tp20 madness!

i had a program giving bad data (.005 oot) for a length characteristic on a production floor cmm. this was verified in the gage lab with an open setup.

i ran the program on the gage lab cmm and got good data (matched the open setup).

i swapped out the tp20 and tip on the production floor cmm, reran the same program and part, and got good data (matched the open setup and gage lab cmm).

i then ran the same program with the same part on the gage lab machine with the "bad" tp20 and tip and got good data.

its a 3x30 tip in 0,0 orientation. no other orientations seem to be offering contrary data.

thoughts?

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0 louisd 10 months ago

another thing to note, is your PI200 probe sensor interface box has dip-switches on the back, some of them can be toggled to alter the touch detection delays, debounce mode, and other probe detection parameters. If you've got two CMM's that you are expecting to be equivalent, you might want to affirm they have the same PI200 parameters for detecting hits.
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0 louisd 10 months ago

another thing to note, is your PI200 probe sensor interface box has dip-switches on the back, some of them can be toggled to alter the touch detection delays, debounce mode, and other probe detection parameters. If you've got two CMM's that you are expecting to be equivalent, you might want to affirm they have the same PI200 parameters for detecting hits.
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