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Involute Splines

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iucu

Mechanical
Jun 5, 2003
31
01. Dei max and Die min, ISO 4156, are calculated for Tolerance Class 7, regardless of Spline Tolerance Class.
Why is this and how is correct ?
In one of their Example, they have an Internal Spline Class 5H but Dei max is calculated for 7 class.

02. Involute(X) = 0.03565158
What Formula is used to get x = 26.403 30 ?
 
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