4) Q: Is there a MOQ for your motors?
A: Yes. The MOQ is between 1000~10,000pcs for different models after sample approval.
But it’s also okay for us to accept smaller lots like a few dozens, hundreds or thousands
For the initial 3 orders after sample approval.For samples, there is no MOQ requirement. But the less the better (like no more than 5pcs) on condition that the quantity is enough in case any changes needed after initial testing.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Universal, Industrial, Household Appliances, Car, Power Tools |
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| Operating Speed: | Adjust Speed |
| Excitation Mode: | Excited |
| Function: | Control, Driving |
| Casing Protection: | Protection Type |
| Number of Poles: | 2 |
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
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What are the key differences between brushed and brushless DC motors?
Brushed and brushless DC motors are two distinct types of motors that differ in their construction, operation, and performance characteristics. Here’s a detailed explanation of the key differences between brushed and brushless DC motors:
1. Construction:
Brushed DC Motors: Brushed DC motors have a relatively simple construction. They consist of a rotor with armature windings and a commutator, and a stator with permanent magnets or electromagnets. The commutator and brushes make physical contact to provide electrical connections to the armature windings.
Brushless DC Motors: Brushless DC motors have a more complex construction. They typically consist of a stationary stator with permanent magnets or electromagnets and a rotor with multiple coils or windings. The rotor does not have a commutator or brushes.
2. Commutation:
Brushed DC Motors: In brushed DC motors, the commutator and brushes are responsible for the commutation process. The brushes make contact with different segments of the commutator, reversing the direction of the current through the armature windings as the rotor rotates. This switching of the current direction generates the necessary torque for motor rotation.
Brushless DC Motors: Brushless DC motors use electronic commutation instead of mechanical commutation. The commutation process is managed by an external electronic controller or driver. The controller determines the timing and sequence of energizing the stator windings based on the rotor position, allowing for precise control of motor operation.
3. Efficiency:
Brushed DC Motors: Brushed DC motors tend to have lower efficiency compared to brushless DC motors. This is primarily due to the energy losses associated with the brushes and commutation process. The friction and wear between the brushes and commutator result in additional power dissipation and reduce overall motor efficiency.
Brushless DC Motors: Brushless DC motors are known for their higher efficiency. Since they eliminate the use of brushes and commutators, there are fewer energy losses and lower frictional losses. The electronic commutation system allows for precise control of the motor’s operation, maximizing efficiency and reducing power consumption.
4. Maintenance:
Brushed DC Motors: Brushed DC motors require regular maintenance due to the wear and tear of the brushes and commutator. The brushes need periodic replacement, and the commutator requires cleaning to maintain proper electrical contact. The maintenance requirements contribute to additional costs and downtime for brushed DC motors.
Brushless DC Motors: Brushless DC motors have a relatively maintenance-free operation. As they do not have brushes or commutators, there is no need for brush replacement or commutator cleaning. This results in reduced maintenance costs and increased reliability of brushless DC motors.
5. Speed Control:
Brushed DC Motors: Brushed DC motors offer simpler speed control options. The speed can be controlled by adjusting the applied voltage or by varying the resistance in the armature circuit. This allows for relatively straightforward speed regulation.
Brushless DC Motors: Brushless DC motors provide more advanced and precise speed control capabilities. The speed can be controlled through the electronic commutation system by adjusting the timing and sequence of the stator windings’ energization. This allows for precise control of the motor’s speed and acceleration.
These key differences between brushed and brushless DC motors make each type suitable for different applications depending on factors such as efficiency requirements, maintenance considerations, and control complexity.
How is the efficiency of a DC motor determined, and what factors can affect it?
In a DC (Direct Current) motor, efficiency refers to the ratio of the motor’s output power (mechanical power) to its input power (electrical power). It is a measure of how effectively the motor converts electrical energy into mechanical work. The efficiency of a DC motor can be determined by considering several factors that affect its performance. Here’s a detailed explanation of how the efficiency of a DC motor is determined and the factors that can influence it:
The efficiency of a DC motor is calculated using the following formula:
Efficiency = (Output Power / Input Power) × 100%
1. Output Power: The output power of a DC motor is the mechanical power produced at the motor’s shaft. It can be calculated using the formula:
Output Power = Torque × Angular Speed
The torque is the rotational force exerted by the motor, and the angular speed is the rate at which the motor rotates. The output power represents the useful work or mechanical energy delivered by the motor.
2. Input Power: The input power of a DC motor is the electrical power supplied to the motor. It can be calculated using the formula:
Input Power = Voltage × Current
The voltage is the electrical potential difference applied to the motor, and the current is the amount of electrical current flowing through the motor. The input power represents the electrical energy consumed by the motor.
Once the output power and input power are determined, the efficiency can be calculated using the formula mentioned earlier.
Several factors can influence the efficiency of a DC motor:
1. Copper Losses:
Copper losses occur due to the resistance of the copper windings in the motor. These losses result in the conversion of electrical energy into heat. Higher resistance or increased current flow leads to greater copper losses and reduces the efficiency of the motor. Using thicker wire for the windings and minimizing resistance can help reduce copper losses.
2. Iron Losses:
Iron losses occur due to magnetic hysteresis and eddy currents in the motor’s iron core. These losses result in the conversion of electrical energy into heat. Using high-quality laminated iron cores and minimizing magnetic flux variations can help reduce iron losses and improve efficiency.
