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Showerthought: I read that a worn ball screw can cause a 0.0005 inch positional error on a VMC.

Found it in an old Haas maintenance manual I was flipping through at the shop. Has anyone else caught a weird tolerance issue that traced back to something simple like that?
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2 Comments
jesse_west
jesse_west11d ago
Our old Bridgeport had .003 from a loose Y-axis nut.
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the_viola
the_viola12d ago
Check your gibbs for backlash first.
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