FHA-C Rotary Actuator

Harmonic Drive FHA-C is a family of low-profile hollow-shaft rotary servo actuators combining a precision harmonic gear, brushless servo motor and encoder for robotic joints and precision machinery.

Facts

  • Company: Harmonic Drive
  • Type: Rotary Actuator Family
  • Positioning: 39–820 Nm hollow-shaft servo actuator range
  • Function: Provides high-torque, low-backlash rotary motion while allowing cables, tubing or lasers through the output axis
  • Audience: Robot OEMs, actuator engineers and motion-control integrators
  • Status: Commercial
  • Website: https://www.harmonicdrive.net/products/rotary-actuators/hollow-shaft-servo-actuators/fha-c

Specifications

  • Sizes: FHA-17C, FHA-25C, FHA-32C and FHA-40C
  • Gear Ratios: 50:1, 80:1, 100:1, 120:1 and 160:1 depending on size
  • Minimum Max Torque Nm: Family peak/max torque starts at 39 Nm
  • Maximum Max Torque Nm: Family peak/max torque reaches 820 Nm
  • Minimum Max Speed Rpm: Family maximum speed range down to 22 rpm
  • Maximum Max Speed Rpm: Family maximum speed range up to 96 rpm
  • Features: Zero backlash and large hollow through-hole

Family specifications

  • Sizes: 17, 25, 32, 40
  • Family Name: FHA-C
  • Gear Ratios: 50, 80, 100, 120, 160
  • Source Urls: https://www.harmonicdrive.net/products/rotary-actuators/hollow-shaft-servo-actuators/fha-c, https://www.harmonicdrive.net/_hd/content/documents1/FHA-C%20Series.pdf
  • Product Role: Hollow-shaft rotary servo actuator family

Market context

Robot OEMs, actuator engineers and motion-control integrators

  • Peer Group: Robot actuation components
  • Workflow: Robot joint actuation, Industrial automation, Precision motion
  • Capability: Direct Drive Actuation

View market context