Looking for some quick help on reporting concentricity.
Is it best to use circle to circle or cylinder to cylinder?
When reporting concentricity between circles, to me, it shouldn't matter which i use as the "datum" but when I report them I'm getting to very different answers depending on which circle I use as the datum. Does this happen to anyone else? Is it something I'm doing or just a software flaw? When we physically indicate the part on the machine, we are getting less than .002, but CMM is showing me .010+.
Any help would be greatly appreciated, thanks!
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