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Datums are off inside programs (All out in same direction)

Smasherofprobes
Hello all,

I seem to be running into a problem with my 2way and 4way checks inside my programs. All of a sudden 2 fixtures in a row are showing an offset on my 4way and 2way 0.5mm in the same direction.
For Example I pick up the tooling balls come back check 2 way and 4way and both fixtures show they are out 0.5 mm in same direction (Machine axis). Does this make any sense ? could it be a bent probe that could be causing this issue ? I'm not sure whats going on here. Disappointed
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  • It seems like maybe an offset value in one of your initial alignments may have been modified? Or the alignment following the fixture pickup? Just a hunch with such a consistent shift.
    If you were to place a gage block on the CMM plate, does it measure the correct size in X/Y/Z axis individually using the same probefile/tip angle? (If yes, not a calibration issue)

    Not that we know the original code, but maybe posting the fixture alignment code and initial part hits we could help spot something. Use code tags when posting, replace my 0 with o

    [c0de]
    [/c0de]
  • in reply to R2ah1ze1l
    ive checked 3 different fixtures in a row (Multiple customers), all are checking out in the X Axis. I will verify the size of a gage block using A0B0 after this calibration to see what i get.
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