: Ensure your pin measurement formula accurately shifts when the tooth count changes from 18 to 19. Extreme Modules : Test tiny modules ( ) and large modules (
In the next section, insert the mathematical foundations of the spline profile. Use these exact Excel syntaxes: in cell B9 : =B3 * B4 * COS(RADIANS(30)) Nominal Tooth Thickness / Space Width ( ) on the pitch circle in cell B10 : =(PI() * B3) / 2 Major Diameter (Shaft Tip, din 5480 spline calculator excel verified