Din 5480 Spline Calculator Excel Verified -

A German automotive supplier used an unverified Excel spline calculator to order hobs for a new transmission shaft. After cutting 500 parts, the internal customer’s gauge showed . Root cause: The calculator omitted the subtracting tolerance allowance from the major diameter formula per DIN 5480 Part 1, Section 6.3.

: Provides a highly reliable web-based interface for calculating tip/root diameters, span over teeth, and distance over pins. eAssistant Involute Splines din 5480 spline calculator excel verified