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Unread 26-11-2014, 17:20
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Re: One tool/machine to level up a moderate shop

Quote:
Originally Posted by asid61 View Post
An edgefinder is better than a few thousandths. The good ones (Starrets are like $10 on ebay) are good to a thousandth or better.
An edgefinder in a drill chuck on a drill press (which likely isn't trammed as well as a mill would be) is unlikely to do any better than a few thousandths. You'll also need a really smooth x-y table to be able to move the part in small enough increments and react to the edge finder. It may be possible with smooth parts and an edge finder on a mill in a collet in good shape to get accurate to within one thousandth.