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Ball Screw Linear Actuator-QF8

Max Stroke； 420mm Max Load ；30Kg Body Width ；80mm Rep. Precision ；±0.006mm

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QF Series（Ultra Thin、Short Stroke）

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Ball Screw Linear Actuator – QF8
Compact Design · High Precision · Reliable Linear Motion Control
1. Product Overview
The Willbot QF8 Ball Screw Linear Actuator is a high-precision, compact motion module designed for industrial automation, precision assembly, and optical equipment.
It adopts a precision-ground ball screw transmission system and a high-strength linear guide to ensure excellent rigidity, smooth motion, and repeatable accuracy.
With its modular and space-efficient design, the QF8 actuator can be easily integrated into various automation systems, making it ideal for applications that require precise linear movement in limited installation spaces.
It provides stable performance and consistent accuracy even under continuous, high-speed operation.
2. Technical Features
Precision ball screw drive for smooth and accurate motion
Compact and rigid structure suitable for high-speed applications
Low friction design ensures stable, quiet, and efficient operation
Supports servo or stepper motor configurations
High repeatability and minimal backlash
Modular design for easy installation and multi-axis combinations
Compatible with multiple feedback systems and motion controllers
3. Application Fields
The QF8 Ball Screw Linear Actuator is widely used in:
Precision assembly and inspection equipment
Semiconductor and electronics manufacturing
Laser processing and optical alignment systems
Medical testing and analytical automation platforms
Robotics, pick-and-place, and conveying systems
Laboratory automation and measurement devices
Its precise and stable linear performance ensures consistent results across a wide range of demanding automation environments.
4. Model Selection & Customization
Willbot provides flexible customization options for the QF series:
Adjustable stroke length, lead pitch, and travel speed
Customizable load capacity and ball screw specifications
Supports horizontal and vertical installation orientations
Optional motor mounting brackets, couplings, and sensors
Available with dustproof covers and limit switches
Compatible with various servo and motion control systems
Provides detailed 2D/3D drawings and technical data sheets
5. More Information
For detailed specifications, motion curves, or system integration support of the QF8 actuator,
please contact Willbot’s technical service team.
We offer professional engineering consultation, actuator selection, and application design assistance to ensure seamless system performance and optimal motion control.
6. Product Advantages
Compact footprint and lightweight structure
High precision with minimal backlash and vibration
Long service life with low maintenance requirements
Excellent rigidity and repeatability under load
Smooth and quiet motion suitable for clean environments
Ideal for continuous, high-frequency industrial use
The QF8 delivers high reliability, precision, and adaptability — making it an excellent choice for next-generation automation and motion control systems.
7. Installation & Maintenance
Ensure the mounting surface is flat and vibration-free
Keep linear guides and screw clean and well-lubricated
Avoid overloading and side forces on the actuator
Periodically inspect screw tension, lubrication, and alignment
Perform system recalibration every 6 months for optimal precision
Avoid excessive dust, humidity, or corrosive operating environments
8. Learn More
Recommended Articles:
“Willbot’s Precision Motion Systems: Powering the Future of Automation”
“How Linear Motion Redefines Smart Manufacturing Efficiency”
About Willbot:
Company Overview
Service & Support
Related Products:
QF6N Ball Screw Linear Actuator
VGTH12 Fully Enclosed Ball Screw Module
VGTY12 Electric Cylinder Module
VL14 Linear Motor Module
OB4 High-Speed Timing Belt Module

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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 Linear Actuator-QF8

Ball Screw Linear Actuator – QF8

1. Product Overview

2. Technical Features

3. Application Fields

4. Model Selection & Customization

5. More Information

6. Product Advantages

7. Installation & Maintenance

8. Learn More