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Ball Screw Linear Actuator-QF14

Max Stroke ；420mm Max Load ；110Kg Body Width ；135mm Rep. Precision ；±0.006mm

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QF Series（Ultra Thin、Short Stroke）

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Ball Screw Linear Actuator – QF14
High Load · High Precision · Long Stroke Motion Solution
1. Product Overview
The Willbot QF14 Ball Screw Linear Actuator is a next-generation linear motion module designed for applications requiring high load capacity, long travel, and superior positioning accuracy.
Equipped with a precision-ground ball screw and reinforced aluminum structure, QF14 ensures smooth, stable, and efficient performance even under continuous high-speed operation.
It is ideal for industries that demand both rigidity and accuracy, such as precision assembly, material handling, and automated production systems.
2. Technical Features
High-strength ball screw mechanism with outstanding repeatability
Enhanced rigidity through integrated rail-and-screw design
Long stroke capability with consistent motion accuracy
Optimized motor mount compatible with servo or stepper motors
Optional dust-proof and semi-sealed configurations for harsh environments
Minimal backlash and low-noise operation
High dynamic response for fast acceleration and deceleration
3. Application Fields
The QF14 series is widely applied in:
Semiconductor packaging and electronics production lines
CNC precision machining and optical inspection systems
Laboratory automation and test benches
Robotics and linear motion control systems
Palletizing, conveying, and pick-and-place platforms
Automated assembly and dispensing systems
Its excellent load-bearing capability and precise motion control make it a preferred solution for engineers building high-performance automation systems.
4. Model Selection & Customization
Willbot offers extensive configuration flexibility for the QF14 series:
Custom stroke lengths up to customer-defined requirements
Optional ball screw leads to balance speed and precision
Multiple motor orientations — left, right, or parallel coupling
Integration of encoders, limit sensors, and control interfaces
Support for multi-axis or gantry setups
Custom surface treatments and corrosion-resistant versions
5. Product Advantages
High rigidity: stable operation under heavy payloads
Excellent positioning accuracy: precise motion for critical applications
Modular compatibility: easy integration with various automation platforms
Low maintenance: long lifespan with minimal lubrication intervals
Smooth motion: reduced vibration for enhanced system reliability
Scalable design: suitable for both compact and large-scale systems
The QF14 balances power and precision, making it one of the most versatile actuators in Willbot’s product portfolio.
6. Installation & Maintenance
Mount the actuator on a solid and flat base to ensure linear accuracy
Align the motor shaft and coupling precisely to prevent vibration
Lubricate the ball screw and guide rail at regular intervals
Keep the protective cover clean and functional
Conduct periodic inspections to maintain long-term performance
7. More Information
For detailed specifications, load-speed charts, CAD drawings, and controller compatibility lists,
please contact Willbot’s technical support team.
We provide engineering guidance and customized design services to help you integrate QF14 into your automation system efficiently.
8. Related Products
Ball Screw Linear Actuator – QF12
Ball Screw Linear Actuator – QF13
Fully Sealed Linear Module – VGTH Series
Electric Cylinder
Linear Motor 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-QF14

Ball Screw Linear Actuator – QF14

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