Tag Archives: robot joint motor

China Hot selling Hollow Shaft Direct Drive Electric Motor Robot Joint BLDC Servo Motor for 110mm Size vacuum pump belt

Product Description

Hollow Shaft Direct drive electric motor robot joint bldc servo motor for 110mm size

Product Description

The outer diameter of this series of joint modules ranges from 40mm to 170mm, with exquisite design and compact structure. The small size includes FOC control board, high-precision multi-turn absolute encoder, frameless torque motor, precision harmonic reducer and other main components , saving customers the labor and time cost of selecting, designing, purchasing, and assembling hundreds of mechanical and electronic components.
 

Product Features

The outer diameter is only 110mm, and the weight is 2.04kg.

The compact size of this product includes FOC control board, high-precision multi-turn absolute encoder, frameless torque motor, precision harmonic reducer and other main components. Low-power encoder with only 46 μA standby current.

Product Parameters

Model TD-80-110-PRO-XX TD-80-110-PRO-XXB
Ratio 50/80/100/120/160 50/80/100/120/160
Start-stop CHINAMFG torque (N.m) 121/169/194/207/217 121/169/194/207/217
Instantaneous maximum torque (N.m) 230/315/351/376/388 230/315/351/376/388
Rated torque (N.m) 68.5/107/133/133 68.5/107/133/133
Output CHINAMFG Speed (RPM) 59/37/30/24/18 59/37/30/24/18
Rated speed (RPM) 52/33/26/17/12 52/33/26/17/12
Motor power (W) 750 750
Supply voltage (V) 24-48 24-48
Rated current (A) 10.4 10.4
Peak current(A) 29.3 29.3
Encoder Resolution (Bit) 17 17
Backlash (arcsec) 20/20/10/10/10 20/20/10/10/10
communication bus CAN CAN
Length(mm) 80.6 107.8
Weight(kg) 2 2.57

 

Packaging & Shipping

Application

This kind of robot joint modules can be used in robots, humanoid robots, and exoskeletons, helping us to quickly build robot arms and greatly shorten the development cycle.

Company Profile

HangZhou CHINAMFG Mechanical&Electrical Equipment Co., Ltd. is a professional manufacturer of Robotic Joint Module. Our factory dedicates to the research of robot joint motor since 2571s, more than 10 years’ experience makes our product quality rank in the leading position in China. Wth an annual output of 80,000 sets of various products for the market, with high precision and stable performance, our robotic joint modules are welcomed by customers from India, Thailand, Iran, South Korea, Russian Federation, Sweden, Ireland, Poland, USA, France and so on.

After Sales Service

1. We accept small order of Joint module;
2. Sample order of Joint module delivery time is in 9 days, mass quantity order lead time is 9-15 days;
3. We can accept payment via paypal, T/T and L/C;
4.Quality assurance of our Joint module is 1 year, and we can provide you professional technical support;

5. We provide free software wand training how to use the products. Engineers are available for technical support.

 

FAQ

Q: Are you trading company or manufacturer?
A: We are manufacturer and trading company.

Q: Can I have a sample order?
A: Yes, we welcome sample order to test and check quality.

Q: How long is your delivery time?
A: Due to the complex process, production takes 8-10 working days. For customized goods, please check with us before order.

Q. How do you ship the goods and how long does it take to arrive?
A: Usually by express, like DHL, UPS, FedEx, EMS or TNT; By air and sea are also available.Express takes 3-15 days to arrive.

Q: What is your terms of payment?
A: We accept Trade Assurance Order, TT, Paypal, West Union and L/C.

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Collaborate Cobot Robot
Operating Speed: Adjust Speed
Excitation Mode: Excited
Samples:
US$ 1182/Piece
1 Piece(Min.Order)

|

Order Sample

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

servo motor

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.

servo motor

How does the accuracy of a servo motor impact the precision of a system it operates in?

The accuracy of a servo motor has a significant impact on the precision of the system in which it operates. Here’s how the accuracy of a servo motor influences the precision of the system:

1. Positioning Control:

The accuracy of a servo motor directly affects the precision of positioning control in a system. A servo motor with high accuracy can accurately and consistently reach and maintain the desired position. This precision in positioning control is crucial in applications where precise movements, such as in robotics or manufacturing processes, are required. If the servo motor lacks accuracy, it may introduce position errors, leading to reduced precision in the system’s overall operation.

2. Repeatability:

Repeatability refers to the ability of a system to consistently achieve the same position or motion repeatedly. The accuracy of a servo motor plays a vital role in achieving high repeatability. A servo motor with high accuracy will consistently return to the same position when commanded to do so. This level of repeatability is essential in applications where consistent and precise movements are necessary, such as in assembly lines or pick-and-place operations. A lack of accuracy in the servo motor can result in variations in position from one cycle to another, reducing the overall precision of the system.

3. Error Compensation:

The accuracy of a servo motor is crucial for error compensation in a system. In many applications, external factors, such as variations in load or environmental conditions, can introduce errors in the system’s operation. An accurate servo motor can help compensate for these errors by precisely adjusting its position or motion based on feedback from sensors. This error compensation capability contributes to maintaining the precision of the system, as the servo motor can continuously adjust to minimize any deviations from the desired position or trajectory.

4. System Stability:

The accuracy of the servo motor also impacts the stability of the system. A servo motor with high accuracy can achieve stable movements and maintain control over the system’s dynamics. It can respond accurately to control signals, preventing overshoot, oscillations, or erratic behaviors that can degrade system precision. On the other hand, a servo motor with lower accuracy may introduce instability or erratic movements, compromising the overall precision of the system.

5. System Calibration and Calibration:

An accurate servo motor simplifies the calibration and fine-tuning process of a system. When a system requires calibration, an accurate servo motor provides a reliable reference point for adjustments. The precise and consistent movements of the servo motor make it easier to calibrate other components or subsystems in the system, ensuring that the entire system operates with the desired precision. If the servo motor lacks accuracy, it can be challenging to calibrate the system effectively, resulting in reduced precision in the system’s operation.

In summary, the accuracy of a servo motor has a direct impact on the precision of the system it operates in. An accurate servo motor enables precise positioning control, high repeatability, effective error compensation, system stability, and simplified calibration processes. These factors collectively contribute to achieving the desired precision in the system’s operation. Therefore, selecting a servo motor with the appropriate level of accuracy is crucial for ensuring the overall precision and performance of the system.

servo motor

Can you explain the difference between a servo motor and a regular electric motor?

A servo motor and a regular electric motor are both types of electric motors, but they have distinct differences in terms of design, control, and functionality.

A regular electric motor, also known as an induction motor or a DC motor, is designed to convert electrical energy into mechanical energy. It consists of a rotor, which rotates, and a stator, which surrounds the rotor and generates a rotating magnetic field. The rotor is connected to an output shaft, and when current flows through the motor’s windings, it creates a magnetic field that interacts with the stator’s magnetic field, resulting in rotational motion.

On the other hand, a servo motor is a more specialized type of electric motor that incorporates additional components for precise control of position, speed, and acceleration. It consists of a regular electric motor, a sensor or encoder, and a feedback control system. The sensor or encoder provides feedback on the motor’s current position, and this information is used by the control system to adjust the motor’s behavior.

The key difference between a servo motor and a regular electric motor lies in their control mechanisms. A regular electric motor typically operates at a fixed speed based on the voltage and frequency of the power supply. In contrast, a servo motor can be controlled to rotate to a specific angle or position and maintain that position accurately. The control system continuously monitors the motor’s actual position through the feedback sensor and adjusts the motor’s operation to achieve the desired position or follow a specific trajectory.

Another distinction is the torque output of the motors. Regular electric motors generally provide high torque at low speeds and lower torque at higher speeds. In contrast, servo motors are designed to deliver high torque at both low and high speeds, which makes them suitable for applications that require precise and dynamic motion control.

Furthermore, servo motors often have a more compact and lightweight design compared to regular electric motors. They are commonly used in applications where precise positioning, speed control, and responsiveness are critical, such as robotics, CNC machines, automation systems, and remote-controlled vehicles.

In summary, while both servo motors and regular electric motors are used to convert electrical energy into mechanical energy, servo motors offer enhanced control capabilities, precise positioning, and high torque at various speeds, making them well-suited for applications that require accurate and dynamic motion control.

China Hot selling Hollow Shaft Direct Drive Electric Motor Robot Joint BLDC Servo Motor for 110mm Size   vacuum pump belt	China Hot selling Hollow Shaft Direct Drive Electric Motor Robot Joint BLDC Servo Motor for 110mm Size   vacuum pump belt
editor by CX 2024-02-11

China manufacturer 142 Robot Joint Motor Hollow Shaft Robot Joint Servo Actuator Rotary Robot Joint Motor with Great quality

Product Description

142 robot joint Motor hollow shaft robot joint servo actuator rotary robot joint motor

 

Product Description

This eRob series robot joint module is a standardized joint module product based on our own servo drives and absolute encoders, based on  years of experience in serving customers, making robot development easier, faster, safer. 

This eRob series robot joint modules include eRob70,eRob80, eRob90,eRob110, eRob142, eRob170 etc, with exquisite design and compact structure.The compact size include servo drivers, motor side absolute value encoder, output side absolute value encoder, and frameless torque motor, brake, precision harmonic reducers and other main components, which save customers hundreds of mechanical and electronic compenents selection, design, producement, assembly labor and time costs. 

