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Direct Drive Rotary Motor-DDRE-163-92

Motor Size ；163(D)*92(H)mm Cont Torque ；11.7 N.m Peak Torque ；35N.m Cont/Peak CUR ；3/9A-rms

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DDRE Series (External Rotor Motor)

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DDRE-163-92 Direct Drive Rotary Motor
High Torque · Large Aperture · Ultra-Precision Motion Control
Ⅰ. Product Overview
The DDRE-163-92 from W-Robot is a high-torque, large-aperture direct drive rotary motor designed for applications demanding exceptional precision, stability, and responsiveness. With an outer diameter of 163 mm and an inner hollow shaft of 92 mm, this model delivers superior torque density and mechanical rigidity, making it ideal for robotic joints, rotary stages, and semiconductor manufacturing equipment.
The direct-drive architecture eliminates the need for traditional transmission mechanisms such as belts, gears, or reducers, thereby eliminating backlash and minimizing friction and noise. Its large through-hole design provides space for cable routing, vision systems, or fluid lines, enabling efficient and compact machine layouts for next-generation automation.
Ⅱ. Technical Features
Direct-Drive Operation: Zero backlash and high stiffness for ultra-smooth rotation and precise positioning.
Large Hollow Shaft (Ø92 mm): Enables internal passage for cables, pneumatic lines, or optical paths.
High Torque Density: Optimized electromagnetic structure delivers strong torque with minimal heat generation.
Ultra-Low Cogging Design: Ensures smooth motion even at low speeds, ideal for inspection and optical applications.
Compact and Rigid Housing: 163 mm frame for easy integration into dense mechanical systems.
Encoder Compatibility: Supports absolute and incremental encoders for micron-level accuracy.
Maintenance-Free: No belts or lubrication required — clean, quiet, and reliable operation.
Ⅲ. Application Fields
The DDRE-163-92 is a preferred choice for advanced automation systems requiring precise and direct torque transmission. Common applications include:
Collaborative and industrial robot joints
Rotary indexing tables and precision turntables
Semiconductor wafer handling and lithography systems
Optical and laser processing machinery
Medical device assembly and automation equipment
Precision inspection and measurement platforms
Its excellent repeatability, quiet operation, and compact integration make it ideal for industries pursuing higher throughput and positioning accuracy.
Ⅳ. Model Selection & Customization
W-Robot provides multiple customization options for the DDRE Series to optimize system performance:
Encoder options: Absolute / Incremental / High-resolution serial encoders
Torque and speed tuning for specific load conditions
Shaft and flange customization for seamless integration
Cooling methods: natural convection, forced air, or liquid-cooled versions
Optional integrated servo driver for compact embedded applications
Multi-axis system solutions (rotary + linear motion combinations)
Ⅴ. Product Advantages
Zero-backlash motion for precise angular positioning
Large 92 mm hollow shaft simplifies cable management and system design
High torque output suitable for heavy payloads
Smooth, vibration-free motion ideal for optical and cleanroom environments
Compact, rigid structure with simplified installation
No maintenance required, ensuring long-term operational stability
Ⅵ. Installation & Maintenance
Install on a stable and vibration-free base to ensure accuracy.
Apply recommended torque to all fasteners for reliable assembly.
Keep the mounting surface and hollow shaft clean from debris or dust.
Avoid operation in high humidity, high temperature, or magnetic interference zones.
Periodically verify encoder alignment and motor connection integrity.
Ensure proper electrical grounding during integration for safety and signal stability.
Ⅶ. Learn More
For detailed specifications and support, visit www.w-robot.com:
Download DDRE Series catalogs and 3D CAD drawings
Read: “Why Direct Drive Motors Redefine Precision Automation”
Contact W-Robot technical experts for model selection and application assistance
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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

Direct Drive Rotary Motor-DDRE-163-92

Ⅰ. Product Overview

Ⅱ. Technical Features

Ⅲ. Application Fields

Ⅳ. Model Selection & Customization

Ⅴ. Product Advantages

Ⅵ. Installation & Maintenance

Ⅶ. Learn More

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