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reverse engineering module 2 spline

reverse engineering module 2 spline

reverse engineering module 2 spline

(OP)
I am in the process of reverse engineering a spline.
this is what I know so far
module is 2, it has 24 teeth, it is the male part, the od measures 49.5MM, the minor dia is 45.25MM

This is where i get stumped, I don't know what din standard it is.
I am used to reverse engineering ansi splines, i use pins and can find the tooth thickness ect. and go from there.
However, with the din 5480-1 standard i have, I do not see any way of calculating the pin diameter. Nor, do I see a way to related over pin measurement to class fit. Is there a formula I don't see? Any help is greatly appreciated.

John

RE: reverse engineering module 2 spline

In DIN 5480 part 6 (Involute spline joints - 30° pressure angle - Basic dimensions and test dimensions for module 2) you'll probably find what you need.
This info is valid for the October 1991 edition of that standard.

RE: reverse engineering module 2 spline

(OP)
Bingo! thanks, that is exactly what i needed. Just needed a little nudge in the right direction.

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