Strain wave micro-gearbox HONPINE CSF

coaxialcompactminiature

Introduction
HONPINE CSF Micro Harmonic Drive Reducer is a compact transmission solution engineered for humanoid robot hands and dexterous robotic fingers. It combines a very small envelope with high torque density, low operating noise and long-term repeatability, making integration into limited finger-joint spaces straightforward (typical integration diameter ≈ 15 mm).

Features

• High repeatability: Transmission repeatability ≤0.1 arcsec supports delicate gripping, fine positioning and manipulation tasks.
• High torque density: 150–200 N·m/kg provides significant torque output in a miniaturized package for individual finger joints.
• Fast response: Low-inertia design enables millisecond-level dynamic response (≈10 ms) for rapid and precise finger motions.
• Low wear and long service life: Harmonic transmission design reduces wear; expected service life up to 500,000 cycles under full load with maintenance-free operation.
• Near-zero backlash: Minimal backlash improves force control and sensitivity for tactile and compliant interactions.

Specification (comparative overview)
Metric | Micro Harmonic Drive Reducer | Miniature Lead Screw Drive | Winner
Transmission Precision | ≤0.1 arcsec (repeatability) | ≤0.05 mm (linear) | Harmonic Drive
Torque Density | 150–200 N·m/kg | 30–50 N·m/kg | Harmonic Drive
Compactness | Integrable into finger joints ≈15 mm diameter | Requires guiding components and larger installation space | Harmonic Drive
Response Speed | Millisecond-level dynamic response, ≈10 ms | ≈50 ms due to friction and mechanical lag | Harmonic Drive
Service Life (Full Load) | Up to 500,000 cycles, maintenance-free | ≈200,000 cycles, periodic lubrication required | Harmonic Drive
Backdrivability | Near-zero backlash, high sensitivity for force control | Mechanical backlash ≈0.1–0.3 mm | Harmonic Drive
Cost Performance | In mass production, cost comparable to miniature lead screw drive with competitive overall value | — | Comparable / Harmonic Drive Advantage

Technical specifications

• Model/Series: HONPINE CSF
• Application: Humanoid robot hands and dexterous robotic fingers
• Transmission precision: Repeatability ≤0.1 arcsec
• Torque density: 150–200 N·m/kg (typical)
• Integration size: Suitable for finger-joint diameters ≈15 mm
• Response speed: ≈10 ms (dynamic)
• Service life (full load): Up to 500,000 cycles, maintenance-free design
• Backlash / backdrivability: Near-zero backlash for sensitive force control