Tag Archives: gearless motor

China manufacturer DC Gearless Brushless Encoder Delivery Robot Drive Electric Wheel Hub Servo Motor with CE with Good quality

Product Description

Product Description

HangZhou K-Easy Automation Co.,Limited is a professional manufacturer, specialize in R&D And production of AC drives. We have built up a comprehensive product family. Frequency inverters’ power covers the range from 0.4 to 630kW, and voltage range is between 220V and 480V. More than inverters are running smoothly 300, 000 units at different industrial sites.


  • The response frequency is up to 1.5KHz, which is especially suitable for applications requiring high-speed response;

  • Driver menu, control interface, parameter modification and writing operation are consistent with CHINAMFG A5 series servo driver;

  • The encoder interface of A-type servo driver is consistent with CHINAMFG A5 series servo driver, and it can directly operate with CHINAMFG A5 and A6 servo motors;

  • The driver can directly drive the direct drive motor, and can support up to 23 bit absolute encoder;

  • It is provided with electronic cam special machine and internal position special machine;

  • The driver is currently used in automation equipment such as manipulator, loading and unloading, winding machine, die-cutting machine, 3C processing, fine carving, textile, SCARA robot, tensile machine, capping machine, labeling machine, etc.

Product Parameters

Performance K-Drive
Applicable motors Asynchronous /synchronous motors
Starting torque 0.5Hz, 180% (sensor-less vector control) 0Hz, 200% (closed-loop vector control)
Speed adjustable range 1:200 (SVC), 1:1000 (VC)
Ambient temperature (no derating required) -10-50ºC (for most of the models)
Rated input voltage 208VAC-480VAC
Communication Modbus RTU//ASCII Profibus-DP, CANopen, etc.
Position control (fixed length, or angular positioning)
Field weakening control
Autotune online Online & Offline
Short-time ramp-up No trip
Customized features (software and/or hardware) Procurable with rich experience

Product Features

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: High-performance Transducer, Three Phase Transducer, General Transducer, Single-phase Transducer, High Frequency Converter Transducer
Output Type: Triple
Principle of Work: Vector Control Transducer
Switch Mode: High Carrier Frequency PWM Control
Main Circuit Type: Voltage
Voltage of Power Supply: Low Voltage Variable-Frequency Drive
US$ 78/Piece
1 Piece(Min.Order)




electric motor

How do manufacturers ensure the quality and reliability of electric motors?

Manufacturers employ several measures and quality control processes to ensure the quality and reliability of electric motors. These measures span from design and manufacturing stages to testing and inspections. Here’s a detailed explanation of how manufacturers ensure the quality and reliability of electric motors:

  1. Robust Design and Engineering: Manufacturers invest significant effort in designing electric motors with robust engineering principles. This involves careful selection of materials, precise calculations, and simulation techniques to ensure optimal performance and durability. Thorough design reviews and analysis are conducted to identify potential issues and optimize the motor’s design for reliability.
  2. Stringent Manufacturing Processes: Manufacturers adhere to stringent manufacturing processes to maintain consistent quality standards. This includes using advanced manufacturing technologies, automated assembly lines, and precision machining to ensure accurate and reliable motor production. Strict quality control measures are implemented at each stage of manufacturing, including material inspection, component testing, and assembly verification.
  3. Quality Control and Testing: Comprehensive quality control and testing procedures are implemented to assess the performance and reliability of electric motors. This includes electrical testing to verify motor characteristics such as voltage, current, power consumption, and efficiency. Mechanical testing is conducted to assess factors like torque, vibration, and noise levels. Additionally, endurance tests are performed to evaluate the motor’s performance over extended operating periods.
  4. Certifications and Compliance: Electric motor manufacturers often obtain certifications and comply with industry standards to ensure quality and reliability. These certifications, such as ISO 9001, IEC standards, and UL certifications, demonstrate that the manufacturer follows recognized quality management systems and meets specific requirements for product safety, performance, and reliability. Compliance with these standards provides assurance to customers regarding the motor’s quality.
  5. Reliability Testing: Manufacturers conduct extensive reliability testing to assess the motor’s performance under various conditions and stress factors. This may include accelerated life testing, temperature and humidity testing, thermal cycling, and load testing. Reliability testing helps identify potential weaknesses, evaluate the motor’s robustness, and ensure it can withstand real-world operating conditions without compromising performance or reliability.
  6. Continuous Improvement and Feedback: Manufacturers emphasize continuous improvement by gathering feedback from customers, field testing, and warranty analysis. By monitoring the performance of motors in real-world applications, manufacturers can identify any issues or failure patterns and make necessary design or process improvements. Customer feedback also plays a crucial role in driving improvements and addressing specific requirements.
  7. Quality Assurance and Documentation: Manufacturers maintain comprehensive documentation throughout the production process to ensure traceability and quality assurance. This includes recording and tracking raw materials, components, manufacturing parameters, inspections, and testing results. Proper documentation allows manufacturers to identify any deviations, track the motor’s history, and enable effective quality control and post-production analysis.
  8. Supplier Evaluation and Control: Manufacturers carefully evaluate and select reliable suppliers for motor components and materials. Supplier quality control processes are established to ensure that the sourced components meet the required specifications and quality standards. Regular supplier audits, inspections, and quality assessments are conducted to maintain a consistent supply chain and ensure the overall quality and reliability of the motors.

