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VDX90 Direct Drive Rotary Motor

Motor width: 200mm Motor height: 100mm Mounting hole spacing: 160mm (center distance) Mover length: Standard length 300mm Stator cross-section: 90×100mm rectangular cross-section

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VDX Series (Coreless Linear Motor)

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Product Details
Application Cases
Related downloads

High Torque · Zero Backlash · Precision Motion Control
Ⅰ. Product Overview
The VDX90 Direct Drive Rotary Motor from W-Robot is a coreless, high-torque rotary motor designed for ultra-precise motion control applications. Utilizing direct-drive technology with a coreless stator and U-shaped magnetic circuit, the VDX90 delivers zero-backlash performance, high acceleration, and exceptional repeatability.
This motor eliminates traditional mechanical transmission components such as gears or belts, resulting in superior smoothness, high dynamic response, and maintenance-free operation. The compact and efficient structure makes it ideal for robotic joints, semiconductor equipment, and precision rotary positioning systems where motion accuracy and reliability are critical.
Ⅱ. Technical Features
Coreless design – eliminates cogging torque for smooth, vibration-free rotation.
Direct-drive mechanism – zero backlash and high stiffness for precise motion control.
High torque density – compact structure with powerful torque output for limited installation space.
Superior heat dissipation – enhanced thermal path ensures stable operation under continuous load.
High dynamic response – supports rapid acceleration and deceleration for demanding motion profiles.
Low noise operation – optimized electromagnetic design ensures quiet and stable rotation.
Ⅲ. Application Fields
The VDX90 Direct Drive Rotary Motor is widely applied in advanced automation and precision machinery, including:
Semiconductor wafer handling and inspection systems
Precision rotary tables and indexing mechanisms
Collaborative robots (cobots) and industrial robot joints
CNC rotary axes and laser processing equipment
Optical alignment and metrology systems
Automation platforms requiring high torque and zero backlash
Its coreless precision design and direct-drive efficiency make it the ideal choice for manufacturers pursuing high-accuracy, high-durability motion solutions.
Ⅳ. Model Selection & Customization
W-Robot provides flexible customization to match your specific application requirements:
Custom torque and speed specifications
Shaft and flange designs adapted to various encoder and motor configurations
Cooling and housing options (air or water-cooled designs)
Encoder integration (optical or magnetic) for precision feedback
Multi-axis integration support for rotary positioning systems
CAD models (2D/3D) and full datasheet available upon request
Ⅴ. Product Advantages
High torque-to-size ratio for compact automation systems
Zero mechanical transmission for maintenance-free operation
Ultra-smooth motion with zero cogging torque
Exceptional reliability and long service life
Flexible integration for both standalone and multi-axis configurations
Ideal for high-precision industrial automation, semiconductor, and robotics
Ⅵ. Installation & Maintenance
Ensure the mounting base is flat and vibration-free before installation
Verify alignment accuracy between the motor shaft and driven load
Use specified torque values when tightening bolts to avoid deformation
Maintain a clean environment to prevent dust accumulation on encoder and rotor surfaces
Inspect performance periodically to ensure torque and accuracy remain stable
Avoid exposure to strong magnetic fields or high humidity environments
Ⅶ. Learn More
Explore more with W-Robot:
Product catalog and CAD downloads at www.w-robot.com
Technical article: “Coreless Direct Drive Motors in Precision Automation”
Contact W-Robot’s technical team for professional selection guidance and integration support
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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

VDX90 Direct Drive Rotary Motor

High Torque · Zero Backlash · Precision Motion Control

Ⅰ. Product Overview

Ⅱ. Technical Features

Ⅲ. Application Fields

Ⅳ. Model Selection & Customization

Ⅴ. Product Advantages

Ⅵ. Installation & Maintenance

Ⅶ. Learn More

Related Products