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DDRE-263-095-Direct Drive Rotary Motor

Motor Size ；263(D)*095(H)mm Cont Torque ；45N.m Peak Torque ；135N.m Cont/Peak CUR ；7.1/21.3A-rms

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DDRE Series (External Rotor Motor)

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DDRE-263-095 Direct Drive Rotary Motor
High Torque · Ultra Precision · Zero Backlash
Ⅰ. Product Overview
The DDRE-263-095 from W-Robot is a high-torque, large-aperture direct drive rotary motor designed for next-generation precision automation, semiconductor processing, and high-accuracy positioning systems. With a 263 mm outer diameter and 95 mm stator height, this model delivers exceptional torque output, smooth rotation, and long-term stability — ideal for applications requiring uncompromising motion performance.
By eliminating mechanical transmission components such as gears or belts, the DDRE-263-095 achieves zero backlash, high dynamic response, and superior motion accuracy. Its integrated design supports large through-holes, enabling easy cable and pneumatic routing, making it a perfect solution for rotary tables, inspection systems, and robotic platforms.
Ⅱ. Technical Features
Direct Drive Architecture: Zero mechanical backlash ensures high precision and responsiveness.
High Torque Output: Capable of driving large loads and maintaining stability under continuous operation.
Large Hollow Shaft: Facilitates passage for signal cables, air pipes, or vacuum lines — perfect for semiconductor and robotic systems.
Low Vibration & Noise: Ideal for cleanroom environments and sensitive measurement setups.
High-Resolution Feedback Support: Compatible with optical, magnetic, or absolute encoders for sub-micron positioning.
Maintenance-Free Design: No belts, gears, or lubrication needed — ensuring long-term reliability.
Flexible Mounting Configurations: Customizable flange interfaces and mechanical layouts for diverse machine integrations.
Ⅲ. Application Fields
The DDRE-263-095 Direct Drive Rotary Motor is widely applied in industries where torque, precision, and reliability are paramount:
Semiconductor wafer handling and indexing platforms
High-precision rotary tables and CNC 4th/5th axes
Optical alignment, inspection, and laser machining equipment
Robotics rotary joints and large-end-effector drives
Measurement, calibration, and testing systems
Packaging, labeling, and cleanroom automation setups
Its robust torque and excellent positional repeatability make it the preferred choice for high-end motion systems.
Ⅳ. Model Selection & Customization
W-Robot provides comprehensive customization options for the DDRE Series to suit diverse industrial needs:
Optimized torque and speed design for specific application loads
Encoder selection (optical / magnetic / absolute feedback)
Cooling options: natural convection, forced air, or liquid cooling
Hollow shaft diameter and flange customization
Multi-axis configurations (rotary + linear compound stages)
CAD models (2D/3D) and detailed technical documentation available upon request
Ⅴ. Product Advantages
Zero backlash, ultra-smooth motion
High torque density within compact structure
Stable and silent performance in precision environments
No mechanical maintenance required
High stiffness and thermal stability under continuous operation
Easy integration into modular automation systems
Ⅵ. Installation & Maintenance
Mount the motor on a flat, rigid, and vibration-free base.
Align encoder and hollow shaft precisely for optimal feedback accuracy.
Ensure proper grounding and shielding for signal integrity.
Avoid dust, high humidity, and magnetic interference environments.
Periodically inspect connectors, mounting bolts, and encoder alignment.
Follow specified torque standards during assembly.
Ⅶ. Learn More
Explore more with W-Robot:
Product catalog and CAD downloads: www.w-robot.com
Technical resource: “Precision Motion Advantages of Direct Drive Rotary Motors”
Contact W-Robot’s engineering team for model selection, system integration, and customization 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

DDRE-263-095-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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