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Repeatibility error in calibration

john s

Plastic
Joined
Apr 13, 2011
Location
india
Hi,
I am new in CMM field and I've Impact VDMIS ver6.0, nowadays i am doing calibration by the help of calibrated bars(100, 300mm etc slandered length bars). repeatability of length of Bar along Y and Z axis around 2 to 3 microns but along X-axis it is about 6 to 7 micron, which shows that something is wrong, I've checked the view control points they all are under range. what should i do to control it?
Regards
John
 








 
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