The WILLOBO EG20 Rack and Pinion Linear Module is a heavy-duty, high-precision linear motion system designed for large-stroke and high-load industrial applications. Utilizing a precision-machined rack and pinion drive mechanism, the EG20 provides smooth, backlash-minimized, and long-range linear movement, ensuring stable performance even under continuous operation. This module is ideal for use in gantry robots, large-scale CNC machines, assembly lines, and logistics automation systems that require strong thrust, rigidity, and synchronization accuracy.
Ⅱ. Technical Features
Precision-ground rack and pinion system for long-travel linear motion
High-rigidity structural design suitable for heavy-duty industrial applications
Unlimited stroke capability, scalable to various platform sizes
Compatible with servo, stepper, or geared motor drive systems
Supports dual-drive synchronization to enhance stability and precision
Low noise and low backlash operation for consistent positioning
Durable bearing and guide system for extended service life
Optional protective covers, dust seals, and lubrication systems
Ⅲ. Product Advantages
High rigidity and load-bearing capacity for industrial-grade performance
Unlimited travel length, ideal for long-span automation systems
Precise positioning with minimal vibration and mechanical loss
Easy to maintain, with accessible lubrication and inspection ports
Flexible integration into gantry frames or linear transfer systems
Customizable transmission ratio and mounting interface
Ensures stable and reliable motion under 24-hour operation environments
Ⅳ. Application Fields
The EG20 Rack and Pinion Module is widely used in:
Gantry-type CNC machining centers and cutting systems
Automated welding, laser processing, and drilling machines
Material handling robots and palletizing systems
Large-scale production and assembly lines
Precision inspection, measurement, and vision platforms
High-speed logistics and warehousing systems
Thanks to its long-travel capacity and superior rigidity, EG20 provides a reliable foundation for advanced industrial automation.
Ⅴ. Model Selection & Customization
WILLOBO offers comprehensive customization services for the EG series:
Adjustable rack module size, gear ratio, and stroke length
Optional dual-side drive or central drive configurations
Multiple motor and reducer mounting options
Custom installation orientation (horizontal or vertical)
Integration with limit switches, sensors, and cable routing systems
Full 2D/3D CAD models and technical specification sheets available
Ⅵ. Installation & Maintenance
Ensure the mounting surface is flat, level, and vibration-free
Check gear engagement to avoid backlash and wear
Maintain lubrication of rack teeth and guideways regularly
Inspect alignment and torque settings during installation
Avoid exposure to dust, debris, or corrosive environments
Conduct periodic inspection every 6 months for precision maintenance
For more information about the EG20 Rack and Pinion Linear Module, including detailed specifications, CAD drawings, and application guidance, please visit www.w-robot.com or contact the WILLOBO Technical Support Team.
The EG20 module integrates strength, precision, and scalability, delivering long-distance, high-load, and synchronized linear motion — an optimal solution for modern automation and industrial robotics systems.
Factory Workshop
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.
