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Calibration

I figured it would best to separate my questions. For this one I am wondering about calibration. We have 2 Quindos machines, one with a 3 probe changer and one with a 5 probe changer. They have been using the same calibration programs for a long time, only modifying a couple sections of the program to add a new probe to one of the machines. They do run calibration pretty regularly, one taking about 45 minutes and the other 1 hour 15 minutes. Every orientation is calibrated that is used during the large volume of part programs. For the sake of decreasing time to calibrate the probes, and because I think its doing so unnecessarily,my question is this:


If for each probe in the changer, a reference probe is defined and calibrated, would calibrating the reference probe in default A0B0 orientation "requalify" the probe for all its orientations?




I know a regular full calibration will always be necessary, but any time savings would be a plus for production inspection. Which leads to my 2nd question:


If a single probe is changed out, but in the same magazine position, would deleting the 1st probes data and defining/calibrating the new probe be sufficient? Or is full calibration of all probes necessary?
  • As to your first question, not that I am aware, if you requalify one tip you need to requalify all of them.

    With regard to your second question:
    Has the calibration artefact moved since the last calibration?
    Has the cmm been re-homed?

    If the answer to either of these questions is yes, then all probes need to be redone, as the home position isn't repeatable enough to handle tip qualification.