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Name: Linear Rotary Actuator –ZR-DS6-20
Brand: W-ROBOT

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Linear Rotary Actuator –ZR-DS6-20

Z-Axis Stroke ；20mm Rated/Peak Thrust ；13.3/24.6N Max Payload ；730g

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ZR Series ( Linear Rotary Actuator )

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1. Product Overview

The ZR-DS6-20 Linear Rotary Actuator from W-Robot is a high-performance integrated module that combines linear motion and rotary motion into one compact, servo-driven system. Designed for automation scenarios requiring precise linear displacement and continuous rotation, this actuator is ideal for applications such as assembly automation, screw tightening, component transfer, and pick-and-place systems.

2. Key Features

Dual-Axis Integration: Merges linear and rotational motion for compact, synchronized control.

High Precision: Equipped with closed-loop servo motors for outstanding accuracy and repeatability.

Compact Structure: Small footprint, ideal for limited-space applications in multi-axis robotic arms.

Strong Durability: Constructed with high-strength aluminum alloy and precision bearings for stability.

Customizable Parameters: Stroke length, torque, and speed can be customized upon request.

Low Maintenance: Designed for smooth, long-term operation with minimal servicing required.

3. Technical Specifications

Parameter	Specification
Model	ZR-DS6-20
Motion Type	Linear + Rotary
Stroke	20 mm
Rotation Angle	360° continuous or fixed angle (customizable)
Linear Accuracy	±0.01 mm
Repeatability	±0.005 mm
Torque Output	0.4 – 1.0 N·m (adjustable)
Drive Type	Dual Servo Motor System
Structure Material	Aluminum Alloy + Stainless Steel
Protection Level	IP40–IP65 (optional)

4. Working Principle

The ZR-DS6-20 integrates a dual-axis servo drive, where one motor provides precise linear motion, and the other enables smooth, continuous rotary motion. These axes operate independently or in synchronization, allowing complex movement control such as tightening, assembly, or rotational insertion tasks. The servo feedback ensures closed-loop precision, enhancing positioning accuracy and motion stability.

5. Typical Applications

Automatic screw fastening and insertion systems

Electronic and semiconductor assembly lines

Automated test and inspection stations

Component loading and positioning systems

Precision dispensing and labeling equipment

Robotic arm end-effectors for assembly or material handling

6. Advantages

Two-in-One Motion: Combines linear and rotary functions in a single compact device.

Easy Integration: Standardized interface compatible with industrial robots and motion controllers.

High Efficiency: Reduces component count and simplifies automation system design.

Cost-Effective: Minimizes wiring, installation time, and overall maintenance cost.

High Rigidity: Ensures long-term stability even under high-frequency operations.

7. Customization Options

W-Robot supports a wide range of custom configurations to match specific industry needs:

Custom stroke and rotation angle

Adjustable torque and speed levels

Interface design for special equipment

Control driver or software compatibility optimization

8. Related Products

Discover more precision motion products from W-Robot:

Ball Screw Linear Actuator – QF6N

Ball Screw Module – VGTH5

Linear Motor Module – VL17

Electric Gripper – EPGC Series

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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.