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All gear types · ISO + AGMA · forward design and reverse-engineering.
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Lewis + AGMA contact
Geometry
| Pitch Ø d | 48.000 mm |
| Base Ø d_b | 45.105 mm |
| Tip Ø d_a | 52.000 mm |
| Root Ø d_f | 43.000 mm |
| Whole depth h | 4.500 mm |
| Addendum / dedendum | 2.000 / 2.500 mm |
| Circular pitch p | 6.283 mm |
| Base pitch p_b | 5.904 mm |
| Transverse module m_t | 2.000 mm |
| Transverse α_t | 20.000° |
| Centre distance a | 60.000 mm |
| Contact ratio ε_α | 1.65 |
| Span over 3 teeth W_k | 15.433 mm |
| Measurement over Ø3.46 pin | 52.799 mm |
| Min teeth (no undercut) | 18 |
Formulas per ISO 53 / 54 / 6336 and AGMA 2001. Strength estimates are screening-level — for production sign-off, run full ISO 6336 or AGMA 2001 with actual load spectra.
