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Electric Gripper-ERG-20-80

total trip ；20mm clamping force ；80N Maximum clamping load ；1kg Continuous clamping force ；80N Recommended maximum clamping load ；1kg opening and closing time ；0.4S Overall machine weight ；1000g

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ERG Series (Rotating and Clamping Electric Gripper)

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ERG-20-80 (Rotation and Clamping, Dual Axis Servo System)
Dual-Axis Servo · Integrated Rotation & Clamping · Intelligent Motion Control
1. Product Overview
The W-ROBOT ERG-20-80 Dual-Axis Servo System is an innovative actuator that combines rotation and clamping in one compact unit.
Designed for high-performance automation and robotic applications, this module enables synchronized or independent control of rotational and gripping motions, delivering exceptional flexibility and speed in assembly, inspection, and handling processes.
With its compact structure, high torque output, and precision feedback system, the ERG-20-80 supports continuous ±360° rotation and precise force-controlled gripping.
It is an ideal solution for collaborative robots, testing stations, and precision automation platforms that demand both rotational and gripping functionality.
2. Technical Features
Dual-axis independent servo control for rotation and clamping
High torque rotary drive with continuous rotation and accurate positioning
Closed-loop control for precise force and position feedback
Compact and lightweight structure suitable for robot end-effectors
Intelligent communication interface: EtherCAT / Modbus / I/O compatible
Low-noise operation with optimized motion damping algorithm
High-rigidity design ensures long service life and reliability
Modular integration with W-ROBOT linear motion modules
3. Application Fields
The ERG-20-80 Dual-Axis Servo System is widely used in:
Collaborative robot end-effectors (rotary gripper)
Automatic assembly and electronic component insertion systems
Precision testing and inspection equipment
Medical devices and laboratory automation
Automatic loading and unloading or high-speed sorting systems
Optical alignment and laser welding platforms
With dual-axis synchronization and compact design, the ERG-20-80 becomes a key component in modern smart manufacturing and flexible automation.
4. Model Selection & Customization
W-ROBOT offers flexible customization options for the ERG series to meet various application requirements:
Adjustable rotation angle range and torque levels
Multiple gripping strokes and force configurations
Compatible communication interfaces (EtherCAT / Modbus / CANopen)
Customizable flange, mounting, and jaw connection designs
Available integrated multi-motion configurations (Rotation + Gripping + Linear)
Provides 2D/3D CAD models and complete drive parameter files
5. Product Advantages
Integrated design combining rotation and clamping in one compact unit
Synchronized motion control for precise timing between rotation and gripping
High repeatability (±0.02 mm) ensures consistent assembly and inspection accuracy
Fully enclosed design, dustproof and low-maintenance
High compatibility with various robot brands and motion controllers
Intelligent force control for handling fragile or irregularly shaped objects
The ERG-20-80 enhances the stability, precision, and flexibility of advanced robotic and automation systems.
6. Installation & Maintenance
Ensure the mounting flange surface is flat and concentric before installation
Tighten all bolts to the recommended torque
Keep the rotary interface and gripper jaws clean and free from debris
Regularly check servo motor connectors and encoder cables
Avoid operation in high humidity, strong magnetic, or dusty environments
Perform performance and torque calibration every six months
7. Application Cases
Robotic electronic component insertion systems
Automated medical sample handling and rotation mechanisms
Vision calibration and optical alignment platforms
Precision assembly line rotation and fastening units
3C industry screw-tightening and inspection systems
Thanks to its compact dual-axis architecture and precise motion control, the ERG-20-80 is the preferred solution for next-generation smart automation.
8. Learn More
Explore related articles:
W-ROBOT: Dual-Axis Servo Technology Driving the Future of Robotics
The Evolution of Rotary Gripper Integration in Intelligent Automation
Learn about the company:
About W-ROBOT
Service & Support
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Listed below are answers to our most commonly asked questions. Don't see your question?Contact our customer service team. We would be glad to assist you.

FAQ

Listed below are answers to our most commonly asked questions. Don't see your question?Contact our customer service team. We would be glad to assist you.

What are the future development trends of linear modules and linear motors?

In the future, linear modules and linear motors will develop towards higher precision, higher speed, smaller size, intelligence, and integration with other advanced technologies (such as artificial intelligence and the Internet of Things).

What parameters need to be provided for customized linear motors?

It is necessary to provide detailed parameters such as load weight, stroke, speed, acceleration, accuracy requirements, installation method, and operating environment so that the manufacturer can design and manufacture a linear motor that meets the requirements.

How long is the customization cycle of linear modules?

The customization cycle depends on the complexity of the customization and the manufacturer's production capacity, generally about 1-4 weeks. The specific time can be determined by communicating with the manufacturer.

Can linear motors be upgraded?

The performance of linear motors can be improved by upgrading them with high-performance drives, optimizing control system parameters, and improving heat dissipation structures.

Is it easy to upgrade the linear module?

It is relatively easy to upgrade the motor, control system, guide rail and other components of the linear module according to actual needs to improve its performance and accuracy.

What is the after-sales maintenance service of linear motors?

Regular manufacturers usually provide comprehensive after-sales maintenance services, including fault diagnosis, maintenance guidance, parts replacement, etc., but the response speed and quality of after-sales maintenance services may vary from manufacturer to manufacturer.

What is the warranty period for linear modules?

The warranty period of linear modules from different manufacturers varies, generally around 1-2 years. The specific warranty period can be confirmed with the manufacturer at the time of purchase.

What should we pay attention to when integrating linear motors with other equipment?

Attention should be paid to issues such as interface compatibility, signal matching, control logic coordination, and installation space and layout between devices to ensure that the devices can work together.

Can the linear module be integrated with other equipment?

Absolutely. Linear modules can be integrated with other devices such as robots, sensors, and vision systems to build more complex and intelligent automated production lines.

What kind of control system do linear motors require?

Linear motors typically require a high-performance motion control system that can achieve precise position control, speed control, and thrust control, such as a dedicated linear motor drive with a motion control card or a high-end PLC.

Products

Electric Gripper-ERG-20-80

ERG-20-80 (Rotation and Clamping, Dual Axis Servo System)

1. Product Overview

2. Technical Features

3. Application Fields

4. Model Selection & Customization

5. Product Advantages

6. Installation & Maintenance

7. Application Cases

8. Learn More