3. Friction and Windage Losses:
Friction and windage losses occur due to mechanical friction between moving parts and air resistance. These losses result in the conversion of mechanical energy into heat. Proper lubrication, efficient bearing systems, and aerodynamically optimized designs can help minimize friction and windage losses.
4. Brush and Commutator Losses:
In brushed DC motors, brush and commutator losses occur due to the friction and electrical resistance at the brush-commutator interface. These losses result in the conversion of electrical energy into heat. Using high-quality brushes and commutators, reducing brush voltage drop, and minimizing the number of commutator segments can help reduce these losses.
5. Magnetic Field Design:
The design of the magnetic field in the motor significantly affects its efficiency. Optimizing the magnetic field for the specific application, such as selecting appropriate magnet materials or designing efficient electromagnets, can improve the motor’s efficiency.
6. Motor Load:
The load on the motor, including the torque and speed requirements, can impact its efficiency. Operating the motor close to its optimal load conditions or utilizing speed control techniques, such as pulse width modulation (PWM), can help improve efficiency by reducing unnecessary power consumption.
7. Motor Size and Construction:
The size and construction of the motor can influence its efficiency. Properly sizing the motor for the intended application and optimizing the design for reduced losses, improved cooling, and efficient heat dissipation can enhance overall efficiency.
It’s important to note that the efficiency of a DC motor is typically highest at or near its rated load conditions. Deviating significantly from the rated load can result in reduced efficiency.
In summary, the efficiency of a DC motor is determined by comparing the output power to the input power. Factors such as copper losses, iron losses, friction and windage losses, brush and commutator losses, magnetic field design, motor load, and motor size and construction can all influence the efficiency of a DC motor. By considering and optimizing these factors, the overall efficiency of the motor can be improved.
How does the size and power rating of a DC motor affect its suitability for different tasks?
The size and power rating of a DC (Direct Current) motor play crucial roles in determining its suitability for different tasks and applications. The size and power rating directly impact the motor’s performance characteristics, including its torque output, speed range, efficiency, and overall capabilities. Here’s a detailed explanation of how the size and power rating of a DC motor affect its suitability for different tasks:
Size of DC Motor:
The size of a DC motor refers to its physical dimensions, including its diameter, length, and overall volume. The size of the motor influences its ability to fit into specific spaces or applications with space constraints. Here are some key considerations regarding the size of a DC motor:
1. Space Limitations: In applications where space is limited, such as small robotic systems or compact machinery, smaller-sized DC motors are preferred. These motors provide a more convenient and efficient integration into the overall system design.
2. Weight Constraints: Certain applications, such as drones or lightweight robots, may have strict weight limitations. Smaller-sized DC motors are generally lighter, making them more suitable for weight-sensitive tasks where minimizing the overall system weight is essential.
3. Cooling and Heat Dissipation: The size of a DC motor can impact its ability to dissipate heat generated during operation. Smaller-sized motors may have less surface area for heat dissipation, which can lead to increased operating temperatures. In contrast, larger-sized motors typically have better heat dissipation capabilities, allowing for sustained operation under heavy loads or in high-temperature environments.
Power Rating of DC Motor:
The power rating of a DC motor refers to the maximum power it can deliver or the power it consumes during operation. The power rating determines the motor’s capacity to perform work and influences its performance characteristics. Here are some key considerations regarding the power rating of a DC motor:
1. Torque Output: The power rating of a DC motor is directly related to its torque output. Higher power-rated motors generally provide higher torque, allowing them to handle more demanding tasks or applications that require greater force or load capacity. For example, heavy-duty industrial machinery or electric vehicles often require DC motors with higher power ratings to generate sufficient torque for their intended tasks.
2. Speed Range: The power rating of a DC motor affects its speed range capabilities. Motors with higher power ratings can typically achieve higher speeds, making them suitable for applications that require rapid or high-speed operation. On the other hand, lower power-rated motors may have limited speed ranges, making them more suitable for applications that require slower or controlled movements.
3. Efficiency: The power rating of a DC motor can impact its efficiency. Higher power-rated motors tend to have better efficiency, meaning they can convert a larger proportion of electrical input power into mechanical output power. Increased efficiency is desirable in applications where energy efficiency or battery life is a critical factor, such as electric vehicles or portable devices.
4. Overload Capability: The power rating of a DC motor determines its ability to handle overloads or sudden changes in load conditions. Motors with higher power ratings generally have a greater overload capacity, allowing them to handle temporary load spikes without stalling or overheating. This characteristic is crucial in applications where intermittent or varying loads are common.
Overall, the size and power rating of a DC motor are important factors in determining its suitability for different tasks. Smaller-sized motors are advantageous in space-constrained or weight-sensitive applications, while larger-sized motors offer better heat dissipation and can handle heavier loads. Higher power-rated motors provide greater torque, speed range, efficiency, and overload capability, making them suitable for more demanding tasks. It is crucial to carefully consider the specific requirements of the application and choose a DC motor size and power rating that aligns with those requirements to ensure optimal performance and reliability.
editor by CX 2024-05-14
China high quality Medical Equipment Linear Actuator 12V 24V DC Motor 6000n for Beauty Bed vacuum pump brakes
Product Description
The involvement in the most different industrial fields shows the ability of our linear motion devices (linear actuator, electric cylinder) to be suitable and reliable for a lot of applications.
Do not hesitate to contact us, sharing your project with our team, we will find the best solution for your requirement. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Certification: | ISO, CE |
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| IP Rating: | IP65 |
| Limit Switch: | Built-in |
| Samples: |
US$ 35/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
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Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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What is a DC motor, and how does it differ from other types of electric motors?
