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Humanoid Robot POM Tendon Drive Pulley Set High Precision Processing Case CNC Machining China
Product Description
This project involves custom POM tendon drive pulley sets for a renowned humanoid robot manufacturer, produced using ultra-precision 5-axis CNC machining technology. Applied in robotic dexterous hand joint transmission systems, through optimized tool paths and cutting parameters, micron-level dimensional accuracy and Ra0.4μm surface finish have been achieved, significantly improving transmission efficiency and service life.
Dynamic Balance Design: Finite element analysis optimized hub and spoke structure ensuring vibration amplitude below 0.1mm during high-speed operation
Low Friction Characteristics: POM material's self-lubricating properties maintain friction coefficient in the 0.15-0.25 range
Integrated Design: Pulley set with built-in bearing installation structure, supporting direct press-fitting of miniature deep groove ball bearings and thrust bearings
Environmental Adaptability: POM material exhibits excellent corrosion resistance, with strength degradation rate below 3%/year in 80% humidity environments
Technical Parameters
Parameter
Technical Specification
Material
POM-C (Copolyoxymethylene)
Outer Diameter Tolerance
±0.008mm
Bore Tolerance
H7 grade
Groove Radius
0.5mm-1.5mm (customizable)
Dynamic Balance Grade
G2.5
Operating Speed
≤3000rpm
Rated Load
45N
Operating Temperature
-40℃～100℃
Surface Roughness
Ra0.4μm
Applications
Humanoid Robot Dexterous Hands: Suitable for 22-degree-of-freedom precision hand joint transmission
Medical Robots: Surgical robot instrument arm precision transmission systems
