Science Memes

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fwiends (mander.xyz)

submitted 3 months ago by [email protected] to c/[email protected]

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[–] brown567 2 points 3 months ago (1 children)

I learned recently that machinists used to use fractions to indicate tolerance, like a dimension given as 5/16 could be ±1/32 of an inch, because anything less than 9/32 would round to 4/16, and anything more than 11/32 to 6/16.

[–] [email protected] 3 points 3 months ago

It can still happen, but usually at the customer's request/requirements. We actually use inches at a much smaller scale, but use decimals instead of fractions.