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DDRI-080-067Direct Drive Rotary Motor
Category:
DDRI Series (Internal Rotor Motor)
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DDRI-080-067 Direct Drive Rotary Motor
High Precision · Zero Backlash · Compact & Reliable Motion Control
Ⅰ. Product Overview
The DDRI-080-067 Direct Drive Rotary Motor from W-Robot is a compact and high-torque rotary actuator designed for precision rotational motion. By directly coupling the motor’s rotor to the load without intermediate transmission mechanisms such as gears or belts, the DDRI-080-067 delivers zero-backlash torque transmission, superior responsiveness, and ultra-high positioning accuracy.
Engineered for modern automation and robotics, this model offers a robust yet lightweight structure, high torque density, and excellent heat dissipation. Its integrated high-resolution encoder ensures precise control in applications requiring repeatable and smooth rotary motion.
Whether used in semiconductor handling, robotic joints, or optical positioning systems, the DDRI-080-067 provides a reliable, maintenance-free solution for long-term industrial performance.
Ⅱ. Technical Features
Direct Drive Design: Eliminates mechanical backlash and transmission wear, ensuring maximum accuracy and smooth torque output.
High Torque Density: Compact 80 mm outer diameter design provides up to 2.4 Nm peak torque.
Integrated High-Resolution Encoder: Enables sub-arcsecond positioning precision for demanding motion control.
Low Vibration and Noise: Ideal for high-speed rotation and fine positioning operations.
Maintenance-Free Operation: No belts, gears, or lubrication required, reducing long-term service costs.
Flexible Mounting Interface: Compatible with both horizontal and vertical installation; supports various couplings and direct payload mounting.
Optional Hollow Shaft Design: Allows cable routing or pneumatic/vacuum lines through the motor center for compact system integration.
Ⅲ. Application Fields
The DDRI-080-067 excels in applications demanding smooth, precise, and dynamic rotary motion, including:
Semiconductor wafer handling and alignment systems
Precision rotary indexing tables
Optical inspection, metrology, and camera positioning platforms
Collaborative and industrial robot joints
Automated tool changers and rotary gripper mechanisms
Laser cutting and marking systems requiring synchronized rotation
Its direct-drive precision and torque efficiency make it a preferred choice for next-generation high-accuracy motion systems.
Ⅳ. Model Selection & Customization
W-Robot provides multiple customization options to meet specific system needs:
Torque and Speed Adjustments to match your dynamic requirements
Encoder Resolution Choices: Optical, magnetic, or absolute types (up to 23-bit)
Cooling Options: Natural or forced cooling depending on duty cycle
Communication Interface: EtherCAT / CANopen compatible drive solutions
Mounting Flange Adaptations for integration with various mechanical structures
Custom Hollow Shaft Diameters for complex cabling or vacuum applications
Full CAD models (2D/3D), performance curves, and detailed technical manuals are available upon request.
Ⅴ. Product Advantages
Zero mechanical backlash – direct torque transmission for maximum accuracy
Compact structure with high torque-to-size ratio
Smooth, quiet motion ideal for precision assembly and optical applications
Long service life with no mechanical wear or lubrication
Excellent thermal stability and repeatability under continuous operation
Fully compatible with multi-axis synchronization and feedback systems
Ⅵ. Installation & Maintenance
To ensure optimal performance and reliability:
Mount the motor on a rigid, vibration-free surface to maintain alignment accuracy.
Ensure proper electrical grounding and shielding to minimize interference.
Use recommended torque values for fixing screws and coupling devices.
Keep motor and encoder connectors clean and moisture-free.
Avoid operating in extreme temperature or magnetic environments.
Perform periodic calibration checks every 12 months for high-precision applications.
As a maintenance-free direct-drive motor, DDRI-080-067 requires minimal service while ensuring long-term performance stability.
Ⅶ. Learn More
Explore more with W-Robot:
Product catalog and CAD downloads at www.w-robot.com
Technical article: “Advantages of Direct Drive Motors in Precision Automation”
Contact the W-Robot technical team for motor selection and system integration guidance
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