Product Features

Save the manpower and time cost of selecting, designing, purchasing and assembling hundreds of mechanical and electronic devices.

This series robot joint module includes Eight core components as below, motor end absolute value encoder, multi-turn absolute encoder at output, Frameless Torque Motor, precise harmonic reducer,Torque sensor, friction brake retainer and DC drive temperature sensor.

Built-in servo driver. Communication protocols
With EtherCAT, CANopen, Modbus communication protocols.
Position,Speed, Current loop PID adjustable online.
Built-in ± 10V analog input.
Pulse and direction, I/O, RS485,
External encoder and STO interface,
All in the space of DxL=70x67mm

Built-in dual absolute encoder. Dual loop position control 
19/20-bit absolute multiturn encoder for output shaft.
Repeatability up to ±7 arc seconds.
Absolute accuracy up to ±15 arc seconds.
Always have real absolute position,
and multi-turn counter when power-off.

Friction brake inside
Brake smooth and stable.
No gap; No backlash.
No need to move when power-on.
No wear and tear.
Can be used as Emergency Stop.

Product Parameters

Model eRob142H
Harmonic reducer-ratio SHG
32-50
SHG
32-80
SHG
32-100
SHG
32-120
Start-stop CHINAMFG torque(N.m) 281 395 433 459
Rated torque(N.m) 99 153 178 178
Momentary allowable maximum torque(N.m) 497 738 841 892
Peak speed of output(RPM) 40 25 20 16.7
Motor power(W) 1000
Rated current(A) 26
Peak current(A) 56
Without brake model Inertia of rotor(g.mm²) 1244894
Outer diameter x length (mm) 142×133.9
Weight(kg) 6.49
With brake model Inertia of rotor(g.mm²) 1273287
Outer diameter x length (mm) 142×133.9
Weight(kg) 6.7
Common parameter Power supply voltage: 48V (±10%), through hole diameter: 18mm, IP class: IP54, brake type: friction damping brake
Optional assembly configuration Communication mode: EtherCAT/CANopen/Modbus, output encoder resolution: 19/20Bit, repeat/absolute positioning accuracy: ±7/±15 arcseconds or ±10/±25 arcseconds

Packaging & Shipping

Packaging list

1. eRob joint module*1
2.48V power connector (2Pin)*2
3.CANopen connector and wiring (3 Pin)*2
4.EtherCAT connector and wiring (4Pin)*2
5.I/O connector and wiring (12Pin)-Optional

Shping list
Shipping list of this series robot joint modules include 1pcs joint module, 2pcs 48V power connector(2pin), 2pcs CANopen connector &wiring, 2pcs EtherCAT connector&wiring(4 pin) and 1pcs I/O connector &wiring(12pin).
Usally,ship by express , delivery time 5-7working days . 

Application

This kind of robot joint modules could be used for Motion Control Scheme for Exoskeleton Robot, Medical Devices Gastrointestinal Endoscopic, Medical rehabilitation robot, Bigdog, Industrial robot arm, welding robot etc.

Company Profile

HangZhou CHINAMFG Mechanical&Electrical Equipment Co., Ltd is a professional manufacturer of  Robotic Joint Module . Our factory dedicates to the research of robot joint motor since 2571s, more than 10 years’ experience makes our product quality rank in the leading position in China. Wth an annual output of 8,000 sets of various products for the market, with high precision and stable performance, our robotic joint modules are welcomed by customers from India, Thailand, Iran, South Korea, Russian Federation, Sweden, Ireland, Poland, USA, France and so on.

 

After Sales Service

1. We accept small order of robot joint modules;
2. Sample order of robot joint modules delivery time is in 10 days, mass quantity order lead time is 7-15 days;
3. We can accept payment via paypal, T/T and L/C;
4.Quality assurance of our robot joint modules is 1 year, and we can provide you professional technical support;
5. We provide free software wand training how to use the robot joint modules. Engineers are available for technical support.
 

FAQ

Q: Are you trading company or manufacturer?
A: We are manufacturer and seller.

Q: Can I have a sample order?
A: Yes, we welcome sample order to test and check quality.

Q: How long is your delivery time?
A: Due to the complex process, production takes 8-10 working days. For customized goods, please check with us before order.

Q. How do you ship the goods and how long does it take to arrive?
A: Usually by express, like DHL, UPS, FedEx, EMS or TNT; By air and sea are also available.
Express takes 3-15 days to arrive.

Q: What is your terms of payment?
A: We accept Trade Assurance Order, TT, Paypal, West Union and L/C.

  /* March 10, 2571 17:59:20 */!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: Low Speed
Excitation Mode: Excited
Samples:
US$ 1180/Piece
1 Piece(Min.Order)

|

Order Sample

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

servo motor

What maintenance practices are recommended for ensuring the longevity of servo motors?

Maintaining servo motors properly is crucial to ensure their longevity and reliable performance. Here are some recommended maintenance practices:

1. Regular Cleaning:

Regularly clean the servo motor to remove dust, debris, and other contaminants that can affect its performance. Use a soft brush or compressed air to clean the motor’s exterior and ventilation ports. Avoid using excessive force or liquid cleaners that could damage the motor.

2. Lubrication:

Follow the manufacturer’s recommendations for lubrication intervals and use the appropriate lubricant for the motor. Lubricate the motor’s bearings, gears, and other moving parts as per the specified schedule. Proper lubrication reduces friction, minimizes wear, and helps maintain optimal performance.

3. Inspections:

Regularly inspect the servo motor for signs of wear, damage, or loose connections. Check for any unusual noises, vibrations, or overheating during operation, as these can indicate potential issues. If any abnormalities are detected, consult the manufacturer’s documentation or seek professional assistance for further evaluation and repair.

4. Electrical Connections:

Ensure that all electrical connections to the servo motor, such as power cables and signal wires, are secure and properly insulated. Loose or damaged connections can lead to electrical problems, voltage fluctuations, or signal interference, which can affect the motor’s performance and longevity.

5. Environmental Considerations:

Take into account the operating environment of the servo motor. Ensure that the motor is protected from excessive moisture, dust, extreme temperatures, and corrosive substances. If necessary, use appropriate enclosures or protective measures to safeguard the motor from adverse environmental conditions.

6. Software and Firmware Updates:

Stay updated with the latest software and firmware releases provided by the servo motor manufacturer. These updates often include bug fixes, performance enhancements, and new features that can improve the motor’s functionality and reliability. Follow the manufacturer’s instructions for safely updating the motor’s software or firmware.

7. Training and Documentation:

Ensure that personnel responsible for the maintenance of servo motors are properly trained and familiar with the manufacturer’s guidelines and documentation. This includes understanding recommended maintenance procedures, safety precautions, and troubleshooting techniques. Regular training and access to up-to-date documentation are essential for effective servo motor maintenance.

8. Professional Servicing:

If a servo motor requires complex repairs or servicing beyond regular maintenance, it is advisable to consult a qualified technician or contact the manufacturer’s service center. Attempting to repair or modify the motor without proper expertise can lead to further damage or safety hazards.

By following these maintenance practices, servo motors can operate optimally and have an extended lifespan. Regular cleaning, lubrication, inspections, secure electrical connections, environmental considerations, software updates, training, and professional servicing all contribute to ensuring the longevity and reliable performance of servo motors.

servo motor

What factors should be considered when selecting a servo motor for a specific application?

When selecting a servo motor for a specific application, several factors need to be considered. These factors help ensure that the chosen servo motor meets the requirements and performs optimally in the intended application. Here are some key factors to consider:

1. Torque and Power Requirements:

One of the primary considerations is the torque and power requirements of the application. The servo motor should be able to generate sufficient torque to handle the load and overcome any resistance or friction in the system. Additionally, the power rating of the motor should match the power supply available in the application. It is essential to evaluate the torque-speed characteristics of the servo motor to ensure it can deliver the required performance.

2. Speed and Acceleration:

The required speed and acceleration capabilities of the servo motor should align with the application’s needs. Different applications have varying speed and acceleration requirements, and the servo motor should be able to meet these demands. It is crucial to consider both the maximum speed that the motor can achieve and the time it takes to accelerate or decelerate to specific speeds. Evaluating the servo motor’s speed-torque characteristics and acceleration capabilities is necessary for selecting the right motor.

3. Positioning Accuracy and Repeatability:

The desired positioning accuracy and repeatability of the application play a significant role in servo motor selection. If precise positioning is crucial, a servo motor with high accuracy and low positioning errors should be chosen. The feedback mechanism, such as encoders or resolvers, should provide the required resolution to achieve the desired accuracy. Repeatability, the ability to consistently reach the same position, should also be considered, especially in applications where repetitive movements are necessary.

4. Environmental Conditions:

The environmental conditions in which the servo motor will operate should be taken into account. Factors such as temperature extremes, humidity, dust, and vibration can affect the motor’s performance and lifespan. In harsh environments, it may be necessary to choose a servo motor with appropriate protection ratings, such as IP (Ingress Protection) ratings, to ensure reliable operation and longevity.

5. Control System Compatibility:

The compatibility of the servo motor with the control system used in the application is crucial. The motor should be compatible with the control signals and communication protocols employed in the system. This includes considerations such as voltage compatibility, control signal types (analog, digital, pulse), and communication interfaces (such as Ethernet, CAN, or Modbus). Ensuring compatibility will facilitate seamless integration and efficient control of the servo motor within the application.