A DC (Direct Current) motor is an electric motor that converts electrical energy into mechanical motion. It operates based on the principle of electromagnetic induction and the interaction between current-carrying conductors and magnetic fields. DC motors are widely used in various applications due to their simplicity, controllability, and versatility. Here’s a detailed explanation of what a DC motor is and how it differs from other types of electric motors:
1. Basic Operation:
In a DC motor, electrical energy is supplied to the motor’s armature through a DC power source, typically a battery or a rectified power supply. The armature consists of multiple coils or windings that are evenly spaced around the motor’s rotor. The rotor is a cylindrical core with a shaft that rotates when the motor is energized. When current flows through the armature windings, it creates a magnetic field that interacts with the fixed magnetic field produced by the motor’s stator. This interaction generates a torque, causing the rotor to rotate.
2. Commutation:
DC motors employ a commutator and brushes for the conversion of electrical energy and the rotation of the rotor. The commutator consists of a segmented cylindrical ring attached to the rotor shaft, and the brushes are stationary conductive contacts that make contact with the commutator segments. As the rotor spins, the brushes maintain contact with the commutator segments, periodically reversing the direction of the current flow in the armature windings. This reversal of current flow in the armature windings ensures continuous rotation of the rotor in the same direction.
3. Types of DC Motors:
DC motors can be classified into different types based on their construction and the method of field excitation. The two main types are:
- Brushed DC Motors: Brushed DC motors have a mechanical commutator and brushes to switch the current direction in the armature windings. These motors are relatively simple, cost-effective, and offer good torque characteristics. However, the commutator and brushes require regular maintenance and can generate electrical noise and brush wear debris.
- Brushless DC Motors (BLDC): Brushless DC motors, also known as electronically commutated motors (ECMs), use electronic circuits and sensors to control the current flow in the motor windings. They eliminate the need for brushes and commutators, resulting in reduced maintenance and improved reliability. BLDC motors offer higher efficiency, smoother operation, and better speed control compared to brushed DC motors.
4. Speed Control:
DC motors provide excellent speed control capabilities. By adjusting the voltage applied to the motor, the speed of the DC motor can be regulated. Lowering the voltage reduces the motor’s speed, while increasing the voltage increases the speed. This feature makes DC motors suitable for applications that require precise speed control, such as robotics, conveyor systems, and electric vehicles.
5. Advantages and Disadvantages:
DC motors have several advantages, including:
- Simple construction and easy maintenance (for brushed DC motors).
- High starting torque.
- Precise speed control.
- Good controllability over a wide range of loads.
However, DC motors also have some limitations, such as:
- Brushed DC motors require periodic maintenance and have limited brush life.
- Brushed DC motors can generate electrical noise.
- Brushless DC motors are often more expensive compared to brushed DC motors.
6. Differences from Other Electric Motors:
DC motors differ from other types of electric motors, such as AC (Alternating Current) motors, in several ways:
- Power Source: DC motors require a DC power source, while AC motors operate from an AC power supply.
- Speed Control: DC motors offer precise speed control by adjusting the applied voltage, whereas AC motors typically rely on frequency control for speed regulation.
- Construction: DC motors use a commutator and brushes (in brushed DC motors) or electronic commutation (in brushless DC motors), while AC motors do not require commutation.
- Starting Torque: DC motors typically provide higher starting torque compared to AC motors.
Overall, DC motors are versatile and widely used in various applications due to their controllability, speed regulation capabilities, and simplicity. The advancements inpower electronics and motor control technologies have further enhanced the performance and efficiency of DC motors, making them a popular choice in many industries.
Can DC motors be used in renewable energy systems, such as wind turbines or solar tracking systems?
Yes, DC (Direct Current) motors can be effectively used in various renewable energy systems, including wind turbines and solar tracking systems. The unique characteristics and advantages of DC motors make them well-suited for these applications. Here’s a detailed explanation of how DC motors can be utilized in renewable energy systems:
1. Wind Turbines:
DC motors can be employed in wind turbines to convert the mechanical energy of the wind into electrical energy. There are two common configurations:
a. Direct Drive Wind Turbines:
In direct drive wind turbines, the rotor of the turbine is directly connected to a DC generator. The rotor’s rotational motion is transmitted directly to the generator, which produces DC electrical power. DC motors can be used as DC generators in this configuration. The advantage of using DC motors/generators is their simplicity, reliability, and ability to operate efficiently at variable speeds, which is beneficial in varying wind conditions.
b. Hybrid Wind Turbines:
Hybrid wind turbines combine both aerodynamic and electrical conversion systems. In this configuration, DC motors can be utilized for the pitch control mechanism and yaw control system. The pitch control mechanism adjusts the angle of the turbine blades to optimize performance, while the yaw control system enables the turbine to align itself with the wind direction. DC motors provide precise control and responsiveness required for these functions.
