40T Flex / 42T Circular Harmonic Drive — Harmonic Drives
Full assembly — free engineering reference, an STL download of the whole part, and a live customizer.
| Flexspline teeth | 40 |
|---|---|
| Circular spline teeth | 42 |
| Tooth difference | 2 |
| Reduction ratio | 20:1 |
| Module | 0.2 mm |
| Pressure angle | 20° |
| Flexspline pitch diameter | 8 mm |
| Circular spline pitch diameter | 8.4 mm |
| Outer housing diameter | 10.06 mm |
| Face width | 0.6 mm |
This is a multi-part meshing assembly, not a single flat profile, so there's no SVG/DXF laser-cut pattern for it — only a 3D STL of the complete assembly, matching what the interactive generator itself exports.
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