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  1. e1baz_

    GD&T: How to inspect tertiary datum feature position tolerances?

    If using a CMM or similar, you would do your initial alignment to the A plane, then set your x,y origin to the B cylinder. Then to report your true position it would be the distance in terms of x perpendicular to the midline of the slot. The maximum deviation in terms of x would be +/- half of...
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