2. Solar Tracking Systems:
DC motors are commonly employed in solar tracking systems to maximize the efficiency of solar panels by optimizing their orientation towards the sun. There are two main types of solar tracking systems:
a. Single-Axis Solar Tracking Systems:
Single-axis solar tracking systems adjust the inclination of solar panels along a single axis (typically the east-west axis) to track the movement of the sun throughout the day. DC motors can be used to drive the rotation mechanism that adjusts the panel’s tilt angle. By continuously adjusting the panel’s position to face the sun directly, the solar energy harvested can be significantly increased, resulting in higher energy output compared to fixed solar panel installations.
b. Dual-Axis Solar Tracking Systems:
Dual-axis solar tracking systems adjust the inclination of solar panels along both the east-west and north-south axes to track the sun’s movement throughout the day and throughout the year. DC motors are utilized in the rotation mechanisms for both axes. This type of solar tracking system provides the highest possible energy yield by keeping the solar panels perpendicular to the sun’s rays at all times, maximizing the exposure to sunlight.
DC motors are preferred in renewable energy systems due to their advantages, including:
- Efficiency at Variable Speeds: DC motors can operate efficiently at varying speeds, making them suitable for applications with fluctuating wind speeds or changing solar angles.
- Control and Precision: DC motors offer precise control and responsiveness, allowing for accurate tracking and adjustment in wind turbines and solar tracking systems.
- Reliability: DC motors are known for their reliability, with fewer moving parts compared to other motor types, reducing the risk of failure in remote or harsh environments.
- Compatibility with Energy Storage Systems: DC motors can easily be integrated with energy storage systems, such as batteries or supercapacitors, to store excess electrical energy generated by wind turbines or solar panels.
In conclusion, DC motors can be effectively utilized in renewable energy systems such as wind turbines and solar tracking systems. Their efficiency, control capabilities, reliability, and compatibility with energy storage systems make them a suitable choice for these applications, contributing to the advancement of sustainable energy generation.
What are the advantages and disadvantages of using DC motors in automotive applications?
DC (Direct Current) motors have been used in automotive applications for many years, although they have been largely replaced by other motor types such as AC (Alternating Current) motors and brushless DC motors in modern vehicles. However, there are still some advantages and disadvantages associated with using DC motors in automotive applications. Here’s a detailed explanation of the advantages and disadvantages:
Advantages of Using DC Motors in Automotive Applications:
1. Cost: DC motors tend to be less expensive compared to other motor types, such as AC motors or brushless DC motors. This cost advantage can make them an attractive option for certain automotive applications, especially in budget-conscious scenarios.
2. Simple Control: DC motors have a relatively simple control system. By adjusting the voltage applied to the motor, the speed and torque can be easily controlled. This simplicity of control can be advantageous in automotive applications where basic speed control is sufficient.
3. High Torque at Low Speeds: DC motors can provide high torque even at low speeds, making them suitable for applications that require high starting torque or precise low-speed control. This characteristic can be beneficial for automotive applications such as power windows, windshield wipers, or seat adjustments.
4. Compact Size: DC motors can be designed in compact sizes, making them suitable for automotive applications where space is limited. Their small form factor allows for easier integration into tight spaces within the vehicle.
Disadvantages of Using DC Motors in Automotive Applications:
1. Limited Efficiency: DC motors are typically less efficient compared to other motor types, such as AC motors or brushless DC motors. They can experience energy losses due to brush friction and electrical resistance, resulting in lower overall efficiency. Lower efficiency can lead to increased power consumption and reduced fuel economy in automotive applications.
2. Maintenance Requirements: DC motors that utilize brushes for commutation require regular maintenance. The brushes can wear out over time and may need to be replaced periodically, adding to the maintenance and operating costs. In contrast, brushless DC motors or AC motors do not have this maintenance requirement.
3. Limited Speed Range: DC motors have a limited speed range compared to other motor types. They may not be suitable for applications that require high-speed operation or a broad range of speed control. In automotive applications where high-speed performance is crucial, other motor types may be preferred.
4. Electromagnetic Interference (EMI): DC motors can generate electromagnetic interference, which can interfere with the operation of other electronic components in the vehicle. This interference may require additional measures, such as shielding or filtering, to mitigate its effects and ensure proper functioning of other vehicle systems.
5. Brush Wear and Noise: DC motors that use brushes can produce noise during operation, and the brushes themselves can wear out over time. This brush wear can result in increased noise levels and potentially impact the overall lifespan and performance of the motor.
While DC motors offer certain advantages in terms of cost, simplicity of control, and high torque at low speeds, they also come with disadvantages such as limited efficiency, maintenance requirements, and electromagnetic interference. These factors have led to the adoption of other motor types, such as brushless DC motors and AC motors, in many modern automotive applications. However, DC motors may still find use in specific automotive systems where their characteristics align with the requirements of the application.
editor by CX 2024-05-14
China Professional 57bl High Torque 12V 24V 36V 48V 60V Electrical Brushless DC Motor 30W 50W 75W 100W 200W 250W BLDC Geared Motor with Controller Brake Encoder Integrated vacuum pump
Product Description
Below are only some typical models.
For more information or a customed motor, Pls contact us.
Option for :
customized shaft, performance, voltage, mounting, lead wires..
Option for:
Electric Brake, Planetary Gearbox, Worm Gearbox, Optical Encoder Integrated
Size 57mm brushless dc motors
Rated Voltage : 24 Volt
Option for 12v 24v 36v 48v 60v
| Bearing | High quality ball bearing |
| Poles | 4-poles 8-poles |
| Protection class | IP40 IP54 option |
| Insulation class | class: F |
Standard Version
High Torque Version
57mm Brushless DC Motor with Planetary Gear Box
ABOVE MODELS ARE ONLY TYPICAL MODELS
WE MAKE CUSTOMED VOLTAGE, WINDING, SHAFT, MOUNTING,
AND MOTOR ADDERS FOR ENCODER, GEARBOX, BRAKE…ETC
CONTROLLER INTEGRATED
PLANET VERSION, CONTROLLER BRAKE ENCODER INTEGRATED
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Universal, Industrial, Household Appliances, Car, Power Tools |
|---|---|
| Operating Speed: | Adjust Speed |
| Excitation Mode: | Shunt |
| Function: | Control, Driving |
| Casing Protection: | Closed Type |
| Number of Poles: | 8 |
| Customization: |
Available
|
|
|---|
Where can individuals find reliable information and resources for learning more about brushless motors?
