language

Quote Now

Home page

Products

Name: Direct Drive Rotary Motor-DDRI-375-200
Brand: W-ROBOT

If you are interested in cooperation, please contact us immediately, we will give you feedback as soon as possible!

[email protected]

E-mail

+86 13049770422

Telephone

+86 13360462722

Direct Drive Rotary Motor-DDRI-375-200

Motor Size ；375(D)*200(H)mm Cont Torque ；375N.m Peak Torque ；1000N.m Cont/Peak CUR ；5/15A-rms

Category:

DDRI Series (Internal Rotor Motor)

E-mail

Telephone

Product Details
Application Cases
Related downloads

DDRI-375-200 Direct Drive Rotary Motor
Ultra-High Torque · Precision Control · Gearless Performance for Demanding Automation
Ⅰ. Product Overview
The DDRI-375-200 from W-Robot is a high-torque direct drive rotary motor designed for the most demanding industrial applications that require large load capacity, extreme accuracy, and long-term stability.
Built on advanced direct drive technology, the DDRI-375-200 eliminates traditional gear transmission, achieving zero mechanical backlash, exceptional torque output, and ultra-smooth rotation. With its 375 mm outer diameter and 200 mm large hollow shaft, this model provides excellent integration flexibility for cable, pneumatic, or optical routing, making it a perfect solution for robotic rotary bases, semiconductor wafer handling systems, and precision CNC rotary tables.
By integrating high-efficiency magnetic design, precision bearings, and high-resolution feedback sensors, DDRI-375-200 ensures consistent torque performance, low vibration, and micron-level positioning accuracy, enabling next-generation intelligent manufacturing applications.
Ⅱ. Technical Features
Ultra-High Torque Density: Capable of handling large payloads with high acceleration and deceleration profiles.
Zero Backlash Motion: Direct electromagnetic drive ensures pure rotational accuracy without mechanical play.
Large Hollow Shaft (≈ 200 mm): Allows passage of cables, optical fibers, and pneumatic tubes for clean system integration.
Low Cogging & Smooth Torque Ripple: Optimized magnetic circuit design minimizes vibration and noise.
Integrated High-Resolution Encoder: Delivers precise feedback for closed-loop control.
High Dynamic Response: Suitable for high-speed positioning and synchronized multi-axis operations.
Maintenance-Free Structure: No lubrication or wear components, ensuring long service life and minimal downtime.
Multiple Cooling Options: Supports natural, forced-air, or liquid cooling configurations for thermal stability.
Ⅲ. Application Fields
The DDRI-375-200 Direct Drive Rotary Motor is widely used in high-performance industrial automation systems that demand precision and reliability, including:
Semiconductor wafer handling and bonding systems
Heavy-duty rotary tables and CNC machine indexing systems
Robot base or large joint rotational platforms
Precision optical instruments and laser processing systems
Aerospace and satellite component assembly lines
Automated inspection, metrology, and high-precision motion stages
Its combination of large torque, zero backlash, and integrated control makes it a preferred choice for engineers seeking uncompromising motion accuracy and durability.
Ⅳ. Model Selection & Customization
W-Robot offers comprehensive customization options for the DDRI series to adapt to various engineering applications:
Torque & speed tuning to match system inertia and load requirements
Encoder options – incremental, absolute, or high-bit digital feedback
Cooling system configuration – air or liquid-based for continuous duty applications
Custom hollow shaft diameters and mechanical mounting interfaces
Servo driver matching with integrated control for plug-and-play setup
Full CAD (2D/3D) models and datasheets provided for seamless integration
Ⅴ. Product Advantages
Zero backlash and direct electromagnetic torque transmission
Extremely high rigidity and torque output for heavy-duty precision control
Large through-hole for multi-cable or pneumatic routing
Low noise and vibration, suitable for high-precision or cleanroom environments
High-speed responsiveness ideal for dynamic industrial processes
Long lifetime, low maintenance, and reduced total cost of ownership
Ⅵ. Installation & Maintenance
Ensure a flat, stable, and vibration-free mounting surface for optimal accuracy.
Secure mounting bolts and couplings using specified torque values.
Calibrate encoder alignment before system startup.
Avoid exposure to moisture, magnetic interference, or excessive heat.
For models with active cooling, maintain clean air or fluid circulation.
Perform routine inspections every 6–12 months to ensure precision retention.
Ⅶ. Learn More
Explore more with W-Robot:
Visit www.w-robot.com for CAD files and detailed product catalogs.
Read our technical insight: “Direct Drive Rotary Technology for High-Precision Automation.”
Contact the W-Robot engineering team for selection, integration, and control tuning support.
Related Products
Linear Motor Module – VL17
Ball Screw Linear Actuator – QF6N
Electric Gripper – EPGC Series
Ball Screw Module – VGTH5

Factory Workshop

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-DDRI-375-200

Ⅰ. Product Overview

Ⅱ. Technical Features

Ⅲ. Application Fields

Ⅳ. Model Selection & Customization

Ⅴ. Product Advantages

Ⅵ. Installation & Maintenance

Ⅶ. Learn More

Related Products