Din 5480 Spline Calculator Excel Verified Access

Where αₑ is pressure angle at contact point

Machine a simple test spline (e.g., 3D printed or aluminum turned) using the Excel outputs. Measure over pins with a micrometer and compare to the Excel prediction. Agreement within 0.02 mm is excellent. din 5480 spline calculator excel verified

Unlike ANSI standards, DIN 5480 is based on a reference diameter designed to match standard bearing bores. Tolerances: Where αₑ is pressure angle at contact point