Individuals seeking reliable information and resources to learn more about brushless motors have several options available. Here are some recommended sources:
1. Manufacturer Websites:
Visit the websites of reputable brushless motor manufacturers. Manufacturers often provide detailed information about their products, including specifications, application guidelines, technical documentation, and educational resources. These websites can be a valuable source of accurate and up-to-date information about brushless motors.
2. Industry Associations and Organizations:
Explore industry associations and organizations related to electric motors, automation, or specific applications of brushless motors. These associations often provide educational materials, technical publications, webinars, and conferences that cover various aspects of motor technology. Examples include the Institute of Electrical and Electronics Engineers (IEEE), the American Society of Mechanical Engineers (ASME), or industry-specific associations like the Robotics Industries Association (RIA) or the Electric Motor Education and Research Foundation (EMERF).
3. Technical Forums and Online Communities:
Participate in technical forums and online communities focused on motors and related technologies. Platforms like Stack Exchange, Reddit, or specialized engineering forums often have dedicated sections where individuals can ask questions, learn from experts, and access valuable resources. Engaging with these communities can provide insights into real-world experiences and practical knowledge about brushless motors.
4. Books and Publications:
Consult books, textbooks, and technical publications that cover electric motors and motor control theory. Look for titles that specifically address brushless motor technology or broader topics such as electromechanical systems, power electronics, or mechatronics. Libraries, online bookstores, and academic institutions are good sources for finding relevant publications.
5. Online Tutorials and Courses:
Explore online tutorials and courses offered by educational platforms, engineering schools, or specialized training providers. Platforms such as Coursera, Udemy, or Khan Academy may offer courses related to electric motors, motor control, or mechatronics. These resources often provide structured learning experiences with video lectures, practical exercises, and assessments.
6. Research Papers and Technical Journals:
Access research papers and technical journals focused on electrical engineering, motor technology, or related fields. Platforms like IEEE Xplore, ResearchGate, or academic databases provide access to a wide range of scholarly articles and technical papers. These sources can offer in-depth knowledge about the latest advancements, research findings, and technical details related to brushless motors.
7. Industry Trade Shows and Exhibitions:
Attend industry trade shows and exhibitions that feature motor manufacturers, suppliers, and technology providers. These events often showcase the latest products, innovations, and advancements in motor technology. They also provide opportunities to interact with industry experts, attend technical presentations, and gather valuable information about brushless motors.
8. Online Product Catalogs and Datasheets:
Review online product catalogs and datasheets provided by motor manufacturers. These documents typically contain detailed specifications, performance data, and application notes for specific motor models. They can help individuals understand the capabilities, limitations, and features of different brushless motors.
Remember to critically evaluate the information obtained from various sources and cross-reference multiple resources to ensure accuracy and reliability. Brushless motor technology is a dynamic field, so staying updated with the latest research and industry developments is essential for gaining comprehensive knowledge.
What types of sensors are commonly used in brushless motors for feedback and control?
In brushless motors, various types of sensors are commonly used for feedback and control purposes. These sensors provide essential data to monitor and control the motor’s position, speed, and other parameters. Here are some of the commonly used sensors in brushless motors:
1. Hall Effect Sensors:
Hall effect sensors are widely used in brushless motors for commutation control. Typically, three Hall effect sensors are positioned around the motor’s stator to detect the position of the rotor’s permanent magnets. By sensing the magnetic field changes, the Hall effect sensors determine the rotor’s position relative to the stator. This information is crucial for the motor’s electronic controller to apply the correct current to the motor’s windings and ensure proper commutation.
2. Encoder Sensors:
Encoders are commonly employed in brushless motors for precise position control. There are two main types of encoders used: optical encoders and magnetic encoders. Optical encoders use an optical disc with patterns and a light-emitting diode (LED) and photodetector to detect the rotation of the motor’s shaft. Magnetic encoders, on the other hand, utilize magnetic fields and sensors to measure the shaft’s position. Encoders provide high-resolution position feedback and enable accurate closed-loop control of the motor’s position.
3. Resolver Sensors:
Resolvers are another type of position sensor used in brushless motors. They consist of a rotor and a stator with windings. As the rotor rotates, the resolver measures the angular position by detecting the voltages induced in the stator windings. Resolvers are known for their durability and resistance to harsh environmental conditions, making them suitable for various industrial applications.
4. Current Sensors:
Current sensors are used to measure the current flowing through the motor’s windings. They provide feedback on the motor’s electrical load and enable monitoring of the motor’s torque output. Current sensors can be based on different principles, such as Hall effect, shunt resistors, or current transformers. By measuring the motor’s current, the control system can adjust the motor’s performance and protect it from overcurrent conditions.
5. Temperature Sensors:
Temperature sensors are utilized to monitor the motor’s temperature and prevent overheating. These sensors can be thermocouples, thermistors, or integrated temperature sensors. By continuously monitoring the motor’s temperature, the control system can adjust the motor’s operation, activate cooling mechanisms, or trigger alarms and shutdowns if the temperature exceeds safe limits.