6. Size and Weight Constraints:

The physical size and weight limitations of the application should be considered when selecting a servo motor. The motor’s dimensions should fit within the available space, and its weight should not exceed the application’s weight capacity. Compact and lightweight servo motors may be preferred in applications where space is limited or weight is a critical factor.

7. Cost Considerations:

The cost of the servo motor and its overall value for the application should be evaluated. It is essential to consider the initial purchase cost as well as the long-term maintenance and operational costs. While cost is a factor, it should not be the sole determining factor, as compromising on quality or performance may lead to suboptimal results.

By considering these factors, one can make an informed decision when selecting a servo motor for a specific application. It is recommended to consult with manufacturers or experts in the field to ensure the chosen servo motor meets the application’s requirements and provides reliable and efficient performance.

servo motor

Can you explain the difference between a servo motor and a regular electric motor?

A servo motor and a regular electric motor are both types of electric motors, but they have distinct differences in terms of design, control, and functionality.

A regular electric motor, also known as an induction motor or a DC motor, is designed to convert electrical energy into mechanical energy. It consists of a rotor, which rotates, and a stator, which surrounds the rotor and generates a rotating magnetic field. The rotor is connected to an output shaft, and when current flows through the motor’s windings, it creates a magnetic field that interacts with the stator’s magnetic field, resulting in rotational motion.

On the other hand, a servo motor is a more specialized type of electric motor that incorporates additional components for precise control of position, speed, and acceleration. It consists of a regular electric motor, a sensor or encoder, and a feedback control system. The sensor or encoder provides feedback on the motor’s current position, and this information is used by the control system to adjust the motor’s behavior.

The key difference between a servo motor and a regular electric motor lies in their control mechanisms. A regular electric motor typically operates at a fixed speed based on the voltage and frequency of the power supply. In contrast, a servo motor can be controlled to rotate to a specific angle or position and maintain that position accurately. The control system continuously monitors the motor’s actual position through the feedback sensor and adjusts the motor’s operation to achieve the desired position or follow a specific trajectory.

Another distinction is the torque output of the motors. Regular electric motors generally provide high torque at low speeds and lower torque at higher speeds. In contrast, servo motors are designed to deliver high torque at both low and high speeds, which makes them suitable for applications that require precise and dynamic motion control.

Furthermore, servo motors often have a more compact and lightweight design compared to regular electric motors. They are commonly used in applications where precise positioning, speed control, and responsiveness are critical, such as robotics, CNC machines, automation systems, and remote-controlled vehicles.

In summary, while both servo motors and regular electric motors are used to convert electrical energy into mechanical energy, servo motors offer enhanced control capabilities, precise positioning, and high torque at various speeds, making them well-suited for applications that require accurate and dynamic motion control.

China manufacturer 142 Robot Joint Motor Hollow Shaft Robot Joint Servo Actuator Rotary Robot Joint Motor   with Great quality China manufacturer 142 Robot Joint Motor Hollow Shaft Robot Joint Servo Actuator Rotary Robot Joint Motor   with Great quality
editor by CX 2024-02-07

China Custom Brake Model 48VDC Rotary Robot Joint BLDC Servo Motor 500W Robot Joint Servo Actuator Motor with Great quality

Product Description

Small size Harmonic Drive Robot Joint DC Motor 48V Robot Joint Module Exoskeleton Motor

Product Description

 

The outer diameter of this series of joint modules ranges from 40mm to 170mm, with exquisite design and compact structure. The small size includes FOC control board, high-precision multi-turn absolute encoder, frameless torque motor, precision harmonic reducer and other main components , saving customers the labor and time cost of selecting, designing, purchasing, and assembling hundreds of mechanical and electronic components.
 

Product Features

The smallest size is only 40mm, and the weight is 0.13kg

The compact size of this product includes FOC control board, high-precision multi-turn absolute encoder, frameless torque motor, precision harmonic reducer and other main components

Low-power encoder with only 46 μA standby current.

Product Parameters

Model TD-70-90-PRO-XX TD-70-90-PRO-XXB
Ratio 50/80/100/120 50/80/100/120
Start-stop CHINAMFG torque (N.m) 69/91/102/108 69/91/102/108
Instantaneous maximum torque (N.m) 121/158/182/182 121/158/182/182
Rated torque (N.m) 42/58/91/61 42/58/91/61
Output CHINAMFG Speed (RPM) 80/65/40/35 80/65/40/35
Rated speed (RPM) 61/38/30/24 61/38/30/24
Motor power (W) 500 500
Supply voltage (V) 24-48 24-48
Rated current (A) 8.4 8.4
Peak current(A) 24 24
Encoder Resolution (Bit) 17 17
Backlash (arcsec) 20/20/10/10 20/20/10/10
communication bus CAN CAN
Length(mm) 72.6 96.6
Weight(kg) 1.25 1.67

 

Packaging & Shipping

Application

This kind of robot joint modules can be used in robots, humanoid robots, and exoskeletons, helping us to quickly build robot arms and greatly shorten the development cycle.

Company Profile

HangZhou CHINAMFG Mechanical&Electrical Equipment Co., Ltd. is a professional manufacturer of Robotic Joint Module. Our factory dedicates to the research of robot joint motor since 2571s, more than 10 years’ experience makes our product quality rank in the leading position in China. Wth an annual output of 80,000 sets of various products for the market, with high precision and stable performance, our robotic joint modules are welcomed by customers from India, Thailand, Iran, South Korea, Russian Federation, Sweden, Ireland, Poland, USA, France and so on.

After Sales Service

1. We accept small order of Joint module;
2. Sample order of Joint module delivery time is in 9 days, mass quantity order lead time is 9-15 days;
3. We can accept payment via paypal, T/T and L/C;
4.Quality assurance of our Joint module is 1 year, and we can provide you professional technical support;

5. We provide free software wand training how to use the products. Engineers are available for technical support.

 

FAQ

Q: Are you trading company or manufacturer?
A: We are manufacturer and trading company.

Q: Can I have a sample order?
A: Yes, we welcome sample order to test and check quality.

Q: How long is your delivery time?
A: Due to the complex process, production takes 8-10 working days. For customized goods, please check with us before order.

Q. How do you ship the goods and how long does it take to arrive?
A: Usually by express, like DHL, UPS, FedEx, EMS or TNT; By air and sea are also available.Express takes 3-15 days to arrive.

Q: What is your terms of payment?
A: We accept Trade Assurance Order, TT, Paypal, West Union and L/C.

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Industial Robot
Operating Speed: Adjust Speed
Excitation Mode: Excited
Function: Driving
Casing Protection: Closed Type
Number of Poles: 2
Samples:
US$ 976/Piece
1 Piece(Min.Order)

|

servo motor

Where can individuals find reliable resources for learning more about servo motors and their applications?

Individuals interested in learning more about servo motors and their applications can access a variety of reliable resources. These resources provide valuable information, technical knowledge, and practical insights. Here are some places where individuals can find reliable resources for expanding their understanding of servo motors:

1. Manufacturer Websites:

Leading servo motor manufacturers often provide detailed documentation, technical specifications, application notes, and white papers on their websites. These resources offer in-depth information about their products, technologies, and best practices for servo motor applications. Users can visit the websites of prominent manufacturers to access reliable and up-to-date information.

2. Industry Associations and Organizations:

Industry associations and organizations related to automation, robotics, or specific industries often offer educational materials and resources on servo motors. They may provide technical publications, webinars, seminars, and training programs focused on servo motor technology and applications. Examples of such organizations include the International Society of Automation (ISA), the Robotics Industries Association (RIA), and the Society of Automotive Engineers (SAE).

3. Books and Technical Publications:

Books dedicated to servo motor technology, control systems, and industrial automation can provide comprehensive knowledge on the subject. Some recommended titles include “Servo Motors and Industrial Control Theory” by Riazollah Firoozian, “Electric Motors and Drives: Fundamentals, Types, and Applications” by Austin Hughes and Bill Drury, and “Servo Motors and Motion Control: An Introduction” by Albert F. Seabury. Technical publications and journals such as IEEE Transactions on Industrial Electronics and Control Engineering Practice also offer valuable insights and research findings.

4. Online Courses and Training Platforms:

Various online learning platforms offer courses and training programs focused on servo motors and their applications. Websites like Udemy, Coursera, and LinkedIn Learning provide access to video-based courses taught by industry experts. These courses cover topics such as servo motor fundamentals, motion control, programming, and troubleshooting. By enrolling in these courses, individuals can acquire structured knowledge and practical skills related to servo motors.

5. Technical Forums and Discussion Groups:

Participating in technical forums and discussion groups can be an effective way to learn from industry professionals and enthusiasts. Websites like Stack Exchange, Reddit, and engineering-focused forums host discussions on servo motors, where individuals can ask questions, share experiences, and gain insights from the community. It’s important to verify the credibility of the information shared in such forums and rely on responses from trusted contributors.

6. Trade Shows and Conferences:

Attending trade shows, exhibitions, and conferences related to automation, robotics, or specific industries can provide opportunities to learn about servo motors. These events often feature presentations, workshops, and demonstrations by industry experts and manufacturers. Participants can gain hands-on experience, interact with professionals, and stay updated with the latest advancements in servo motor technology.

By leveraging these reliable resources, individuals can deepen their knowledge and understanding of servo motors and their applications. It is advisable to consult multiple sources and cross-reference information to ensure a comprehensive understanding of the subject.

servo motor

What factors should be considered when selecting a servo motor for a specific application?

