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Electric Gripper – LEF20-S18

Effective clamping stroke ;18mm Clamping force ;15-40N Clamping speed ;5-50mm/s Repeatability ;±0.02mm

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LEF Series（Electric Gripper）

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Compact · Precise · Reliable Two-Finger Electric Gripping Solution
Ⅰ. Product Overview
The LEF20-S18 Electric Gripper from W-Robot is a compact, high-precision, and fully electric gripping solution designed for modern automation systems. Powered by a direct-drive linear motor, the LEF20-S18 provides fast, smooth, and accurate gripping control, making it ideal for applications that demand repeatability and flexibility.
With its slim, lightweight rod-shaped design, this gripper integrates seamlessly into collaborative robots, desktop automation units, and testing systems. It enables precise force control and stable clamping, providing outstanding performance in electronics, optics, and precision assembly industries.
Ⅱ. Technical Features
Direct Linear Motor Drive: Achieves smooth motion with minimal friction and zero backlash.
Adjustable Gripping Force: Fine-tunable clamping pressure for delicate or rigid components.
Compact Size: Ideal for small automation spaces and multi-axis system integration.
High Repeatability: ±0.01 mm positioning accuracy for precision assembly tasks.
Fast Response Time: Ensures short cycle times in high-speed automation.
Built-in Sensors: Optional position and force feedback sensors for intelligent control.
Low Noise & Long Service Life: Designed for cleanroom and low-maintenance operations.
Ⅲ. Application Fields
The LEF20-S18 Electric Gripper is suitable for a wide range of automation and robotics applications:
Electronics assembly (chip handling, PCB insertion, component placement)
Optical equipment (lens alignment, module assembly)
Medical devices (precise clamping, inspection automation)
Testing systems (positioning, load/unload automation)
Collaborative robots (lightweight end-effector integration)
Educational & research platforms (AI-driven motion experiments)
Ⅳ. Model Selection & Customization
W-Robot offers extensive customization options to adapt the LEF series grippers to your application needs:
Gripping stroke customization (standard 18 mm, optional extended range)
Force and speed configuration for various materials
Optional sensors (position/force/temperature feedback)
Controller and driver compatibility (servo or integrated types)
Mounting interface design for universal robot arms
2D/3D CAD files and detailed manuals available on request
Ⅴ. Product Advantages
Compact and lightweight design, easy to integrate into any system
Electric drive ensures clean, oil-free operation
High precision and repeatability suitable for delicate handling
Adjustable grip force for diverse materials and part sizes
Long operational life with minimal maintenance
Ideal for replacing pneumatic grippers in intelligent automation setups
Ⅵ. Installation & Maintenance
Ensure stable and rigid mounting for optimal gripping accuracy
Maintain cleanliness of the gripper’s moving parts
Avoid high humidity, extreme heat, or magnetic interference
Periodically inspect mechanical alignment and re-calibrate sensors if equipped
Follow torque specifications when installing onto end-effectors or robots
Connect the control signal and power cable according to W-Robot guidelines
Ⅶ. Learn More
Discover more with W-Robot:
Product catalog and CAD resources: www.w-robot.com
Technical article: “Electric Gripper Innovations in Smart Automation”
Contact our application engineers for custom design and integration support
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Ball Screw Linear Actuator – QF6N
Linear Motor Module – VL17
Direct Drive Rotary Motor – DDRE-224-042
Electric Gripper – EPGC Series

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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 – LEF20-S18

Ⅰ. Product Overview

Ⅱ. Technical Features

Ⅲ. Application Fields

Ⅳ. Model Selection & Customization

Ⅴ. Product Advantages

Ⅵ. Installation & Maintenance

Ⅶ. Learn More

Related Products