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ISO tolerance with percentage symbol

ISO tolerance with percentage symbol

(OP)
Both perpendicularity and parallelism tolerance followed with a % symbol, I haven't seen this before and I'm anxious to know what's that means. drawing per ISO 1101.

Season

RE: ISO tolerance with percentage symbol

Are you sure it's not a font issue? The fact that the drawing is in French but the decimal points appear to be periods rather than commas makes me wonder.

RE: ISO tolerance with percentage symbol

(OP)
Good point, could be a font issue.
Thanks

Season

RE: ISO tolerance with percentage symbol

I doubt it's a font issue. There's nothing that would legally serve in that place for all conditions. For example, the only thing that typically goes there is an MMC or LMC modifier. While that would work for one of the perpendicularity tolerances--even though it's missing the diameter symbol--it won't work for the others.

John Acosta, GDTP Senior Level
Manufacturing Engineering Tech

RE: ISO tolerance with percentage symbol

Nice catch powerhound, but you are making a potentially fatal assumption that they used GD&T correctly rednose

RE: ISO tolerance with percentage symbol

Je ne sais pas. Never saw that when I worked in France, something has been lost in translation.

----------------------------------------

The Help for this program was created in Windows Help format, which depends on a feature that isn't included in this version of Windows.

RE: ISO tolerance with percentage symbol

It means - contact the drawing supplier and ask what they expected.

RE: ISO tolerance with percentage symbol

I did not mean to imply that I thought anything about this drawing was correct, only that the percent symbol was probably not a font issue.

John Acosta, GDTP Senior Level
Manufacturing Engineering Tech

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