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Ball Screw Module VGTH4

Maximum Stroke ；800mm Maximum Payload ；25Kg Repeatability ；±0.006mm

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VGTH Series（Easy Installation、New Arrivals）

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Ball Screw Module – VGTH4
Fully Sealed Design · Ultra-Compact Body · High Precision Linear Transmission
1. Product Overview
The Willbot VGTH4 Ball Screw Module is a fully enclosed, compact linear motion system designed for applications that demand high precision, long lifespan, and environmental protection.
It integrates a high-precision ball screw, dual linear guide rails, and a fully sealed structure, effectively preventing dust, oil mist, and contaminants from entering the motion unit.
With its miniature size and superior rigidity, VGTH4 is ideal for precision automation fields such as semiconductor manufacturing, optical assembly, and electronic component handling, where clean and reliable operation is essential.
2. Technical Features
Fully sealed aluminum housing to protect internal components from dust and debris
High-precision ground ball screw for smooth and accurate linear motion
Compact body design, suitable for micro-automation and limited installation spaces
Dual-guide structure ensures stability and high load capacity
Low noise, low friction, and maintenance-free operation
Compatible with a variety of servo and stepper motors
Optional stroke customization and motor mounting orientation
Ideal for cleanroom and precision assembly environments
3. Application Fields
The VGTH4 Ball Screw Module is widely applied in:
Semiconductor processing and inspection equipment
Optical alignment and measurement systems
PCB and micro-electronics assembly lines
Laboratory automation and testing devices
Small robotic arms and precision pick-and-place systems
Medical and biotechnological automation platforms
VGTH4 delivers ultra-smooth linear motion, ensuring long-term reliability and repeatable precision in delicate industrial applications.
4. Model Selection & Customization
Willbot provides extensive customization options for the VGTH series, including:
Custom stroke, lead, and travel speed according to application needs
Multiple motor interface configurations (left / right / parallel / direct mount)
Optional covers and connectors for specific environments
Compatible with all major servo drive systems
Optional position sensors, encoders, and limit switches
2D and 3D CAD models available for system integration
5. Product Advantages
Fully sealed and dustproof design for clean environments
Compact form factor with strong mechanical rigidity
High positioning accuracy and repeatability
Quiet operation and long service life
Maintenance-free design for continuous operation
Excellent balance between size, precision, and reliability
The VGTH4 is engineered for precision automation, providing stable, contamination-free performance even in the most demanding conditions.
6. Installation & Maintenance
Ensure a flat, rigid base before module installation
Align screw and guide axes accurately to prevent uneven loading
Keep the sealing strip and housing clean to maintain protection level
Lubrication is pre-applied before shipment; reapply periodically based on usage
Avoid excessive vibration or overloading during operation
Perform routine inspection every 6–12 months for long-term precision stability
7. More Information
For detailed specifications, 3D models, and performance data,
please contact Willbot’s technical support team.
We offer tailored solutions and engineering assistance for your automation system integration.
8. Related Products
Ball Screw Module – VGTH8
Ball Screw Module – VGTH12
Electric Cylinder Module – VGTY8
Linear Motor Module – VGL6
Semi-Sealed Belt Module – VETB22

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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

Ball Screw Module VGTH4

Ball Screw Module – VGTH4

1. Product Overview

2. Technical Features

3. Application Fields

4. Model Selection & Customization

5. Product Advantages

6. Installation & Maintenance

7. More Information

8. Related Products