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Leveling plane sets all feature 3mm out in alignment.

PaulBigley
Iterative Alignment
Level -- 3 surface points to "Z"
Rotate -- Hole /Slot
Origin -- Hole

The issue I have is that all features are out in "z" 3mm. (the 3 leveling point check good, 0.00mm)
I added a 4th surface point to the "z" plane and did a second iterative alignment using two holes and a slot for my leveling points. Now all features check good, including the 4th surface point but the original three surface points check 3mm out.

I have re- certified my probe tip and rerun with the same issue. I find no offsets and my tip comp is on. PC-DMIS CAD++2017R2. Any idea what could cause this issue?
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  • I don't use iterative alignments in my programming so not much of an expert in that trouble shooting. the way i would set this up would be to select the plane straight of the cad file surface adjust how many hits you want, usually depending on the size of the surface. hit create. (you can either have the measure on or off for now) next insert alignment and level and set origin of z to the plane, if you had the measure now on when creating the plane then you had to take the hits, so now you can put the probe on the surface and check to see if your z axis is measuring correctly. ( thats just a quick check)

    then select the circle and slot straight from the cad adjust the setting for sample hits, etc. use constructed feature line 2d from slot to circle or vice versa, go to insert alignment, level and origin to the plane, rotate to the line and set either your slot or circle as your origin
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  • I don't use iterative alignments in my programming so not much of an expert in that trouble shooting. the way i would set this up would be to select the plane straight of the cad file surface adjust how many hits you want, usually depending on the size of the surface. hit create. (you can either have the measure on or off for now) next insert alignment and level and set origin of z to the plane, if you had the measure now on when creating the plane then you had to take the hits, so now you can put the probe on the surface and check to see if your z axis is measuring correctly. ( thats just a quick check)

    then select the circle and slot straight from the cad adjust the setting for sample hits, etc. use constructed feature line 2d from slot to circle or vice versa, go to insert alignment, level and origin to the plane, rotate to the line and set either your slot or circle as your origin
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