Din 5480 Spline Calculator Excel New Patched May 2026

Brief write-up: DIN 5480 spline calculator (Excel) — new

=XLOOKUP(1,(m_tab=module)*(z_tab=teeth), root_diam_min)
This ensured compliance with the standard.

Straight-Sided Spline

8. Example Excel Calculator Structure

DIN 5480

Klaus, a drive train engineer in Munich, was tired of manually calculating root fillet diameters, form diameters, and space widths for involute splines (module-based, with references like N, NA, NB, etc.). He decided to build an Excel tool.

Add a Data Table: Create a hidden sheet with the deviation values from DIN 5480-1 (Tables for $A_H$, $A_S$, etc.) based on the Reference Diameter and Module.
Parse Fit Class: