Servo WhisperDrive

Series W - WhisperDrive high precision servo gearheads are ideal for your most demanding motion control applications.

Servo Drive Series W Whisper Drive®

Inside the WhisperDrive is Cone Drive's true double-enveloping worm gearset. Offered in standard, low and zero backlash versions, you can always find the right solution for your application.

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.

Product Specifications

  • Case Sizes:38, 51, 64, 76 and 89
  • Output Torque: Up to 7800 lb.in. (880 Nm)
  • Gear Ratios:5, 6, 7, 8, 9, 10, 15, 20, 25, 30, 40, 50 and 60 (all ratios exact)
  • Input Options:Solid shaft, servo motor mount
  • Output Options:Solid shaft, keyed hollow shaft, shrink disc hollow shaft

Further Product Information

Further Information relating to the Servo WhisperDrive Series W:

Powerful Brands

Engineering Products David Brown Screw Jack Products Benzlers David Brown and Benzlers are sister companies of Cone Drive, also part of the Textron family. Working together enables us to offer a full range of gear products and provide global services and support.