6. Speed Sensors:
Speed sensors are employed to measure the rotational speed of the motor. They provide feedback on the motor’s speed and enable closed-loop speed control. Speed sensors can be optical or magnetic, relying on the detection of changes in position or magnetic field patterns to determine the motor’s speed.
The specific combination and utilization of these sensors depend on the motor’s design, control system requirements, and application needs. By using these sensors, brushless motors can achieve precise control, accurate position feedback, and efficient operation, making them suitable for a wide range of applications in industries such as automotive, robotics, aerospace, and industrial automation.
What is a brushless motor, and how does it differ from traditional brushed motors?
A brushless motor is an electric motor that operates without the use of brushes and a commutator, unlike traditional brushed motors. Brushless motors rely on electronic commutation to control the power distribution to the motor’s windings, resulting in improved efficiency, reliability, and performance. Here are the key differences between brushless motors and traditional brushed motors:
1. Construction:
Brushed motors consist of a rotor (armature) and a stator. The rotor contains permanent magnets, and the stator consists of electromagnets. Brushes and a commutator are used to transfer power to the rotor and control the direction of current flow. In contrast, brushless motors have a stationary stator with windings and a rotor that contains permanent magnets. The power is supplied to the stator windings through an external controller that electronically commutates the motor.
2. Commutation:
In brushed motors, commutation is achieved mechanically through the brushes and commutator. The brushes make physical contact with the commutator, which switches the direction of current flow in the rotor windings as the motor rotates. This mechanical commutation causes friction, wear, and electrical arcing, leading to inefficiencies and limited lifespan. Brushless motors, on the other hand, employ electronic commutation. Sensors or Hall effect devices detect the rotor position, and the external controller determines the appropriate timing and sequence of current flow in the stator windings, eliminating the need for brushes and commutation mechanisms.
3. Efficiency:
Brushless motors are generally more efficient than brushed motors. The absence of brushes and commutator reduces friction and electrical losses, resulting in higher efficiency and improved power conversion. Brushed motors experience energy losses due to brush contact resistance and electrical arcing, which can reduce overall efficiency. Brushless motors can achieve efficiency levels of over 90%, while brushed motors typically have efficiencies ranging from 75% to 85%.
4. Maintenance:
Brushless motors require less maintenance compared to brushed motors. The brushes in brushed motors wear over time and need periodic replacement. Additionally, the commutator may require cleaning or resurfacing. In contrast, brushless motors have no brushes or commutator, eliminating the need for brush replacement and commutator maintenance. This makes brushless motors more reliable and reduces downtime and maintenance costs.
5. Lifespan:
The lifespan of brushless motors is generally longer than that of brushed motors. The absence of brushes and commutator reduces wear and electrical arcing, which are common causes of failure in brushed motors. Brushless motors can operate for thousands of hours without requiring major maintenance, while brushed motors typically have a shorter lifespan due to brush and commutator wear.
6. Control and Performance:
Brushless motors offer more precise control and better performance compared to brushed motors. The electronic commutation in brushless motors allows for finer control of the motor’s speed, torque, and direction. The external controller can adjust the motor’s parameters dynamically, enabling smoother operation and better responsiveness. Brushless motors also have higher torque-to-weight ratios, faster acceleration, and lower inertia, making them suitable for applications requiring high-performance and precise motion control.
These differences make brushless motors advantageous in many applications where efficiency, reliability, and precise control are crucial. They are commonly used in industries such as robotics, aerospace, electric vehicles, and industrial automation, where high-performance and long-lasting motors are required.
editor by CX 2024-05-14
China supplier Industrial Hot Selling 24V 100W dual shaft gear DC for machine motor vacuum pump diy
Product Description
Product Description:
Gear Motor-Torque Table Allowance Torque Unit:Upside (N.m)/Belowside (kgf.cm)
•Gearhead and Intermediate gearhead are sold separately.
•Enter the reduction ratio into the blank() within the model name.
•The speed is calculated by dividing the motor’s synchronous speed by the reduction ratio. The actual speed is 2%~20% less than the displayed value, depending on the size of the load.
•To reduce the speed beyond the reduction ratio in the following table, attach an intermediate gearhead (reduction ratio: 10) between the reducer and motor. In that case, the permissible torque is 20N.m.
|
Type Motor/Gearhead |
Gear Ratio |
3 |
3.6 |
5 |
6 |
7.5 |
9 |
12.5 |
15 |
18 |
25 |
30 |
36 |
50 |
60 |
75 |
90 |
100 |
120 |
150 |
180 |
|
Speed r/min |
866 |
722 |
520 |
433 |
346 |
288 |
208 |
173 |
144 |
104 |
86 |
72 |
52 |
43 |
34 |
28 |
26 |
21 |
17 |
14 |
|
| Z5D120-24GU-M(5GU180KB) |
5GU()RC/ 5GU()RT |
0.87 |
1.04 |
1.45 |
1.74 |
2.41 |
5.44 |
4.02 |
4.82 |
5.78 |
8.03 |
9.64 |
10.4 |
14.5 |
17.4 |
20.0 |
20.0 |
20.0 |
20.0 |
20.0 |
20.0 |
|
8.87 |
10.6 |
14.8 |
17.7 |
24.6 |
55.5 |
41.0 |
48.2 |
59.0 |
81.9 |
98.3 |
106 |
148 |
177 |
200 |
200 |
200 |
200 |
200 |
200 |
Dimensions(Unit:mm):
Company Information
FAQ
Q: What’re your main products?
