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Author Topic: circular pocket milling and error workpiece size  (Read 1501 times)

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Offline nso

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circular pocket milling and error workpiece size
« on: December 16, 2011, 01:55:43 PM »
after circular pocket milling i checking my workpiece i see this..so i guess maybe machine have backlash but that is not.. now where is error?
Re: circular pocket milling and error workpiece size
« Reply #1 on: December 17, 2011, 10:27:54 AM »
Couple of suggestions. Could be either main spindle bearing wear linked to wear in the z axis slide, or axis calibration not correct coupled with tool offset compensation incorrecty inserted. These two wrongs could make the X and Y dimensions correct but cut an oval shape.