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Rack and pinion modules EG16

Max Stroke ；5500mm Max Load ；100Kg Body Width ；160mm Rep. Precision ；±0.05mm

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EG Series (Economic Type, Built-in Round Bar Guide)

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Product Details
Application Cases
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Ⅰ. Product Overview
The WILLOBO EG16 Rack and Pinion Linear Module is a high-precision, heavy-duty linear motion system designed for long-stroke and high-load industrial applications.
By adopting a precision rack-and-pinion transmission structure, the EG16 provides accurate, smooth, and repeatable linear motion over long distances—without the stroke limitations of traditional screw or belt systems.
This module is widely used in large-scale automation equipment, gantry robots, machine tools, and material handling systems, where both torque and rigidity are crucial.
Ⅱ. Technical Features
Precision ground rack and pinion system for long-stroke linear motion
High-rigidity aluminum alloy base with integrated linear guideways
Supports multi-axis synchronization and dual-drive configurations
Compatible with servo motors, stepper motors, or gear reducers
Low backlash and high positional repeatability
Optional protective cover, grease port, or dust-proof seal
Stable performance under continuous high-speed operation
Ⅲ. Product Advantages
Unlimited stroke capability, ideal for extended automation platforms
High load capacity and superior structural stiffness
Smooth motion with low noise and vibration
Low maintenance—simple lubrication and long service life
Flexible integration into gantry, pick-and-place, or CNC systems
Customizable gear ratios to match speed and torque requirements
Cost-effective solution for large-scale linear transmission
Ⅳ. Application Fields
The EG16 Rack and Pinion Module is suitable for:
Gantry-type CNC machines and cutting systems
Automated welding and laser processing equipment
Material handling and palletizing robots
Large-format assembly or testing lines
Automated warehousing and transport systems
Precision positioning platforms requiring long-range motion
Its combination of high rigidity and long-travel precision makes EG16 an excellent choice for industrial automation and heavy-duty robotics.
Ⅴ. Model Selection & Customization
WILLOBO provides flexible customization for the EG series rack-and-pinion modules:
Adjustable rack length, module pitch, and gear ratio
Multiple motor mounting interfaces (left/right/top)
Optional dual-drive synchronization for improved rigidity
Custom limit switch and sensor mounting options
Available in horizontal or vertical installation orientations
2D/3D CAD models and detailed technical datasheets available
Ⅵ. Installation & Maintenance
Ensure the mounting base is flat and rigid for optimal precision
Maintain proper gear alignment during installation
Apply appropriate lubrication to the rack and pinion periodically
Avoid contaminants such as dust or debris entering the gear mesh
Periodically inspect preload and backlash conditions
Use torque specifications for all fasteners during installation
Ⅶ. Related Products
EG10 Rack and Pinion Linear Module
VETB22 Timing Belt Linear Module
VF17 Ball Screw Linear Module
VGTY15 Electric Cylinder Module
VL17 Linear Motor Module
Ⅷ. More Information
For further details about the EG16 Rack and Pinion Linear Module, including technical drawings, 3D CAD models, and application guidance,
please visit www.w-robot.com or contact WILLOBO Technical Support.
The EG16 module combines long-stroke precision, structural strength, and seamless integration, making it the ideal choice for modern intelligent automation systems and large-scale industrial motion control.

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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

Rack and pinion modules EG16

Ⅰ. Product Overview

Ⅱ. Technical Features

Ⅲ. Product Advantages

Ⅳ. Application Fields

Ⅴ. Model Selection & Customization

Ⅵ. Installation & Maintenance

Ⅶ. Related Products

Ⅷ. More Information