By implementing these measures, manufacturers ensure the quality and reliability of electric motors. Through robust design, stringent manufacturing processes, comprehensive testing, compliance with standards, continuous improvement, and effective quality control, manufacturers strive to deliver electric motors that meet or exceed customer expectations for performance, durability, and reliability.

electric motor

How do electric motors contribute to the precision of tasks like robotics?

Electric motors play a critical role in enabling the precision of tasks in robotics. Their unique characteristics and capabilities make them well-suited for precise and controlled movements required in robotic applications. Here’s a detailed explanation of how electric motors contribute to the precision of tasks in robotics:

  1. Precise Positioning: Electric motors offer precise positioning capabilities, allowing robots to move with accuracy and repeatability. By controlling the motor’s speed, direction, and rotation, robots can achieve precise position control, enabling them to perform tasks with high levels of accuracy. This is particularly important in applications that require precise manipulation, such as assembly tasks, pick-and-place operations, and surgical procedures.
  2. Speed Control: Electric motors provide precise speed control, allowing robots to perform tasks at varying speeds depending on the requirements. By adjusting the motor’s speed, robots can achieve smooth and controlled movements, which is crucial for tasks that involve delicate handling or interactions with objects or humans. The ability to control motor speed precisely enhances the overall precision and safety of robotic operations.
  3. Torque Control: Electric motors offer precise torque control, which is essential for tasks that require forceful or delicate interactions. Torque control allows robots to exert the appropriate amount of force or torque, enabling them to handle objects, perform assembly tasks, or execute movements with the required precision. By modulating the motor’s torque output, robots can delicately manipulate objects without causing damage or apply sufficient force for tasks that demand strength.
  4. Feedback Control Systems: Electric motors in robotics are often integrated with feedback control systems to enhance precision. These systems utilize sensors, such as encoders or resolvers, to provide real-time feedback on the motor’s position, speed, and torque. The feedback information is used to continuously adjust and fine-tune the motor’s performance, compensating for any errors or deviations and ensuring precise movements. The closed-loop nature of feedback control systems allows robots to maintain accuracy and adapt to dynamic environments or changing task requirements.
  5. Dynamic Response: Electric motors exhibit excellent dynamic response characteristics, enabling quick and precise adjustments to changes in command signals. This responsiveness is particularly advantageous in robotics, where rapid and accurate movements are often required. Electric motors can swiftly accelerate, decelerate, and change direction, allowing robots to perform intricate tasks with precision and efficiency.
  6. Compact and Lightweight: Electric motors are available in compact and lightweight designs, making them suitable for integration into various robotic systems. Their small size and high power-to-weight ratio allow for efficient utilization of space and minimal impact on the overall weight and size of the robot. This compactness and lightness contribute to the overall precision and maneuverability of robotic platforms.

Electric motors, with their precise positioning, speed control, torque control, feedback control systems, dynamic response, and compactness, significantly contribute to the precision of tasks in robotics. These motors enable robots to execute precise movements, manipulate objects with accuracy, and perform tasks that require high levels of precision. The integration of electric motors with advanced control algorithms and sensory feedback systems empowers robots to adapt to various environments, interact safely with humans, and achieve precise and controlled outcomes in a wide range of robotic applications.

electric motor

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:

  1. 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.
  2. 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.
  3. 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.
  4. 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.

