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Motion Control Resources

Harmonic Drive LLC announces additional ratio for FBS hollow shaft gear unit

Harmonic Drive LLC

Beverly, MA --- Harmonic Drive LLC, the leader in high precision motion control announces new gear units with extra-large through hole and compact outer dimensions. The new series, FBS-2UH is a flat, pancake style gear unit.

This new Harmonic Drive® gear features a large, hollow shaft with a compact outer diameter. The extra-large hollow shaft is ideal for robots and machines requiring complex cabling to pass through the axis of rotation. The new gear design features Harmonic Drive's “S” tooth profile for optimal tooth engagement resulting in high torque, high-torsional stiffness, long life and smooth rotation.  Precision cross roller bearing incorporated into the design supports the external load. FBS Series is available in two sizes (25, 32) and three ratios (30:1, 50:1, 100:1).

  • Extra-large hollow-shaft diameter is our largest yet for a standard product
  • Compact dimensions for use in robotics
  • Outer diameter and hollow bore optimized for design flexibility and performance
  • Peak torque 25-92 Nm

Known for its expert engineering and manufacturing, Harmonic Drive LLC products are relied upon every day throughout the motion control industry. 

About Harmonic Drive LLC
Harmonic Drive LLC engineers and manufactures precision Harmonic Drive® servo actuators, gearheads and gear component sets.  They work with industry-leading customers and companies of all sizes to provide both standard product and custom-engineered servo actuators, gearheads and gear components. Harmonic Drive LLC provides high precision, high performance solutions to meet customer’s mission critical application requirements. The majority of the products sold by HDLLC are proudly made at their US headquarters and manufacturing facility in Massachusetts. Harmonic Drive LLC is AS9100 and ISO 9001 registered. Affiliated companies in, Japan (Harmonic Drive Systems, Inc.) and Germany (Harmonic Drive SE) provide additional manufacturing capabilities.

With over 50 years of experience, our expert engineering and production teams develop enabling technologies and products to meet the needs of an evolving motion control market. We are very proud of our outstanding company history. Our high-precision, zero-backlash Harmonic Drive® gears and Harmonic Planetary® gears have, and continue to play critical roles in robotics, spaceflight applications, semiconductor manufacturing equipment, factory automation equipment, medical diagnostics and surgical robotics. More information can be found by visiting the company’s website at www.harmonicdrive.net

Harmonic Drive is a registered trademark of Harmonic Drive Systems.

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