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Author Topic: circular pocket milling and error workpiece size  (Read 159 times)
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nso
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« 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?

* part error.JPG (14.45 KB, 500x400 - viewed 38 times.)
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jimthefish
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« 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.
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