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General tolerance for angular dimension

Charan@

Mechanical
Nov 6, 2024
1
Hello All,

I am currently working on several rubber components produced via the molding process and would appreciate your guidance on the general tolerance requirements for angular dimensions in such parts.

Could you please confirm if the tolerance table provided (referenced in the attached image) includes the tolerance limits for angular dimensions, similar to how ISO 2768-m outlines general tolerances for linear dimensions and angular dimension? If yes how it is controlled and what is shorter side and larger side of the angle.
 

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1) I have always seen angular tolerance called out separately from the linear/diameter/radius ones. +/-2 typically in my experience, but I'm sure that varies widely by industry.

2) At least the way your chart is written now, it is directly tied to SIZE (mm) of a dimension, so not applicable to degrees unless rewritten.

3) I know several that would like to, but I for sure know one machinist that would physically assault me if I gave him an angular dimension with three decimals.
 

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