When selecting a servo motor for a specific application, several factors need to be considered. These factors help ensure that the chosen servo motor meets the requirements and performs optimally in the intended application. Here are some key factors to consider:

1. Torque and Power Requirements:

One of the primary considerations is the torque and power requirements of the application. The servo motor should be able to generate sufficient torque to handle the load and overcome any resistance or friction in the system. Additionally, the power rating of the motor should match the power supply available in the application. It is essential to evaluate the torque-speed characteristics of the servo motor to ensure it can deliver the required performance.

2. Speed and Acceleration:

The required speed and acceleration capabilities of the servo motor should align with the application’s needs. Different applications have varying speed and acceleration requirements, and the servo motor should be able to meet these demands. It is crucial to consider both the maximum speed that the motor can achieve and the time it takes to accelerate or decelerate to specific speeds. Evaluating the servo motor’s speed-torque characteristics and acceleration capabilities is necessary for selecting the right motor.

3. Positioning Accuracy and Repeatability:

The desired positioning accuracy and repeatability of the application play a significant role in servo motor selection. If precise positioning is crucial, a servo motor with high accuracy and low positioning errors should be chosen. The feedback mechanism, such as encoders or resolvers, should provide the required resolution to achieve the desired accuracy. Repeatability, the ability to consistently reach the same position, should also be considered, especially in applications where repetitive movements are necessary.

4. Environmental Conditions:

The environmental conditions in which the servo motor will operate should be taken into account. Factors such as temperature extremes, humidity, dust, and vibration can affect the motor’s performance and lifespan. In harsh environments, it may be necessary to choose a servo motor with appropriate protection ratings, such as IP (Ingress Protection) ratings, to ensure reliable operation and longevity.

5. Control System Compatibility:

The compatibility of the servo motor with the control system used in the application is crucial. The motor should be compatible with the control signals and communication protocols employed in the system. This includes considerations such as voltage compatibility, control signal types (analog, digital, pulse), and communication interfaces (such as Ethernet, CAN, or Modbus). Ensuring compatibility will facilitate seamless integration and efficient control of the servo motor within the application.

6. Size and Weight Constraints:

The physical size and weight limitations of the application should be considered when selecting a servo motor. The motor’s dimensions should fit within the available space, and its weight should not exceed the application’s weight capacity. Compact and lightweight servo motors may be preferred in applications where space is limited or weight is a critical factor.

7. Cost Considerations:

The cost of the servo motor and its overall value for the application should be evaluated. It is essential to consider the initial purchase cost as well as the long-term maintenance and operational costs. While cost is a factor, it should not be the sole determining factor, as compromising on quality or performance may lead to suboptimal results.

By considering these factors, one can make an informed decision when selecting a servo motor for a specific application. It is recommended to consult with manufacturers or experts in the field to ensure the chosen servo motor meets the application’s requirements and provides reliable and efficient performance.

servo motor

Can servo motors be used in robotics, and if so, how are they implemented?

Yes, servo motors are commonly used in robotics due to their precise control capabilities and suitability for a wide range of robotic applications. When implementing servo motors in robotics, several factors need to be considered. Here’s an overview of how servo motors are used and implemented in robotics:

1. Joint Actuation:

Servo motors are often used to actuate the joints of robotic systems. Each joint in a robot typically requires a motor to control its movement. Servo motors provide the necessary torque and angular control to accurately position the joint. They can rotate between specific angles, allowing the robot to achieve the desired configuration and perform precise movements.

2. Position Control:

Servo motors excel at position control, which is essential for robotics applications. They can accurately maintain a specific position and respond quickly to control signals. By incorporating servo motors in robotic joints, precise positioning control can be achieved, enabling the robot to perform tasks with accuracy and repeatability.

3. Closed-Loop Control:

Implementing servo motors in robotics involves utilizing closed-loop control systems. Feedback sensors, such as encoders or resolvers, are attached to the servo motors to provide real-time feedback on the motor’s position. This feedback is used to continuously adjust the motor’s behavior and ensure accurate positioning. Closed-loop control allows the robot to compensate for any errors or disturbances and maintain precise control over its movements.

4. Control Architecture:

In robotics, servo motors are typically controlled using a combination of hardware and software. The control architecture encompasses the control algorithms, microcontrollers or embedded systems, and communication interfaces. The control system receives input signals, such as desired joint positions or trajectories, and generates control signals to drive the servo motors. The control algorithms, such as PID control, are used to calculate the appropriate adjustments based on the feedback information from the sensors.

5. Kinematics and Dynamics:

When implementing servo motors in robotics, the kinematics and dynamics of the robot must be considered. The kinematics deals with the study of the robot’s motion and position, while the dynamics focuses on the forces and torques involved in the robot’s movement. Servo motors need to be properly sized and selected based on the robot’s kinematic and dynamic requirements to ensure optimal performance and stability.

6. Integration and Programming:

Servo motors in robotics need to be integrated into the overall robot system. This involves mechanical mounting and coupling the motors to the robot’s joints, connecting the feedback sensors, and integrating the control system. Additionally, programming or configuring the control software is necessary to define the desired movements and control parameters for the servo motors. This programming can be done using robot-specific programming languages or software frameworks.

By utilizing servo motors in robotics and implementing them effectively, robots can achieve precise and controlled movements. Servo motors enable accurate positioning, fast response times, and closed-loop control, resulting in robots that can perform tasks with high accuracy, repeatability, and versatility. Whether it’s a humanoid robot, industrial manipulator, or collaborative robot (cobot), servo motors play a vital role in their actuation and control.

China Custom Brake Model 48VDC Rotary Robot Joint BLDC Servo Motor 500W Robot Joint Servo Actuator Motor   with Great quality China Custom Brake Model 48VDC Rotary Robot Joint BLDC Servo Motor 500W Robot Joint Servo Actuator Motor   with Great quality
editor by CX 2024-02-05

China supplier Kah-40cl3ne AC Servo Actuator for Collaborative Robots Premium Quality Harmonic Drive Actuator Joint Actuator Motor for Robot vacuum pump oil near me

Product Description

Product Description

Hollow shaft rotary actuators

                                                                                           KAH series hollow shaft rotary actuators
Main features

1.KAH series hollow shaft rotary actuator provides large-torque and high-precision rotary actuation. With integrated design, processing and assembly technique, it is provided with high precision speed reducer, framework torque motor, hollow shaft high resolution absolute encoder, brake and intelligent sensor.
2.It provides high torque output and torque density, for example, the torque of KAH-40 rotary actuator can reach 800N·m.
3.The positioning precision of rotary actuator is within 30 Arc sec.
4.An internal through hole is set to facilitate threading wires, gas pipe and laser beams and simplify system structure.
5.Dozens of product models are provided to meet diversified needs, and the products with 220 VAC, 110 VAC and 48 VAC voltages are available.
6.The high protection grade (IP67) makes the product applicable to severe working environment.
8.It can be used by matching with KDE series EtherCAT bus servo drives to realize ultra-low vibration controland reliable and stable operation. It provides an integrated drive control solution.
 

Applications

The products have been widely used in such fields as electronic and semiconductor equipment, precision machine tool, factory automation systems, precision laser processing device, LED equipment, detection device, medical apparatus and instruments, robot and special mechanical arm, printing machinery, spray painting equipment, glass processing equipment, precision measuring instrument and other fields.

Model

 

Specifications

KAH-40 encoder Specification parameter
Series KAH40
Model KAH 40A 40B 40C 40D 40E
Deceleration ratio 1:51 1:81 1:101 1:121 1:161
Maximum torque starting &stopping(N·M) 497 641 702 762 800
Instantaneous maximum torque(N·M) 242 351 460 557 557
AC voltage 220VAC Maximum speed RPM 76.5 48.1 38.6 32.2 24.2
Rated speed RPM 43.1 27.2 21.8 18.2 13.7
Maximum current Arms 22.79 18.51 16.26 14.73 11.62
Rated current Arms 8.67 7.92 8.32 8.41 6.32
Torque constant N·M/Arms 27.91 44.32 55.26 66.23 88.09
Motor phase resistance Ohms 1.571
Motor phase inductance mH 3.026
Motor Back EMF Vrms/kRPM 50.87
AC voltage 1100VAC Maximum speed RPM 52.9 33.3 26.7 22.3 16.8
Rated speed RPM 35.3 22.2 17.8 14.9 11.2
Maximum current Arms 35.85 29.12 25.58 23.17 18.29
Rated current Arms 14.55 13.29 13.97 14.11 10.61
Torque constant N·M/Arms 16.63 26.41 32.93 9.47 52.5
Motor phase resistance Ohms 0.53
Motor phase inductance mH 1.207
Motor Back EMF Vrms/kRPM 44.96
AC voltage 480VAC Maximum speed RPM 35.30 22.20 17.80 14.90 11.20
Rated speed RPM 29.40 18.50 14.90 12.40 9.30
Maximum current Arms 72.66 75.06 51.81 46.98 37.05
Rated current Arms 35.38 41.10 33.95 34.34 25.82
Torque constant N·M/Arms 6.84 8.54 13.55 16.22 21.59
Motor phase resistance Ohms 0.139
Motor phase inductance mH 0.207
Motor Back EMF Vrms/kRPM 17.48
Absolute Encoder Encoder Type Hollow absolute multiturn encoders ,Single-loop 19,22or24, multiturn16
Encoder resolution Motor(1time)rotation 219(524,288),222(4,194.304)or224(16777216)
Motor multiple rotation counter 215(65.536)
Incremental Encoder resolution Hollow incremental encoder,40000impulse/rpm(4 time signal)
encoder Output shaft resolution pulse/rev 2040000 3240000 4040000 4840000 6440000
uniderection positioning accuracy Arc Sec 60 40 40 40 40
Bidirectional positioning accuracy Arc Min 2 1.5 1 1 1
Overturning stiffness ×104 N·m /rad 120.5 157.4
Torsional stiffness ×104 N·m /rad 14 18.6
Moment of inertia without Brake Kg*m2 3.91 9.86 15.36 22.68 39.86
with Brake Kg*m2 4.62 12.03 18.39 26.35 47.50
Weight without Brake Kg 9.1
with Brake Kg 9.7
Motor Grade 16
Motor insulation Heat resistance grade :F(155ºC)
Insulation resistance:above200MΩ(DC500V)
Dielectric Strength:AC1500V/1min
Protection grade Fully closed self cooling type(IP65/IP67 degree)

Photos
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Motor, Machinery
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Samples:
US$ 3000/Piece
1 Piece(Min.Order)

|

Order Sample

Customization:
Available

|

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

servo motor

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.

servo motor

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.

servo motor

Can you explain the difference between a servo motor and a regular electric motor?