A: We currently produce Brushed Dc Motors, Brushed Dc Gear Motors, Planetary Dc Gear Motors, Brushless Dc Motors, Stepper motors, Ac Motors and High Precision Planetary Gear Box etc. You can check the specifications for above motors on our website and you can email us to recommend needed motors per your specification too.
Q: How to select a suitable motor?
A:If you have motor pictures or drawings to show us, or you have detailed specs like voltage, speed, torque, motor size, working mode of the motor, needed lifetime and noise level etc, please do not hesitate to let us know, then we can recommend suitable motor per your request accordingly.
Q: Do you have a customized service for your standard motors?
A: Yes, we can customize per your request for the voltage, speed, torque and shaft size/shape. If you need additional wires/cables soldered on the terminal or need to add connectors, or capacitors or EMC we can make it too.
Q: Do you have an individual design service for motors?
A: Yes, we would like to design motors individually for our customers, but it may need some mold developing cost and design charge.
Q: What’s your lead time?
A: Generally speaking, our regular standard product will need 15-30days, a bit longer for customized products. But we are very flexible on the lead time, it will depend on the specific orders.
Please contact us if you have detailed requests, thank you () /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Universal, Industrial, Power Tools |
|---|---|
| Operating Speed: | Constant Speed |
| Structure and Working Principle: | Brushless |
| Certification: | ISO9001, CCC, CCC, CE, RoHS, UL |
| Commutation: | Brushless |
| Transport Package: | Cnt |
| Customization: |
Available
|
|
|---|
Are there innovations or emerging technologies in the field of gear motor design?
Yes, there are several innovations and emerging technologies in the field of gear motor design. These advancements aim to improve the performance, efficiency, compactness, and reliability of gear motors. Here are some notable innovations and emerging technologies in gear motor design:
1. Miniaturization and Compact Design:
Advancements in manufacturing techniques and materials have enabled the miniaturization of gear motors without compromising their performance. Gear motors with compact designs are highly sought after in applications where space is limited, such as robotics, medical devices, and consumer electronics. Innovative approaches like micro-gear motors and integrated motor-gear units are being developed to achieve smaller form factors while maintaining high torque and efficiency.
2. High-Efficiency Gearing:
New gear designs focus on improving efficiency by reducing friction and mechanical losses. Advanced gear manufacturing techniques, such as precision machining and 3D printing, allow for the creation of intricate gear tooth profiles that optimize power transmission and minimize losses. Additionally, the use of high-performance materials, coatings, and lubricants helps reduce friction and wear, improving overall gear motor efficiency.
3. Magnetic Gearing:
Magnetic gearing is an emerging technology that replaces traditional mechanical gears with magnetic fields to transmit torque. It utilizes the interaction of permanent magnets to transfer power, eliminating the need for physical gear meshing. Magnetic gearing offers advantages such as high efficiency, low noise, compactness, and maintenance-free operation. While still being developed and refined, magnetic gearing holds promise for various applications, including gear motors.
4. Integrated Electronics and Controls:
Gear motor designs are incorporating integrated electronics and controls to enhance performance and functionality. Integrated motor drives and controllers simplify system integration, reduce wiring complexity, and allow for advanced control features. These integrated solutions offer precise speed and torque control, intelligent feedback mechanisms, and connectivity options for seamless integration into automation systems and IoT (Internet of Things) platforms.
5. Smart and Condition Monitoring Capabilities:
New gear motor designs incorporate smart features and condition monitoring capabilities to enable predictive maintenance and optimize performance. Integrated sensors and monitoring systems can detect abnormal operating conditions, track performance parameters, and provide real-time feedback for proactive maintenance and troubleshooting. This helps prevent unexpected failures, extend the lifespan of gear motors, and improve overall system reliability.
6. Energy-Efficient Motor Technologies:
Gear motor design is influenced by advancements in energy-efficient motor technologies. Brushless DC (BLDC) motors and synchronous reluctance motors (SynRM) are gaining popularity due to their higher efficiency, better power density, and improved controllability compared to traditional brushed DC and induction motors. These motor technologies, when combined with optimized gear designs, contribute to overall system energy savings and performance improvements.
These are just a few examples of the innovations and emerging technologies in gear motor design. The field is continuously evolving, driven by the need for more efficient, compact, and reliable motion control solutions in various industries. Gear motor manufacturers and researchers are actively exploring new materials, manufacturing techniques, control strategies, and system integration approaches to meet the evolving demands of modern applications.
What is the significance of gear reduction in gear motors, and how does it affect efficiency?
Gear reduction plays a significant role in gear motors as it enables the motor to deliver higher torque while reducing the output speed. This feature has several important implications for gear motors, including enhanced power transmission, improved control, and potential trade-offs in terms of efficiency. Here’s a detailed explanation of the significance of gear reduction in gear motors and its effect on efficiency:
Significance of Gear Reduction:
1. Increased Torque: Gear reduction allows gear motors to generate higher torque output compared to a motor without gears. By reducing the rotational speed at the output shaft, gear reduction increases the mechanical advantage of the system. This increased torque is beneficial in applications that require high torque to overcome resistance, such as lifting heavy loads or driving machinery with high inertia.
