Harmonic Drive LLC | 42 Dunham Ridge, Beverly, MA 01915 | 800-921-3332 Harmonic Drive and Harmonic Planetary are registered trademarks of Harmonic Drive. Direct Drive and Hollow Shaft Motors What Are Direct Drive Motors? Direct drive motors can drive a load without a speed reduction mechanism, making them ideal for applications requiring rapid acceleration. Since they only require low torque to accelerate, they perform well in manufacturing processes characterized by frequent starts and stops. The benefits of direct drive motors include: Efficiency: Because these motors have lower friction loads and can accommodate partial loads, they are more efficient and can significantly reduce energy costs. Reliability: Direct drive mechanisms feature a relatively simple design and generate minimal backlash, leading to fewer mechanical issues and less downtime. Less maintenance: With fewer components requiring regular service, these motors are easier and less expensive to maintain, resulting in lower long-term operating and ownership costs. Precision: These motors are renowned for their consistent, repeatable performance and exceptional accuracy. What Are Hollow Shaft Motors? A hollow shaft motor features an innovative design with a hole in the center that allows the components to pass through the rotational axis. This motor type performs well in various robotics, automation and precision manufacturing applications. Hollow shaft motor highlights include: Lightweight: These motors are lighter than their solid shaft counterparts, making motors with a hollow shaft easier to install or transport between locations. Space-saving: The compact design allows hollow shaft motors to fit in smaller machinery, conserving essential space within the unit. This feature also provides additional mounting flexibility. Enhanced torque generation: The design of a hollow shaft motor generates extra torque, which supports applications with a higher energy demand. Direct Drive and Hollow Shaft Motors From Harmonic Drive Harmonic Drive offers reliable direct drive and hollow shaft motor options to support manufacturing options in numerous industries: KDU: This advanced direct drive motor series seamlessly combines exceptional positional accuracy and repeatability with ultra-high precision. HMA: Our hollow shaft motors enable cables, lasers and shafts to pass through the axis of rotation easily. Choose from five frame sizes. Advancing the Technology of Motion Control Through Innovation Harmonic Drive is a registered trademark of Harmonic Drive. ×Close Login Email * Model: {{d}} Master: {{validation}} Result: {{result}} Email * Required Company * Required Country * Required State/Province * Required County * Required *For areas outside of North America , please contact one of our group companies . Harmonic Drive LLC services customers in North America. Our global companies service regions outside of North America. Password * Required Register {{validation.txt}} Please check your email to confirm your account. ×Close Required Required By submitting this form you are accepting to communications from HDLLC Submit {{validation.txt}} Country * Required State/Province * Required County * Required *For areas outside of North America , please contact one of our group companies . Harmonic Drive LLC services customers in North America. Our global companies service regions outside of North America. Mfg #:* Required Model/Series:* Required Gear ratio/information: {{ inquiryType == 2 ? 'Additional information' : 'Enter your question/comment' }}:* Required By submitting this form you are accepting to communications from HDLLC Submit Inquiry {{validationSummary}} Thank you for submitting this form, we will get back to you soon. ×Close Email * Address * Required City * Required Country * Required State/Province * Required County * Required *For areas outside of North America , please contact one of our group companies . Harmonic Drive LLC services customers in North America. Our global companies service regions outside of North America. Part Number Serial Number Monday through Friday This site uses cookies to provide you with more responsive and personalized service. By using this site you agree the Privacy Policy and Terms of Service . Please read our cookie notice for more information on the use of cookie on this website I Accept