A servo motor and a regular electric motor are both types of electric motors, but they have distinct differences in terms of design, control, and functionality.

A regular electric motor, also known as an induction motor or a DC motor, is designed to convert electrical energy into mechanical energy. It consists of a rotor, which rotates, and a stator, which surrounds the rotor and generates a rotating magnetic field. The rotor is connected to an output shaft, and when current flows through the motor’s windings, it creates a magnetic field that interacts with the stator’s magnetic field, resulting in rotational motion.

On the other hand, a servo motor is a more specialized type of electric motor that incorporates additional components for precise control of position, speed, and acceleration. It consists of a regular electric motor, a sensor or encoder, and a feedback control system. The sensor or encoder provides feedback on the motor’s current position, and this information is used by the control system to adjust the motor’s behavior.

The key difference between a servo motor and a regular electric motor lies in their control mechanisms. A regular electric motor typically operates at a fixed speed based on the voltage and frequency of the power supply. In contrast, a servo motor can be controlled to rotate to a specific angle or position and maintain that position accurately. The control system continuously monitors the motor’s actual position through the feedback sensor and adjusts the motor’s operation to achieve the desired position or follow a specific trajectory.

Another distinction is the torque output of the motors. Regular electric motors generally provide high torque at low speeds and lower torque at higher speeds. In contrast, servo motors are designed to deliver high torque at both low and high speeds, which makes them suitable for applications that require precise and dynamic motion control.

Furthermore, servo motors often have a more compact and lightweight design compared to regular electric motors. They are commonly used in applications where precise positioning, speed control, and responsiveness are critical, such as robotics, CNC machines, automation systems, and remote-controlled vehicles.

In summary, while both servo motors and regular electric motors are used to convert electrical energy into mechanical energy, servo motors offer enhanced control capabilities, precise positioning, and high torque at various speeds, making them well-suited for applications that require accurate and dynamic motion control.

China supplier Kah-40cl3ne AC Servo Actuator for Collaborative Robots Premium Quality Harmonic Drive Actuator Joint Actuator Motor for Robot   vacuum pump oil near me		China supplier Kah-40cl3ne AC Servo Actuator for Collaborative Robots Premium Quality Harmonic Drive Actuator Joint Actuator Motor for Robot   vacuum pump oil near me
editor by CX 2024-02-02

China factory CHINAMFG Low Price for Micro Adjustible Gear Speed Motor for Robot Joint Servo vacuum pump and compressor

Product Description

 

 

Product Description

Model:  ZWBMD571571-711
Rated Voltage: 3V
No Load Speed: 26rpm
No load current: 40mA
Rated Speed: 22rpm
Rated Current: 100mA
Rated Torque: 296.9g.cm
Overall Length : 30.9mm
Rated Torque of Gear Box: 330g.cm
Instant Torque of Gear Box: 800g.cm
Gear Ratio: 711:1
Gear Box Length: 16.9mm
 

Specifications:

Model Application Parameters Rated Torque of Gear Box Instant Torque of Gear Box Gear Ratio Gear Box Length
L1
Rated At No Load At Rated Load Overall Length
L
Voltage Speed Current Speed Current Torque
VDC rpm mA rpm mA gf.cm mN.m mm gf.cm gf.cm mm
ZWBMD006006-110 3.0 166 37 140 100 54.3 5.33 28.5 330 800 110.6 14.5
ZWBMD006006-148 3.0 124 37 105 100 72.8 7.14 28.5 330 800 148.1 14.5
ZWBMD006006-198 3.0 93 37 78 100 97.5 9.56 28.5 330 800 198.4 14.5
ZWBMD006006-266 3.0 69 37 58 100 130.5 12.80 28.5 330 800 265.7 14.5
ZWBMD006006-531 3.0 35 40 29 100 221.7 21.74 30.9 330 800 530.8 16.9
ZWBMD006006-711 3.0 26 40 21 100 296.9 29.12 30.9 330 800 711.0 16.9
ZWBMD006006-952 3.0 19 40 16 95 330 32.36 30.9 330 800 952.2 16.9
ZWBMD006006-1275 3.0 14 40 12 85 330 32.36 30.9 330 800 1275.2 16.9
ZWBMD006006-1708 3.0 11 40 10 75 330 32.36 30.9 330 800 1707.9 16.9

above specifications just for reference and customizable according to requirements.

Please let us know your requirements and we will provide you with micro transmission solutions.

2D Drawing

Detailed Photos

 

 

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

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

/* March 10, 2571 17:59:20 */!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, Camera
Operating Speed: Low Speed
Excitation Mode: Permanent Magnet
Function: Control
Casing Protection: Drip-Proof
Number of Poles: 2
Samples:
US$ 90/Piece
1 Piece(Min.Order)

|

Customization:
Available

|

servo motor

Where can individuals find reliable resources for learning more about servo motors and their applications?

Individuals interested in learning more about servo motors and their applications can access a variety of reliable resources. These resources provide valuable information, technical knowledge, and practical insights. Here are some places where individuals can find reliable resources for expanding their understanding of servo motors:

1. Manufacturer Websites:

Leading servo motor manufacturers often provide detailed documentation, technical specifications, application notes, and white papers on their websites. These resources offer in-depth information about their products, technologies, and best practices for servo motor applications. Users can visit the websites of prominent manufacturers to access reliable and up-to-date information.

2. Industry Associations and Organizations:

Industry associations and organizations related to automation, robotics, or specific industries often offer educational materials and resources on servo motors. They may provide technical publications, webinars, seminars, and training programs focused on servo motor technology and applications. Examples of such organizations include the International Society of Automation (ISA), the Robotics Industries Association (RIA), and the Society of Automotive Engineers (SAE).

3. Books and Technical Publications:

Books dedicated to servo motor technology, control systems, and industrial automation can provide comprehensive knowledge on the subject. Some recommended titles include “Servo Motors and Industrial Control Theory” by Riazollah Firoozian, “Electric Motors and Drives: Fundamentals, Types, and Applications” by Austin Hughes and Bill Drury, and “Servo Motors and Motion Control: An Introduction” by Albert F. Seabury. Technical publications and journals such as IEEE Transactions on Industrial Electronics and Control Engineering Practice also offer valuable insights and research findings.

4. Online Courses and Training Platforms:

Various online learning platforms offer courses and training programs focused on servo motors and their applications. Websites like Udemy, Coursera, and LinkedIn Learning provide access to video-based courses taught by industry experts. These courses cover topics such as servo motor fundamentals, motion control, programming, and troubleshooting. By enrolling in these courses, individuals can acquire structured knowledge and practical skills related to servo motors.

5. Technical Forums and Discussion Groups:

Participating in technical forums and discussion groups can be an effective way to learn from industry professionals and enthusiasts. Websites like Stack Exchange, Reddit, and engineering-focused forums host discussions on servo motors, where individuals can ask questions, share experiences, and gain insights from the community. It’s important to verify the credibility of the information shared in such forums and rely on responses from trusted contributors.

6. Trade Shows and Conferences:

Attending trade shows, exhibitions, and conferences related to automation, robotics, or specific industries can provide opportunities to learn about servo motors. These events often feature presentations, workshops, and demonstrations by industry experts and manufacturers. Participants can gain hands-on experience, interact with professionals, and stay updated with the latest advancements in servo motor technology.

By leveraging these reliable resources, individuals can deepen their knowledge and understanding of servo motors and their applications. It is advisable to consult multiple sources and cross-reference information to ensure a comprehensive understanding of the subject.

servo motor

Are there different types of servo motors, and how do they differ?

Yes, there are different types of servo motors available, each with its own characteristics and applications. The variations among servo motors can be attributed to factors such as construction, control mechanisms, power requirements, and performance specifications. Let’s explore some of the common types of servo motors and how they differ:

1. DC Servo Motors:

DC servo motors are widely used in various applications. They consist of a DC motor combined with a feedback control system. The control system typically includes a position or velocity feedback sensor, such as an encoder or a resolver. DC servo motors offer good speed and torque control and are often employed in robotics, automation, and hobbyist projects. They can be operated with a separate motor driver or integrated into servo motor units with built-in control electronics.