2. Improved Control: Gear reduction enhances the control and precision of gear motors. By reducing the speed, gear reduction allows for finer control over the motor’s rotational movement. This is particularly important in applications that require precise positioning or accurate speed control. The gear reduction mechanism enables gear motors to achieve smoother and more controlled movements, reducing the risk of overshooting or undershooting the desired position.
3. Load Matching: Gear reduction helps match the motor’s power characteristics to the load requirements. Different applications have varying torque and speed requirements. Gear reduction allows the gear motor to achieve a better match between the motor’s power output and the specific requirements of the load. It enables the motor to operate closer to its peak efficiency by optimizing the torque-speed trade-off.
Effect on Efficiency:
While gear reduction offers several advantages, it can also affect the efficiency of gear motors. Here’s how gear reduction impacts efficiency:
1. Mechanical Efficiency: The gear reduction process introduces mechanical components such as gears, bearings, and lubrication systems. These components introduce additional friction and mechanical losses into the system. As a result, some energy is lost in the form of heat during the gear reduction process. The efficiency of the gear motor is influenced by the quality of the gears, the lubrication used, and the overall design of the gear system. Well-designed and properly maintained gear systems can minimize these losses and optimize mechanical efficiency.
2. System Efficiency: Gear reduction affects the overall system efficiency by impacting the motor’s electrical efficiency. In gear motors, the motor typically operates at higher speeds and lower torques compared to a direct-drive motor. The overall system efficiency takes into account both the electrical efficiency of the motor and the mechanical efficiency of the gear system. While gear reduction can increase the torque output, it also introduces additional losses due to increased mechanical complexity. Therefore, the overall system efficiency may be lower compared to a direct-drive motor for certain applications.
It’s important to note that the efficiency of gear motors is influenced by various factors beyond gear reduction, such as motor design, control systems, and operating conditions. The selection of high-quality gears, proper lubrication, and regular maintenance can help minimize losses and improve efficiency. Additionally, advancements in gear technology, such as the use of precision gears and improved lubricants, can contribute to higher overall efficiency in gear motors.
In summary, gear reduction is significant in gear motors as it provides increased torque, improved control, and better load matching. However, gear reduction can introduce mechanical losses and affect the overall efficiency of the system. Proper design, maintenance, and consideration of application requirements are essential to optimize the balance between torque, speed, and efficiency in gear motors.
What are the different types of gears used in gear motors, and how do they impact performance?
Various types of gears are used in gear motors, each with its unique characteristics and impact on performance. The choice of gear type depends on the specific requirements of the application, including torque, speed, efficiency, noise level, and space constraints. Here’s a detailed explanation of the different types of gears used in gear motors and their impact on performance:
1. Spur Gears:
Spur gears are the most common type of gears used in gear motors. They have straight teeth that are parallel to the gear’s axis and mesh with another spur gear to transmit power. Spur gears provide high efficiency, reliable operation, and cost-effectiveness. However, they can generate significant noise due to the meshing of teeth, and they may produce axial thrust forces. Spur gears are suitable for applications that require high torque transmission and moderate to high rotational speeds.
2. Helical Gears:
Helical gears have angled teeth that are cut at an angle to the gear’s axis. This helical tooth configuration enables gradual engagement and smoother tooth contact, resulting in reduced noise and vibration compared to spur gears. Helical gears provide higher load-carrying capacity and are suitable for applications that require high torque transmission and moderate to high rotational speeds. They are commonly used in gear motors where low noise operation is desired, such as in automotive applications and industrial machinery.
3. Bevel Gears:
Bevel gears have teeth that are cut on a conical surface. They are used to transmit power between intersecting shafts, usually at right angles. Bevel gears can have straight teeth (straight bevel gears) or curved teeth (spiral bevel gears). These gears provide efficient power transmission and precise motion control in applications where shafts need to change direction. Bevel gears are commonly used in gear motors for applications such as steering systems, machine tools, and printing presses.
4. Worm Gears:
Worm gears consist of a worm (a type of screw) and a mating gear called a worm wheel or worm gear. The worm has a helical thread that meshes with the worm wheel, resulting in a compact and high gear reduction ratio. Worm gears provide high torque transmission, low noise operation, and self-locking properties, which prevent reverse motion. They are commonly used in gear motors for applications that require high gear reduction and locking capabilities, such as in lifting mechanisms, conveyor systems, and machine tools.
5. Planetary Gears:
Planetary gears, also known as epicyclic gears, consist of a central sun gear, multiple planet gears, and an outer ring gear. The planet gears mesh with both the sun gear and the ring gear, creating a compact and efficient gear system. Planetary gears offer high torque transmission, high gear reduction ratios, and excellent load distribution. They are commonly used in gear motors for applications that require high torque and compact size, such as in robotics, automotive transmissions, and industrial machinery.
6. Rack and Pinion:
Rack and pinion gears consist of a linear rack (a straight toothed bar) and a pinion gear (a spur gear with a small diameter). The pinion gear meshes with the rack to convert rotary motion into linear motion or vice versa. Rack and pinion gears provide precise linear motion control and are commonly used in gear motors for applications such as linear actuators, CNC machines, and steering systems.
The choice of gear type in a gear motor depends on factors such as the desired torque, speed, efficiency, noise level, and space constraints. Each type of gear offers specific advantages and impacts the performance of the gear motor differently. By selecting the appropriate gear type, gear motors can be optimized for their intended applications, ensuring efficient and reliable power transmission.
editor by CX 2024-05-13