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Coordinates Shift when Rotated to A90B90????

InXperienced@Best
Hi everyone,
Writing a program today that requires profile measurements on each side of the part. All is well up until I go to rotate the tip to A90B90 (Manual Rotate, Old School TTP machine).
Program runs through the DCC Alignment and runs through the move points I've entered on the left side of the part in order to rotate from A0B0 and once I rotate to the desired A90B90 to take the scan for profile, the coordinates are shifting, and the screen is showing that the probe is much farther to the right (X Axis) that where it physically is? Can anyone explain to me what I am doing wrong please?

Tip is physically at -5.0078 in X, 1.5035 in Y and .7474 in Z
Once Tip is rotated it shows it to be +1.8452 in X, 4.0376 in Y and 2.6554 in Z


Any advice is greatly appreciated, Thank You!

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  • Your Z value is the only axis that appears to make sense when reviewing information in your movepoints. I do not understand how moving from A0B0 to A90B90 and no other movements would cause your Y axis to shift by 2.5". All I can think is something went wrong on your calibration. Are the diameter sizes consistent in your calibration report? Do the THEO and MEAS values 'match' in an offsetting fashion for your B90/B-90? Do your Y values "match" for all 3 probe rotations?

    In a NEW program file if you just mimic the move/point-tip rotation-move/point do you see the same type of changes? (Yes here would point to calibration, No here could point to current program/alignment)
  • in reply to R2ah1ze1l
    Just edit the move point X value to what you want, the value and graphic look correct.
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