2. AC Servo Motors:

AC servo motors are designed for high-performance applications that require precise control and fast response times. They are typically three-phase motors and are driven by sinusoidal AC waveforms. AC servo motors often incorporate advanced control algorithms and feedback systems to achieve accurate position, velocity, and torque control. These motors are commonly used in industrial automation, CNC machines, robotics, and other applications that demand high precision and dynamic performance.

3. Brushed Servo Motors:

Brushed servo motors feature a traditional brushed DC motor design. They consist of a rotor with a commutator and carbon brushes that make physical contact with the commutator. The brushes provide electrical connections, allowing the motor’s magnetic field to interact with the rotor’s windings. Brushed servo motors are known for their simplicity and cost-effectiveness. However, they may require more maintenance due to brush wear, and they generally have lower efficiency and shorter lifespan compared to brushless servo motors.

4. Brushless Servo Motors:

Brushless servo motors, also known as brushless DC (BLDC) motors, offer several advantages over brushed motors. They eliminate the need for brushes and commutators, resulting in improved reliability, higher efficiency, and longer lifespan. Brushless servo motors rely on electronic commutation, typically using Hall effect sensors or encoder feedback for accurate rotor position detection. These motors are widely used in robotics, industrial automation, aerospace, and other applications that require high-performance motion control with minimal maintenance.

5. Linear Servo Motors:

Linear servo motors are designed to provide linear motion instead of rotational motion. They consist of a primary part (stator) and a secondary part (slider or forcer) that interact magnetically to generate linear motion. Linear servo motors offer advantages such as high speed, high acceleration, and precise positioning along a linear axis. They find applications in various industries, including semiconductor manufacturing, packaging, printing, and machine tools.

6. Micro Servo Motors:

Micro servo motors are small-sized servo motors often used in applications with limited space and low power requirements. They are commonly found in hobbyist projects, model airplanes, remote-controlled vehicles, and small robotic systems. Micro servo motors are lightweight, compact, and offer reasonable precision and control for their size.

These are some of the different types of servo motors available, each catering to specific applications and requirements. The choice of servo motor type depends on factors such as the desired performance, accuracy, power requirements, environmental conditions, and cost considerations. Understanding the differences between servo motor types is essential for selecting the most suitable motor for a particular application.

servo motor

What is a servo motor, and how does it function in automation systems?

A servo motor is a type of motor specifically designed for precise control of angular or linear position, velocity, and acceleration. It is widely used in various automation systems where accurate motion control is required. Let’s explore the concept of servo motors and how they function in automation systems:

A servo motor consists of a motor, a position feedback device (such as an encoder or resolver), and a control system. The control system receives input signals, typically in the form of electrical pulses or analog signals, indicating the desired position or speed. Based on these signals and the feedback from the position sensor, the control system adjusts the motor’s operation to achieve the desired motion.

The functioning of a servo motor in an automation system involves the following steps:

  1. Signal Input: The automation system provides a control signal to the servo motor, indicating the desired position, speed, or other motion parameters. This signal can be generated by a human operator, a computer, a programmable logic controller (PLC), or other control devices.
  2. Feedback System: The servo motor incorporates a position feedback device, such as an encoder or resolver, which continuously monitors the motor’s actual position. This feedback information is sent back to the control system, allowing it to compare the actual position with the desired position specified by the input signal.
  3. Control System: The control system, typically housed within the servo motor or an external servo drive, receives the input signal and the feedback from the position sensor. It processes this information and generates the appropriate control signals to the motor.
  4. Motor Operation: Based on the control signals received from the control system, the servo motor adjusts its operation to achieve the desired motion. The control system varies the motor’s voltage, current, or frequency to control the motor’s speed, torque, or position accurately.
  5. Closed-Loop Control: Servo motors operate in a closed-loop control system. The feedback information from the position sensor allows the control system to continuously monitor and adjust the motor’s operation to minimize any deviation between the desired position and the actual position. This closed-loop control mechanism provides high accuracy, repeatability, and responsiveness in motion control applications.

One of the key advantages of servo motors in automation systems is their ability to provide precise and dynamic motion control. They can rapidly accelerate, decelerate, and change direction with high accuracy, allowing for intricate and complex movements. Servo motors are widely used in applications such as robotics, CNC machines, printing presses, packaging equipment, and automated manufacturing systems.

In summary, a servo motor is a specialized motor that enables accurate control of position, velocity, and acceleration in automation systems. Through the combination of a control system and a position feedback device, servo motors can precisely adjust their operation to achieve the desired motion. Their closed-loop control mechanism and high responsiveness make them an essential component in various applications requiring precise and dynamic motion control.

China factory CHINAMFG Low Price for Micro Adjustible Gear Speed Motor for Robot Joint Servo   vacuum pump and compressor	China factory CHINAMFG Low Price for Micro Adjustible Gear Speed Motor for Robot Joint Servo   vacuum pump and compressor
editor by CX 2024-02-01

China Good quality Tinsmith High Torque BLDC Robot Arm Joint Module Electric Brushless Cobot Actuator Hollow Shaft Frameless Thin Waterproof DC Servo Robotic Harmonic Drive Motor with Hot selling

Product Description

Tinsmith High Torque BLDC Robot Arm Joint Motor Electric Brushless Cobot Driver Actuator Module Hollow Shaft Frameless Waterproof DC Servo Motor

Product Description

 

The outer diameter of this series of joint modules ranges from 40mm to 170mm, with exquisite design and compact structure. The small size includes FOC control board, high-precision multi-turn absolute encoder, frameless torque motor, precision harmonic reducer and other main components , saving customers the labor and time cost of selecting, designing, purchasing, and assembling hundreds of mechanical and electronic components.
 

Product Features

The smallest size is only 40mm, and the weight is 0.13kg

The compact size of this product includes FOC control board, high-precision multi-turn absolute encoder, frameless torque motor, precision harmonic reducer and other main components

Low-power encoder with only 46 μA standby current.

Product Parameters

Model TD-70-90-PRO-XX TD-70-90-PRO-XXB
Ratio 50/80/100/120 50/80/100/120
Start-stop CHINAMFG torque (N.m) 69/91/102/108 69/91/102/108
Instantaneous maximum torque (N.m) 121/158/182/182 121/158/182/182
Rated torque (N.m) 42/58/91/61 42/58/91/61
Output CHINAMFG Speed (RPM) 80/65/40/35 80/65/40/35
Rated speed (RPM) 61/38/30/24 61/38/30/24
Motor power (W) 500 500
Supply voltage (V) 24-48 24-48
Rated current (A) 8.4 8.4
Peak current(A) 24 24
Encoder Resolution (Bit) 17 17
Backlash (arcsec) 20/20/10/10 20/20/10/10
communication bus CAN CAN
Length(mm) 72.6 96.6
Weight(kg) 1.25 1.67

 

Packaging & Shipping

Application

This kind of robot joint modules can be used in robots, humanoid robots, and exoskeletons, helping us to quickly build robot arms and greatly shorten the development cycle.

Company Profile

HangZhou CHINAMFG Mechanical&Electrical Equipment Co., Ltd. is a professional manufacturer of Robotic Joint Module. Our factory dedicates to the research of robot joint motor since 2571s, more than 10 years’ experience makes our product quality rank in the leading position in China. Wth an annual output of 80,000 sets of various products for the market, with high precision and stable performance, our robotic joint modules are welcomed by customers from India, Thailand, Iran, South Korea, Russian Federation, Sweden, Ireland, Poland, USA, France and so on.

After Sales Service

1. We accept small order of Joint module;
2. Sample order of Joint module delivery time is in 9 days, mass quantity order lead time is 9-15 days;
3. We can accept payment via paypal, T/T and L/C;
4.Quality assurance of our Joint module is 1 year, and we can provide you professional technical support;

5. We provide free software wand training how to use the products. Engineers are available for technical support.

FAQ

Q: Are you trading company or manufacturer?
A: We are manufacturer and trading company.

Q: Can I have a sample order?
A: Yes, we welcome sample order to test and check quality.

Q: How long is your delivery time?
A: Due to the complex process, production takes 8-10 working days. For customized goods, please check with us before order.

Q. How do you ship the goods and how long does it take to arrive?
A: Usually by express, like DHL, UPS, FedEx, EMS or TNT; By air and sea are also available.Express takes 3-15 days to arrive.

Q: What is your terms of payment?
A: We accept Trade Assurance Order, TT, Paypal, West Union and L/C.

Application: Industial Robot
Operating Speed: Adjust Speed
Excitation Mode: Excited
Samples:
US$ 1045/Piece
1 Piece(Min.Order)

|

Order Sample

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

servo motor

What role does the controller play in the overall performance of a servo motor?

The controller plays a crucial role in the overall performance of a servo motor system. It is responsible for monitoring and regulating the motor’s operation to achieve the desired motion and maintain system stability. Let’s explore in detail the role of the controller in the performance of a servo motor:

1. Motion Control:

The controller is responsible for generating precise control signals that dictate the motor’s speed, torque, and position. It receives input commands from the user or higher-level control system and translates them into appropriate control signals for the servo motor. By accurately controlling the motor’s motion, the controller enables precise positioning, smooth acceleration and deceleration, and the ability to follow complex trajectories. The controller’s effectiveness in generating accurate and responsive control signals directly impacts the motor’s motion control capabilities.

