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WhisperDRIVE™ Right-Angle Servo Gearhead for Precision Motion Control

Cone Drive

The WhisperDRIVETM Right-Angle Servo Gearhead offers the highest level of precision within the ACCUDRIVETM Precision Motion Control series. Featuring Cone Drive's true double-enveloping worm gear technology, the WHISPERDRIVETM offers low and absolute zero backlash options with hollow or solid output shafts that provide you with high torque capacity, high-efficiency and quiet and smooth running.

Proven Reliability

  • Double-enveloping worm gearing provides high torque capacity, high efficiency, quiet and smooth running, and high torsional rigidity
  • Factory filled with synthetic gear oil, double oil seals and O-rings provide IP65 protection and leak free operation
  • Standard hollow shaft provides compact mounting which saves space and not needing a coupling saves cost
  • Integrated zero backlash bellows coupling provides fast, error-free alignment
  • Piloted motor flange mounts directly to any servomotor, NEMA motor, or IEC motor
  • Three levels of Precision available: Absolute zero backlash for life, low backlash as low as 3 arc minutes and standard backlash
  • Made in the U.S.A.

Product Specifications

  • Case Sizes: 38, 58, 64, 76 and 89
  • Output Torque: Up to 7,800 LB. IN. (880 NM)
  • Gear Ratios: 5, 6, 7, 8, 9, 10, 15, 20, 25, 30, 40, 50 and 60 (All ratios are exact. Custom ratios are available)
  • Input Options: Solid shaft, Servo motor mount
  • Output Options: Solid shaft, keyed hollow shaft, shrink disc hollow shafts
  • Warranty: 5-years from date of shipment



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