Tag Archives: electric drive 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.

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

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about shipping cost and estimated delivery time.
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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 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