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Rack and Pinion Linear Module-VG8Z

Reduction Ratio ；1:3 Motor power AC (W) ；750W Repeatability (mm) ；±0.04mm Gear Specification Gear Specification ；2M Maximum Speed (mm/sec) ；2500

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VG Series (Rack & Pinion Modules)

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Rack and Pinion Linear Module – VG8Z
Long Stroke · Heavy Load · Precision Motion Platform
Ⅰ. Product Overview
The VG8Z Rack and Pinion Linear Module from W-Robot is designed for industrial automation systems requiring long-travel, high-load, high-precision linear motion. It employs a robust rack & pinion drive mechanism that converts rotary motion into linear movement with high speed, excellent repeatability and low maintenance.
Ideal for use in gantry systems, material handling equipment, large-scale pick-and-place machines or robotic axes, the VG8Z module delivers a dependable solution for heavy load and long stroke applications. Thanks to its rigid frame, modular design and flexibility in mounting orientation, integration into horizontal, vertical or multi-axis systems is seamless.
Ⅱ. Technical Features
High-Load Capacity Drive: The rack & pinion mechanism allows for large thrusts and extended travel with minimal backlash and high dynamic performance.
Extended Stroke Length: Configurable for long travel distances to suit gantry or transfer applications.
Rigid Structural Frame: Built using high-strength aluminum alloy (or equivalent) for durability and stability under dynamic loads.
Low Maintenance Design: The rack-and-pinion drive offers fewer wearing parts compared to belts or screws, reducing downtime.
Accurate Linear Positioning: Designed for repeatability on the order of ±0.05 mm (typical for this class) and smooth motion with minimal vibration.
Flexible Mounting & Motor Options: Horizontal or vertical installation supported; compatible with servo or stepper motors and standard motion control interfaces.
Modular & Expandable: Easily configured in single axis or multi-axis layouts, and supports custom stroke, motor flange, and carriage options.
Ⅲ. Application Fields
The VG8Z module is suitable for a variety of demanding automation environments:
Large-format gantry systems for material handling or loading/unloading.
Heavy-payload pick-and-place or indexing systems in manufacturing.
Precision inspection equipment requiring long travel and high repeatability.
Automated logistics transfer lines and palletising machines.
Multi-axis robotics with long reach and heavy load demands.
Machine tool auxiliary axes for large parts or work-pieces.
Its combination of long stroke, high load, and precision makes the VG8Z an excellent choice when speed and reliability are required across wide travel distances.
Ⅳ. Model Selection & Customization
W-Robot offers comprehensive customization for the VG Series to align with your system requirements:
Adjustable stroke length, payload rating, and speed/acceleration profile.
Motor mount customization (servo/stepper, flange type) and belt/gear coupling options.
Support for dual-drive carriage, tandem rails or multi-axis (XY/Z) configurations.
Optional covers, dust protection, lubrication ports, and environmental adaptations.
2D/3D CAD drawings and full technical specification files available upon request.
Ⅴ. Product Advantages
High-thrust, long-travel performance in one modular unit.
Rack & pinion drive offers minimal backlash and high repeatability.
Robust mechanical structure ensures long term stability and durability.
Simplified maintenance and lower downtime compared to more complex drive systems.
Flexible integration into various machine layouts and support for high throughput.
Cost-effective solution for large travel or heavy load linear axes.
Ⅵ. Installation & Maintenance
Ensure the mounting surface is flat, rigid and vibration-free before installation.
Correctly align the rack and pinion engagement and maintain appropriate pre-load if required.
Keep carriage, rail and rack surfaces free from debris or contaminants that could affect accuracy.
Periodically inspect for wear on pinion and rack teeth, as well as guide rail condition — recommended every 6–12 months under high-duty conditions.
Avoid excessive side loads or external shocks beyond specification.
Secure all fasteners to the manufacturer's torque values and maintain motor coupling integrity.
Ⅶ. Learn More
For detailed technical data, load capacity charts, CAD models and application support for the VG8Z module, please contact W-Robot at www.w-robot.com or request their engineering documentation.
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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 Linear Module-VG8Z

Rack and Pinion Linear Module – VG8Z

Ⅰ. Product Overview

Ⅱ. Technical Features

Ⅲ. Application Fields

Ⅳ. Model Selection & Customization

Ⅴ. Product Advantages

Ⅵ. Installation & Maintenance

Ⅶ. Learn More

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