China manufacturer DC Gearless Brushless Encoder Delivery Robot Drive Electric Wheel Hub Servo Motor with CE   with Good quality China manufacturer DC Gearless Brushless Encoder Delivery Robot Drive Electric Wheel Hub Servo Motor with CE   with Good quality
editor by CX 2024-05-14

China ZLTECH single shaft 150w 8inch 24V 200RPM 120kg load electric gearless DC drive wheel hub motor for AGV robot motor armature

Guarantee: 3months-1year
Product Quantity: ZLLG80ASM250-L V3.
Use: Robotic, AGV
Torque: 5.5n.m
Construction: Long lasting Magnet
Commutation: Brushless
Defend Attribute: Ip54
Velocity(RPM): 200RPM
Constant Present(A): 6.5A
Efficiency: eighty%
Tire diameter: 200mm
Poles No (Pair): fifteen polos
Load capability: 120kg/2 wheels
Encoder: 4096-wire encoder
Tire: Rubber tire
Precision: ±1RPM
Max torque: 16N.m
Max existing: 19A
Max velocity: 260RPM
Transfer Velocity(m/s): 2.1-2.7
Packaging Specifics: Package deal dimension: 41cm*33cm*23.5cm4pcs per carton Factory immediate source 24V 720W 15Kn Assist customization Unique vibrator for unloading DC vibration motor Dump truck vibrator 14.9kg/4pcs

ZLTECH single shaft 150w 8inch 24V 200RPM 120kg load electrical gearless DC drive wheel hub motor for AGV robot Merchandise Software Parameters & Dimensions Information Gain Comparable Goods Setting & China Manufacture High Precision CNC Turning Milling Aluminum Common Shaft Collar Gear Certifications & Cooparations Packaging & CZPT 2802 Stepper Motor Driver Board Electronic Temperature And Humidity Controller For KCM Transport

Benefits of a Planetary Motor

A planetary motor has many benefits. Its compact design and low noise makes it a good choice for any application. Among its many uses, planetary gear motors are found in smart cars, consumer electronics, intelligent robots, communication equipment, and medical technology. They can even be found in smart homes! Read on to discover the benefits of a planetary gear motor. You’ll be amazed at how versatile and useful it is!

Self-centering planet gears ensure a symmetrical force distribution

A planetary motor is a machine with multiple, interlocking planetary gears. The output torque is inversely proportional to the diameters of the planets, and the transmission size has no bearing on the output torque. A torsional stress analysis of the retaining structure for this type of motor found a maximum shear stress of 64 MPa, which is equivalent to a safety factor of 3.1 for 6061 aluminum. Self-centering planet gears are designed to ensure a symmetrical force distribution throughout the transmission system, with the weakest component being the pinions.
A planetary gearbox consists of ring and sun gears. The pitch diameters of ring and planet gears are nearly equal. The number of teeth on these gears determines the average gear-ratio per output revolution. This error is related to the manufacturing precision of the gears. The effect of this error is a noise or vibration characteristic of the planetary gearbox.
Another design for a planetary gearbox is a traction-based variant. This design eliminates the need for timing marks and other restrictive assembly conditions. The design of the ring gear is similar to that of a pencil sharpener mechanism. The ring gear is stationary while planet gears extend into cylindrical cutters. When placed on the sun’s axis, the pencil sharpening mechanism revolves around the ring gear to sharpen the pencil.
The JDS eliminates the need for conventional planetary carriers and is mated with the self-centering planet gears by dual-function components. The dual-function components synchronize the rolling motion and traction of the gears. They also eliminate the need for a carrier and reduce the force distribution between the rotor and stator.

Metal gears

A planetary motor is a type of electric drive that uses a series of metal gears. These gears share a load attached to the output shaft to generate torque. The planetary motor is often CNC controlled, with extra-long shafts, which allow it to fit into very compact designs. These gears are available in sizes from seven millimeters to 12 millimeters. They can also be fitted with encoders.
Planetary gearing is widely used in various industrial applications, including automobile transmissions, off-road transmissions, and wheel drive motors. They are also used in bicycles to power the shift mechanism. Another use for planetary gearing is as a powertrain between an internal combustion engine and an electric motor. They are also used in forestry applications, such as debarking equipment and sawing. They can be used in other industries as well, such as pulp washers and asphalt mixers.
Planetary gear sets are composed of three types of gears: a sun gear, planet gears, and an outer ring. The sun gear transfers torque to the planet gears, and the planet gears mesh with the outer ring gear. Planet carriers are designed to deliver high-torque output at low speeds. These gears are mounted on carriers that are moved around the ring gear. The planet gears mesh with the ring gears, and the sun gear is mounted on a moveable carrier.
Plastic planetary gear motors are less expensive to produce than their metal counterparts. However, plastic gears suffer from reduced strength, rigidity, and load capacity. Metal gears are generally easier to manufacture and have less backlash. Plastic planetary gear motor bodies are also lighter and less noisy. Some of the largest plastic planetary gear motors are made in collaboration with leading suppliers. When buying a plastic planetary gear motor, be sure to consider what materials it is made of.


