Range from 5 (most precise) to 12 (least precise).
Letters F–G are slip fits; H is the standard line-on-line fit. Verified Resources and Standards
DIN 5480 splines use a and involute flanks. Key dimensions are calculated using the module ( ) and number of teeth ( Pitch Circle Diameter ( ): Base Circle Diameter ( ): Addendum ( ): Dedendum ( ): Typically din 5480 spline dimensions pdf verified
For precise manufacturing, refer to the individual parts of the standard on sites like Scribd or Engineering.com : Din 5480-1 | PDF - Scribd
): Used to adjust the spline to the reference diameter. It typically ranges from for shafts. Range from 5 (most precise) to 12 (least precise)
The fit between a shaft and hub is determined by the (number) and Deviation Series (letter):
for hobbing, but can vary by manufacturing method (e.g., 0.55m for broaching). Profile Shift ( Key dimensions are calculated using the module (
is the tolerance quality (5–12); f is the deviation (fit type). Key Geometry and Calculations