2. Feedback Control:

The controller utilizes feedback from position sensors, such as encoders, to monitor the motor’s actual position, speed, and other parameters. It compares the desired motion profile with the actual motor behavior and continuously adjusts the control signals to minimize any deviations or errors. This closed-loop feedback control mechanism allows the controller to compensate for disturbances, variations in load conditions, and other factors that may affect the motor’s performance. By continuously monitoring and adjusting the control signals based on feedback, the controller helps maintain accurate and stable motor operation.

3. PID Control:

Many servo motor controllers employ Proportional-Integral-Derivative (PID) control algorithms to regulate the motor’s behavior. PID control calculates control signals based on the error between the desired setpoint and the actual motor response. The proportional term responds to the present error, the integral term accounts for accumulated past errors, and the derivative term considers the rate of change of the error. By tuning the PID parameters, the controller can achieve optimal performance in terms of response time, stability, and steady-state accuracy. Properly configured and tuned PID control greatly influences the servo motor’s ability to follow commands accurately and efficiently.

4. Trajectory Planning:

In applications requiring complex motion profiles or trajectories, the controller plays a vital role in trajectory planning. It determines the optimal path and speed profile for the motor to follow, taking into account constraints such as acceleration limits, jerk limits, and mechanical limitations. The controller generates the required control signals to achieve the desired trajectory, ensuring smooth and precise motion. Effective trajectory planning by the controller enhances the motor’s performance in applications that involve intricate or high-speed movements.

5. System Monitoring and Protection:

The controller monitors various parameters of the servo motor system, including temperature, current, voltage, and other diagnostic information. It incorporates protective measures to prevent damage or excessive stress on the motor. The controller can implement safety features such as overcurrent protection, over-temperature protection, and fault detection mechanisms. By actively monitoring and safeguarding the motor and the system, the controller helps prevent failures, prolongs the motor’s lifespan, and ensures safe and reliable operation.

6. Communication and Integration:

The controller facilitates communication and integration with other components or systems within the overall automation setup. It may support various communication protocols, such as Ethernet, CAN bus, or fieldbus protocols, enabling seamless integration with higher-level control systems, human-machine interfaces (HMIs), or other peripheral devices. The controller’s ability to efficiently exchange data and commands with other system components allows for coordinated and synchronized operation, enhancing the overall performance and functionality of the servo motor system.

In summary, the controller plays a vital role in the overall performance of a servo motor system. It enables precise motion control, utilizes feedback for closed-loop control, implements PID control algorithms, plans complex trajectories, monitors system parameters, and facilitates communication and integration. The controller’s capabilities and effectiveness directly impact the motor’s performance in terms of accuracy, responsiveness, stability, and overall system efficiency.

servo motor

How does the accuracy of a servo motor impact the precision of a system it operates in?

The accuracy of a servo motor has a significant impact on the precision of the system in which it operates. Here’s how the accuracy of a servo motor influences the precision of the system:

1. Positioning Control:

The accuracy of a servo motor directly affects the precision of positioning control in a system. A servo motor with high accuracy can accurately and consistently reach and maintain the desired position. This precision in positioning control is crucial in applications where precise movements, such as in robotics or manufacturing processes, are required. If the servo motor lacks accuracy, it may introduce position errors, leading to reduced precision in the system’s overall operation.

2. Repeatability:

Repeatability refers to the ability of a system to consistently achieve the same position or motion repeatedly. The accuracy of a servo motor plays a vital role in achieving high repeatability. A servo motor with high accuracy will consistently return to the same position when commanded to do so. This level of repeatability is essential in applications where consistent and precise movements are necessary, such as in assembly lines or pick-and-place operations. A lack of accuracy in the servo motor can result in variations in position from one cycle to another, reducing the overall precision of the system.

3. Error Compensation:

The accuracy of a servo motor is crucial for error compensation in a system. In many applications, external factors, such as variations in load or environmental conditions, can introduce errors in the system’s operation. An accurate servo motor can help compensate for these errors by precisely adjusting its position or motion based on feedback from sensors. This error compensation capability contributes to maintaining the precision of the system, as the servo motor can continuously adjust to minimize any deviations from the desired position or trajectory.

4. System Stability:

The accuracy of the servo motor also impacts the stability of the system. A servo motor with high accuracy can achieve stable movements and maintain control over the system’s dynamics. It can respond accurately to control signals, preventing overshoot, oscillations, or erratic behaviors that can degrade system precision. On the other hand, a servo motor with lower accuracy may introduce instability or erratic movements, compromising the overall precision of the system.

5. System Calibration and Calibration:

An accurate servo motor simplifies the calibration and fine-tuning process of a system. When a system requires calibration, an accurate servo motor provides a reliable reference point for adjustments. The precise and consistent movements of the servo motor make it easier to calibrate other components or subsystems in the system, ensuring that the entire system operates with the desired precision. If the servo motor lacks accuracy, it can be challenging to calibrate the system effectively, resulting in reduced precision in the system’s operation.

In summary, the accuracy of a servo motor has a direct impact on the precision of the system it operates in. An accurate servo motor enables precise positioning control, high repeatability, effective error compensation, system stability, and simplified calibration processes. These factors collectively contribute to achieving the desired precision in the system’s operation. Therefore, selecting a servo motor with the appropriate level of accuracy is crucial for ensuring the overall precision and performance of the system.

servo motor

How does feedback control work in a servo motor system?

In a servo motor system, feedback control plays a crucial role in achieving precise control over the motor’s position, speed, and acceleration. The feedback control loop consists of several components that work together to continuously monitor and adjust the motor’s behavior based on the desired and actual position information. Here’s an overview of how feedback control works in a servo motor system:

1. Position Reference:

The servo motor system starts with a position reference or a desired position. This can be specified by a user or a control system, depending on the application requirements. The position reference represents the target position that the servo motor needs to reach and maintain.

2. Feedback Sensor:

A feedback sensor, such as an encoder or resolver, is attached to the servo motor’s shaft. The purpose of the feedback sensor is to continuously measure the motor’s actual position and provide feedback to the control system. The sensor generates signals that indicate the motor’s current position, allowing the control system to compare it with the desired position.

3. Control System:

The control system receives the position reference and the feedback signals from the sensor. It processes this information to determine the motor’s current position error, which is the difference between the desired position and the actual position. The control system calculates the required adjustments to minimize this position error and bring the motor closer to the desired position.

4. Controller:

The controller is a key component of the feedback control loop. It receives the position error from the control system and generates control signals that govern the motor’s behavior. The controller adjusts the motor’s inputs, such as voltage or current, based on the position error and control algorithm. The control algorithm can be implemented using various techniques, such as proportional-integral-derivative (PID) control, which adjusts the motor’s inputs based on the current error, the integral of past errors, and the rate of change of errors.

5. Motor Drive:

The control signals generated by the controller are sent to the motor drive unit, which amplifies and converts these signals into appropriate voltage or current levels. The motor drive unit provides the necessary power and control signals to the servo motor to initiate the desired motion. The drive unit adjusts the motor’s inputs based on the control signals to achieve the desired position, speed, and acceleration specified by the control system.

6. Motor Response:

As the motor receives the adjusted inputs from the motor drive, it starts to rotate and move towards the desired position. The motor’s response is continually monitored by the feedback sensor, which measures the actual position in real-time.

7. Feedback Comparison:

The feedback sensor compares the actual position with the desired position. If there is any deviation, the sensor generates feedback signals reflecting the discrepancy between the desired and actual positions. These signals are fed back to the control system, allowing it to recalculate the position error and generate updated control signals to further adjust the motor’s behavior.

This feedback loop continues to operate in a continuous cycle, with the control system adjusting the motor’s inputs based on the feedback information. As a result, the servo motor can accurately track and maintain the desired position, compensating for any disturbances or variations that may occur during operation.

In summary, feedback control in a servo motor system involves continuously comparing the desired position with the actual position using a feedback sensor. The control system processes this position error and generates control signals, which are converted and amplified by the motor drive unit to drive the motor. The motor’s response is monitored by the feedback sensor, and any discrepancies are fed back to the control system, enabling it to make further adjustments. This closed-loop control mechanism ensures precise positioning and accurate control of the servo motor.