The Mega Torque Planetary Encoder DC Geared Motor is designed with a Japanese Mabuchi motor RS-775WC, a 200 RPM base motor. It is capable of achieving stall torque at low speeds, which is impossible to achieve with a simple DC motor. The planetary encoder provides five pulses per revolution, making it perfect for applications requiring precise torque or position. This motor requires an 8mm hex coupling for proper use.
This encoder has a high resolution and is suitable for ZGX38REE, ZGX45RGG and ZGX50RHH. It features a magnetic disc and poles and an optical disc to feed back signals. It can count paulses as the motor passes through a hall on the circuit board. Depending on the gearbox ratio, the encoder can provide up to two million transitions per rotation.
The planetary gear motor uses a planetary gear system to distribute torque in synchrony. This minimizes the risk of gear failure and increases the overall output capacity of the device. On the other hand, a spur gear motor is a simpler design and cheaper to produce. The spur gear motor works better for lower torque applications as each gear bears all the load. As such, the torque capacity of the spur gear motor is lower than that of a planetary gear motor.
The REV UltraPlanetary gearbox is designed for FTC and has three different output shaft options. The output shaft is made of 3/8-inch hex, allowing for flexible shaft replacement. These motors are a great value as they can be used to meet a wide range of power requirements. The REV UltraPlanetary gearbox and motor are available for very reasonable prices and a female 5mm hex output shaft can be used.


One of the most common questions when selecting a planetary motor is “How durable is it?” This is a question that’s often asked by people. The good news is that planetary motors are extremely durable and can last for a long time if properly maintained. For more information, read on! This article will cover the durability and efficiency of planetary gearmotors and how you can choose the best one for your needs.
First and foremost, planetary gear sets are made from metal materials. This increases their lifespan. The planetary gear set is typically made of metals such as nickel-steel and steel. Some planetary gear motors use plastic. Steel-cut gears are the most durable and suitable for applications that require more torque. Nickel-steel gears are less durable, but are better able to hold lubricant.
Durability of planetary motor gearbox is important for applications requiring high torque versus speed. VEX VersaPlanetary gearboxes are designed for FRC(r) use and are incredibly durable. They are expensive, but they are highly customizable. The planetary gearbox can be removed for maintenance and replacement if necessary. Parts for the gearbox can be purchased separately. VEX VersaPlanetary gearboxes also feature a pinion clamped onto the motor shaft.
Dynamic modeling of the planetary gear transmission system is important for understanding its durability. In previous studies, uncoupled and coupled meshing models were used to investigate the effect of various design parameters on the vibration characteristics of the planetary gear system. This analysis requires considering the role of the mesh stiffness, structure stiffness, and moment of inertia. Moreover, dynamic models for planetary gear transmission require modeling the influence of multiple parameters, such as mesh stiffness and shaft location.


The planetary gear motor has multiple contact points that help the rotor rotate at different speeds and torques. This design is often used in stirrers and large vats of liquid. This type of motor has a low initial cost and is more commonly found in low-torque applications. A planetary gear motor has multiple contact points and is more effective for applications requiring high torque. Gear motors are often found in stirring mechanisms and conveyor belts.
A planetary gearmotor is typically made from four mechanically linked rotors. They can be used for various applications, including automotive and laboratory automation. The plastic input stage gears reduce noise at higher speeds. Steel gears can be used for high torques and a modified lubricant is often added to reduce weight and mass moment of inertia. Its low-cost design makes it an excellent choice for robots and other applications.
There are many different types of planetary gear motors available. A planetary gear motor has three gears, the sun gear and planet gears, with each sharing equal amounts of work. They are ideal for applications requiring high torque and low-resistance operation, but they require more parts than their single-stage counterparts. The steel cut gears are the most durable, and are often used in applications that require high speeds. The nickel-steel gears are more absorptive, which makes them better for holding lubricant.
A planetary gear motor is a high-performance electrical vehicle motor. A typical planetary gear motor has a 3000 rpm speed, a peak torque of 0.32 Nm, and is available in 24V, 36V, and 48V power supply. It is also quiet and efficient, requiring little maintenance and offering greater torque to a modern electric car. If you are thinking of buying a planetary gear motor, be sure to do a bit of research before purchasing one.

China ZLTECH single shaft 150w 8inch 24V 200RPM 120kg load electric gearless DC drive wheel hub motor for AGV robot     motor armatureChina ZLTECH single shaft 150w 8inch 24V 200RPM 120kg load electric gearless DC drive wheel hub motor for AGV robot     motor armature
editor by czh 2023-02-22