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DDRE-263-112 Direct Drive Rotary Motor

Motor Size ；263(D)*109(H)mm Cont Torque ；95N.m Peak Torque ；190N.m Cont/Peak CUR ；7.1/14.2A-rms

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DDRE Series (External Rotor Motor)

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DDRE-263-112 Direct Drive Rotary Motor
High Torque · Ultra Precision · Zero Backlash
Ⅰ. Product Overview
The DDRE-263-112 from W-Robot represents a new generation of high-torque direct drive rotary motors engineered for superior precision, dynamic performance, and long-term reliability. Featuring an outer diameter of 263 mm and a stator height of 112 mm, this model is built for heavy-load rotary positioning, robotic joints, and semiconductor wafer platforms demanding exceptional torque stability and ultra-smooth motion.
By removing mechanical transmission components such as gears and couplings, the DDRE-263-112 achieves zero backlash, instant acceleration response, and nanometer-level positioning accuracy. Its large hollow shaft design provides flexible routing for cables, air hoses, or vacuum lines—ideal for complex, multi-axis, or cleanroom applications.
Ⅱ. Technical Features
Direct Drive Mechanism: Zero backlash for precision motion control and high repeatability.
High Continuous Torque Output: Perfect for high-load, continuous-duty applications.
Large Hollow Shaft (Through-Hole): Simplifies integration with sensors, cables, and pneumatic systems.
High Stiffness & Low Cogging Torque: Ensures ultra-smooth rotation and stable motion profiles.
High-Resolution Encoder Compatibility: Supports optical, magnetic, or absolute encoders for sub-micron accuracy.
Maintenance-Free Operation: No mechanical transmission parts or lubrication required.
Flexible Mounting: Compatible with various flange interfaces and installation orientations.
Ⅲ. Application Fields
The DDRE-263-112 Direct Drive Rotary Motor excels in precision-critical environments, including:
Semiconductor manufacturing and wafer alignment stages
High-accuracy rotary indexing and positioning systems
5-axis CNC machining or precision rotary tables
Robotic joints and automation platforms requiring smooth torque control
Optical inspection, metrology, and laser processing equipment
Cleanroom assembly, packaging, and labeling automation
Its balance of high torque, smooth motion, and compact structure makes it the ideal solution for high-end motion systems.
Ⅳ. Model Selection & Customization
W-Robot provides full customization options for the DDRE Series, including:
Torque and speed optimization to match your specific load profile
Encoder selection (optical, magnetic, or absolute feedback)
Cooling configurations (natural convection, forced air, or liquid cooling)
Custom hollow shaft diameter and mechanical interface design
Multi-axis compound systems (rotary + linear)
2D/3D CAD files and comprehensive technical documentation available upon request
Ⅴ. Product Advantages
Zero-backlash, ultra-precise motion
High torque density within a compact housing
Smooth, quiet, and vibration-free operation
Long service life with no mechanical wear parts
Easy to integrate into modular automation systems
High thermal stability and dynamic response
Ⅵ. Installation & Maintenance
Ensure a rigid, vibration-free mounting base for accurate alignment.
Align the encoder and hollow shaft carefully during installation.
Maintain clean and interference-free electrical connections.
Avoid extreme conditions: magnetic fields, moisture, or high temperature.
Periodically check bolts, connectors, and encoder calibration.
Follow torque specifications when securing the motor and couplings.
Ⅶ. Learn More
Explore more with W-Robot:
Product catalog and CAD resources: www.w-robot.com
Technical article: “The Advantages of Direct Drive Rotary Motors in Modern Precision Automation”
Contact W-Robot’s technical experts for system design, motor selection, and custom 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.

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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.

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

DDRE-263-112 Direct Drive Rotary Motor

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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