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There is an on going debate in my company about basic dimensions. Our engineering group has determined basic dimensions alone are not toleranced. Because nothing is theoretically exact, basic dimensions should be treated as reference. Bottom line - if there is a box around the print dimension, ignore it. Is that interpetation correct? ASME Y14.5.1M 994 is not really clear how to treat standalone basic dimensions not linked with GD&T.
I know there is later standard but my company hasn't forked out the bucks for the new one yet.
I know there is later standard but my company hasn't forked out the bucks for the new one yet.