40T Ring / 18T Pinion · m1 — Internal Gears
Full assembly — free engineering reference, an STL download of the whole part, and a live customizer.
| Ring teeth | 40 |
|---|---|
| Pinion teeth | 18 |
| Ratio | 2.22:1 |
| Module | 1 mm |
| Pressure angle | 20° |
| Centre distance | 11 mm |
| Ring pitch diameter | 40 mm |
| Ring outside diameter | 48.5 mm |
| Pinion pitch diameter | 18 mm |
| Pinion tip diameter | 20 mm |
| Pinion bore (default) | 4.5 mm |
| Face width | 8 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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