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iso violation question

iso violation question

iso violation question

(OP)
All,

During our last audit we received a minor finding related to a dimension on a drawing and the tool used to inspect said dimension. The part was a 275.75" I-beam with a series of holes through 1 flange. The auditor asked how we can measure the OAL of a 275.75" I-beam with a tape measure and hold a 0.03" tolerance (as described for a 2 place decimal on our title block). I replied with "is there a set of 23' calipers available". So my question is, how do others overcome this hurdle? TIA!!

Thanks,
Shawn

RE: iso violation question

I don't understand the link between a 2 place decimal and a 0.03" tolerance.
I am used of seeing the tolerances addressed in function of the overall length (following the principles of the ancient EN 13920 (easily found on google images))

RE: iso violation question

The drawings at our company specify 0.4mm for two-place decimals, or 0.015". There also is a disclaimer in our title block 'UNLESS OTHERWISE SPECIFIED.' I would add a tolerance adjacent to the 275.75 dimension on the drawing, which would account for the tape measure capability.

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