For actual tooth thickness with fit class, you need tables from DIN 5480-1. A simplified version: Add shift coefficient ( x ) (≈0 for standard fit). Then ( s = m \cdot \left( \frac\pi2 + 2x \cdot \tan\alpha \right) ).
: Specialises in converting inspection dimensions (like measurement over pins) into gear parameters. Spline Calculator - Ondrives Precision Gears din 5480 spline calculator excel
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