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DDRE-263-188 Direct Drive Rotary Motor

Motor Size ；263(D)*188(H)mm Cont Torque ；250N.m Peak Torque ；500N.m Cont/Peak CUR ；7.1/14.2A-rms

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DDRE Series (External Rotor Motor)

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DDRE-263-188 Direct Drive Rotary Motor
High Torque · Zero Backlash · Precision Motion
Ⅰ. Product Overview
The DDRE-263-188 Direct Drive Rotary Motor from W-Robot is a large-diameter, high-torque rotary motor designed for precision automation, semiconductor processing, and robotic motion platforms. This model adopts direct-drive technology, removing traditional gear or belt transmission structures to achieve zero mechanical backlash, ultra-smooth rotation, and exceptional positioning accuracy.
With a rotor diameter of 263 mm and optimized electromagnetic design, the DDRE-263-188 offers outstanding torque density, high stiffness, and rapid dynamic response, making it the preferred choice for heavy-duty and high-precision rotary motion applications.
Ⅱ. Technical Features
Direct-drive architecture: Delivers highly responsive motion with no mechanical backlash or transmission loss.
High torque capability: Large stator and high-energy magnets enable superior continuous and peak torque output.
High precision feedback: Supports absolute or incremental encoders with sub-arcsecond resolution for ultra-accurate control.
Low cogging and smooth rotation: Ensures minimal torque ripple for stable motion at both high and low speeds.
Excellent thermal management: Efficient cooling design guarantees stable performance under continuous load.
Low noise and wear-free structure: Non-contact electromagnetic drive eliminates mechanical friction for long service life.
Ⅲ. Application Fields
The DDRE-263-188 is widely applied in advanced automation and motion control systems, including:
High-precision rotary tables and indexing mechanisms
Semiconductor wafer handling and inspection systems
Collaborative and industrial robot rotary joints
Optical alignment and measurement instruments
Aerospace testing and simulation equipment
Packaging, labeling, and precision assembly machines
With its combination of high torque, excellent accuracy, and zero backlash, the DDRE-263-188 is ideal for applications requiring both power and precision.
Ⅳ. Model Selection & Customization
W-Robot offers comprehensive customization options for the DDRE series to meet diverse engineering demands:
Mounting interface: customizable shaft (hollow or solid type) and flange dimensions
Encoder integration: supports multiple brands and resolutions
Cooling configuration: natural or forced-air cooling options available
Winding customization for torque-speed optimization
Cable length and connector type customization
2D/3D CAD drawings and detailed technical documentation available upon request
Ⅴ. Product Advantages
Zero backlash and ultra-precise angular positioning
High torque-to-size ratio with strong acceleration performance
Maintenance-free design with no mechanical transmission wear
Low vibration and high stiffness for stable operation
Silent and clean operation, suitable for precision manufacturing environments
Extended service life and low total cost of ownership

Ⅵ. Installation & Maintenance
To ensure consistent performance, follow these guidelines:
Mount the motor on a flat, rigid surface with proper alignment.
Ensure effective heat dissipation for continuous-duty applications.
Protect the encoder interface from vibration and dust contamination.
Avoid excessive axial or radial load on the motor shaft.
Periodically verify position accuracy and torque calibration.
Secure all mounting bolts to the recommended torque specifications.
Ⅶ. Learn More
Discover more with W-Robot:
Product catalog and CAD downloads: www.w-robot.com
Technical resource: “Advantages of Direct Drive Rotary Motors in Precision Automation”
Contact W-Robot’s application engineers for professional system 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

DDRE-263-188 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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