China Good quality Tinsmith High Torque BLDC Robot Arm Joint Module Electric Brushless Cobot Actuator Hollow Shaft Frameless Thin Waterproof DC Servo Robotic Harmonic Drive Motor   with Hot selling	China Good quality Tinsmith High Torque BLDC Robot Arm Joint Module Electric Brushless Cobot Actuator Hollow Shaft Frameless Thin Waterproof DC Servo Robotic Harmonic Drive Motor   with Hot selling
editor by CX 2023-10-23

China GBM10025 High Quality High Torque Brushless DC Motor DD Servo Motor with Slip Ring and Encoder for Industrial Robot Arm Joint motor driver

Warranty: 3months-1year
Model Number: PM120
Usage: Car, Electric Bicycle, FAN, Home Appliance, SMART HOME, Robot
Type: Brushless Motor
Torque: 6.00N.M
Construction: Permanent Magnet
Commutation: Brushless
Protect Feature: Totally Enclosed
Speed(RPM): 140rpm
Continuous Current(A): 4.00A
Efficiency: Ie 3
Color: Black
Size: 120*53mm
Certification: CCC
Packaging Details: white box
Port: HangZhou, ZheJiang , HangZhou

Our company has a good support for customization, welcome to contact us.This motor integrates a 22mm slip ring in the motor hole. The number of slip rings is 12 lines. It has a built-in AS5048A encoder and reserved PWM and SPI interfaces.The shell has been reinforced and optimized. The motor will not be deformed when it is directly loaded with 25kg. It is convenient for you to use, and it is the best choice for making large-scale PTZ robotic arms. Torque can up to 6NM. Specification

Item NamePM120
Nominal VoltageV24
Nominal CurrentA4
Nominal TorqueN.M6
Nominal Speedrpm270
Max Speedrpm24V, 270; 48V, 480
Stall TorqueN.M6.90
Stall CurrentA11.20
Winding Turns of MotorT20
Wire DiameterMM0.3
Wire ConnectY
Phase to Phase ResitanceΩ2.50
Phase to Phase IndutancemH66.00
Speed Constantrpm/V12
Torque ConstantN.M/A0.76
Rotor Inertiagcm^24656
Number of Pole Pairs21
Motor Weightg1300
Recommend Motro Loadkg25
Working Temperature°C-40°C~85°C
Encoder TypeAS5048A
Encoder ResolutionBit14
Slip Ring SizeMM22
Recommend Products Company Profile Product packaging FAQ Q: Are you a factory supplier?A: Yes, we are a factory and have our own R&D team.Q:what is your terms of payment ? A: We support L/C, T/T, and Alibaba trade assurance.Q: How soon can I receive your reply for inquiry?A: Within 24 hours.Q: How about your company’s quality control?A: We have professionals to strictly control each process of production. At the same time we can offer the technical support and spare parts for the repair if any quality problems, and will follow the problems until you are satisfied.Q: How is your warranty service?A: We pay high attention to after-sales service. For ensuring all the items are in good quality, we will test all productsstrictly before shipping. If the goods have any quality problem, please send us pictures or video clips via email, we will solve the problems as soon as we can.Q: Do you have plan to develop agent ?A: We welcome professional and qualified institutions to distribute our products, we will provide you with comprehensive support.Q: Can you provide OEM or ODM service? What about MOQ?A: Both OEM and ODM are welcomed, we have our own team to develop and produce products; The MOQ depends on your requirements.Q: What about the product packing?A: Our regular packing is white box. If the quantity is large enough, we can customize the packaging according to your needs.Q: Do you provide free sample?A: Generally we don’t provide free sample, but we can return the sample fee after you place formal orders.

The Benefits of Using a Gear Motor

A gear motor works on the principle of conservation of angular momentum. As the smaller gear covers more RPM and the larger gear produces more torque, the ratio between the two is greater than one. Similarly, a multiple gear motor follows the principle of energy conservation, with the direction of rotation always opposite to the one that is adjacent to it. It’s easy to understand the concept behind gear motors and the various types available. Read on to learn about the different types of gears and their applications.

Electric motor

The choice of an electric motor for gear motor is largely dependent on the application. There are various motor and gearhead combinations available, and some are more efficient than others. However, it is critical to understand the application requirements and select a motor that meets these needs. In this article, we’ll examine some of the benefits of using a gear motor. The pros and cons of each type are briefly discussed. You can buy new gear motors at competitive prices, but they aren’t the most reliable or durable option for your application.
To determine which motor is best for your application, you’ll need to consider the load and speed requirements. A gear motor’s efficiency (e) can be calculated by taking the input and output values and calculating their relation. On the graph below, the input (T) and output (P) values are represented as dashed lines. The input (I) value is represented as the torque applied to the motor shaft. The output (P) is the amount of mechanical energy converted. A DC gear motor is 70% efficient at 3.75 lb-in / 2,100 rpm.
In addition to the worm gear motor, you can also choose a compact DC worm gear motor with a variable gear ratio from 7.5 to 80. It has a range of options and can be custom-made for your specific application. The 3-phase AC gear motor, on the other hand, works at a rated power of one hp and torque of 1.143.2 kg-m. The output voltage is typically 220V.
Another important factor is the output shaft orientation. There are two main orientations for gearmotors: in-line and offset. In-line output shafts are most ideal for applications with high torque and short reduction ratios. If you want to avoid backlash, choose a right angle output shaft. An offset shaft can cause the output shaft to become excessively hot. If the output shaft is angled at a certain angle, it may be too large or too small.
Motor

Gear reducer

A gear reducer is a special kind of speed reducing motor, usually used in large machinery, such as compressors. These reducers have no cooling fan and are not designed to handle heavy loads. Different purposes require different service factors. For instance, a machine that requires frequent fast accelerations and occasional load spikes needs a gear reducer with a high service factor. A gear reducer that’s designed for long production shifts should be larger than a machine that uses it for short periods of time.
A gear reducer can reduce the speed of a motor by a factor of two. The reduction ratio changes the rotation speed of the receiving member. This change in speed is often required to solve problems of inertia mismatch. The torque density of a gear reducer is measured in newton meters and will depend on the motor used. The first criterion is the configuration of the input and output shafts. A gear ratio of 2:1, for example, means that the output speed has been cut in half.
Bevel gear reducers are a good option if the input and output shafts are perpendicular. This type is very robust and is perfect for situations where the angle between two axes is small. However, bevel gear reducers are expensive and require constant maintenance. They are usually used in heavy-duty conveyors and farm equipment. The correct choice of gear reducer for gear motor is crucial for the efficiency and reliability of the mechanism. To get the best gear reducer for your application, talk to a qualified manufacturer today.
Choosing a gear reducer for a gear motor can be tricky. The wrong one can ruin an entire machine, so it’s important to know the specifics. You must know the torque and speed requirements and choose a motor with the appropriate ratio. A gear reducer should also be compatible with the motor it’s intended for. In some cases, a smaller motor with a gear reducer will work better than a larger one.
Motor

Motor shaft

Proper alignment of the motor shaft can greatly improve the performance and life span of rotating devices. The proper alignment of motors and driven instruments enhances the transfer of energy from the motor to the instrument. Incorrect alignment leads to additional noise and vibration. It may also lead to premature failure of couplings and bearings. Misalignment also results in increased shaft and coupling temperatures. Hence, proper alignment is critical to improve the efficiency of the driven instrument.
When choosing the correct type of gear train for your motor, you need to consider its energy efficiency and the torque it can handle. A helical geared motor is more efficient for high output torque applications. Depending on the required speed and torque, you can choose between an in-line and a parallel helical geared motor. Both types of gears have their advantages and disadvantages. Spur gears are widespread. They are toothed and run parallel to the motor shaft.
A planetary gear motor can also have a linear output shaft. A stepping motor should not operate at too high current to prevent demagnetization, which will lead to step loss or torque drop. Ensure that the motor and gearbox output shafts are protected from external impacts. If the motor and gearbox are not protected against bumps, they may cause thread defects. Make sure that the motor shafts and rotors are protected from external impacts.
When choosing a metal for your gear motor’s motor shaft, you should consider the cost of hot-rolled bar stock. Its outer layers are more difficult to machine. This type of material contains residual stresses and other problems that make it difficult to machine. For these applications, you should choose a high-strength steel with hard outer layers. This type of steel is cheaper, but it also has size considerations. It’s best to test each material first to determine which one suits your needs.
In addition to reducing the speed of your device, a geared motor also minimizes the torque generated by your machine. It can be used with both AC and DC power. A high-quality gear motor is vital for stirring mechanisms and conveyor belts. However, you should choose a geared motor that uses high-grade gears and provides maximum efficiency. There are many types of planetary gear motors and gears on the market, and it’s important to choose the right one.
Motor

First stage gears

The first stage gears of a gear motor are the most important components of the entire device. The motor’s power transmission is 90% efficient, but there are many factors that can affect its performance. The gear ratios used should be high enough to handle the load, but not too high that they are limiting the motor’s speed. A gear motor should also have a healthy safety factor, and the lubricant must be sufficient to overcome any of these factors.
The transmission torque of the gear changes with its speed. The transmission torque at the input side of the gear decreases, transferring a small torque to the output side. The number of teeth and the pitch circle diameters can be used to calculate the torque. The first stage gears of gear motors can be categorized as spur gears, helical gears, or worm gears. These three types of gears have different torque capacities.
The first stage helical gear is the most important part of a gear motor. Its function is to transfer rotation from one gear to the other. Its output is the gearhead. The second stage gears are connected by a carrier. They work in tandem with the first stage gear to provide the output of the gearhead. Moreover, the first stage carrier rotates in the same direction as the input pinion.
Another important component is the output torque of the gearmotor. When choosing a gearmotor, consider the starting torque, running torque, output speed, overhung and shock loads, duty cycles, and more. It is crucial to choose a gearmotor with the right ratio for the application. By choosing the proper gearmotor, you will get maximum performance with minimal operating costs and increase plant productivity. For more information on first stage gears, check out our blog.
The first stage of a gear motor is composed of a set of fixed and rotating sprockets. The first stage of these gears acts as a drive gear. Its rotational mass is a limiting factor for torque. The second stage consists of a rotating shaft. This shaft rotates in the direction of the torque axis. It is also the limiting force for the motor’s torque.

China GBM10025 High Quality High Torque Brushless DC Motor DD Servo Motor with Slip Ring and Encoder for Industrial Robot Arm Joint     motor driver	China GBM10025 High Quality High Torque Brushless DC Motor DD Servo Motor with Slip Ring and Encoder for Industrial Robot Arm Joint     motor driver
editor by czh