Micro Harmonic Drive Reducer for Humanoid Robot Hands

Micro Harmonic Drive Reducer for Humanoid Robot Hands

●  Introduction

Humanoid robot hands require highly flexible and precise movements while maintaining a compact, lightweight structure. They also need low operating noise, high torque density, and long-term reliability. Considering these requirements, the HONPINE CSF Micro Harmonic Drive Reducer is an ideal transmission solution for humanoid robot hands and dexterous robotic fingers.
Compact design: The small and lightweight structure makes it easier to integrate into the limited space of humanoid robot hands and finger joints.
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Features

● High repeatability:High transmission precision and repeatability support delicate gripping, positioning, and manipulation tasks.

● High torque density:The harmonic drive reducer provides high torque output in a compact package, helping increase the torque capability of individual finger joints.

● Fast response:The low-inertia transmission structure enables rapid response to motion commands, making it suitable for fast and precise finger movements.

● Low wear and long service life:The low-wear harmonic transmission design supports stable operation and long-term use, making it suitable for humanoid robot hands that require reliable and repeated movements.

Specification

Sheet 1

MetricMicro Harmonic Drive ReducerMiniature Lead Screw DriveWinner
Transmission Precision≤0.1 arcsec (repeatability)≤0.05 mm (linear)Harmonic Drive
Torque Density150–200 N·m/kg30–50 N·m/kgHarmonic Drive
CompactnessCan be integrated into finger joints with a diameter of approximately 15 mmRequires additional guiding components and more installation spaceHarmonic Drive
Response SpeedMillisecond-level dynamic response, approximately 10 msApproximately 50 ms due to friction and mechanical lagHarmonic Drive
Service Life (Full Load)Up to 500,000 cycles, maintenance-freeApproximately 200,000 cycles, with periodic lubrication requiredHarmonic Drive
BackdrivabilityNear-zero backlash and high sensitivity for force controlMechanical backlash of approximately 0.1–0.3 mmHarmonic Drive
Cost PerformanceIn mass production, the cost can be comparable to a miniature lead screw drive, offering competitive overall valueComparable / Harmonic Drive Advantage