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Harmonic actuator

Motion Control Products MGU

Compact robot-joint harmonic actuator with built-in EtherCAT/CANopen drive, dual 20-bit encoders and optional torque sensor, from 0.35 kg; aimed at humanoids and cobots.

Key specifications

Bore6.5–23 mm
Ingress protectionIP20
Rated torque (max)557 Nm
Peak torque (max)762 Nm
Speed (max)68 rpm
Ratio81–121:1
Sizes08, 11, 14, 17, 20, 25, 32, 40
Resolution (max)20 bit
Accuracy< 50 arc-sec
InterfaceEtherCAT, CANopen
Mass0.35–7.9 kg
EncoderDual single-turn absolute 20-bit, BiSS-C
Supply24-48 VDC (48 VDC standard)

Series ranges as published; individual models vary. The full datasheet, drawings and CAD models are available on request.

Options

  • torque sensor (not with CANopen)
  • holding brake (MGU-17 and up)
  • MGU-DBG debug cable

Typical applications

Humanoid robotsCobot shoulder jointsRobotic wristsSurgical manipulatorsLegged robots

Often compared with

Engineers specifying this series often compare it with:

Other harmonic actuator series

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