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Master Probe

Scott Brown
Good Afternoon

I have read a number of posts regarding probe calibration and using a Master probe to relate multiple probes. I have a few questions that I did not find the answers in the posts.
Question #1 - If you are using the Master probe for measurement does it affect the relationship of the other probes if you re-calibrate A0/B0 of the Master Probe after answering "N0" to the calibration sphere move. For example - Start of shift the Master probe is calibrated at A0 / B0 and you answer "Yes" the tooling sphere has moved. Now you open a program that uses the master probe for measurement. You want to perform a calibration on the angles that are used in the program. Perform a Marked Used which includes A0/B0. You answer "No" the tool has not moved and perform calibration. Is the relationship of the other probes and angles lost???

Question #2 - Is it necessary to calibrate Master Probe every time the machine is homed??

PC-DMIS 2014.1

Thanks for your help
Scott
Parents
  • Yes. You would measure the first ball with the master probe, yes has moved. Measure the second ball, yes has moved. Then you can calibrate freely between the two, just select NO for all other probes
  • in reply to InspectorJester
    Thank You, i will try do accordingly to see how is master's THEO behaving. because till now i thought how well i have my master defined..

    i wasn't aware of this:
    For the record I don't reset tips on my master probe. there's no need, as there's nothing other than the diameter and StdDev to reset.

    I know I can look at master probe results file anytime and see for TIP1 A0B0, THEO and MEAS have no deviations. This lets me know that no one has screwed the pooch!

    Probe file=P1_6BY30_MASTER Date=02/11/2017 Time=08:10:30

    QualSphere_130972 CENT X 294.310 Y 453.301 Z -484.208 D 25.000
    T1A0B0 THEO X 0.000 Y 0.000 Z 171.520 D 6.000
    T1A0B0 MEAS X 0.000 Y 0.000 Z 171.520 D 5.992 StdDev 0.001
Reply
  • in reply to InspectorJester
    Thank You, i will try do accordingly to see how is master's THEO behaving. because till now i thought how well i have my master defined..

    i wasn't aware of this:
    For the record I don't reset tips on my master probe. there's no need, as there's nothing other than the diameter and StdDev to reset.

    I know I can look at master probe results file anytime and see for TIP1 A0B0, THEO and MEAS have no deviations. This lets me know that no one has screwed the pooch!

    Probe file=P1_6BY30_MASTER Date=02/11/2017 Time=08:10:30

    QualSphere_130972 CENT X 294.310 Y 453.301 Z -484.208 D 25.000
    T1A0B0 THEO X 0.000 Y 0.000 Z 171.520 D 6.000
    T1A0B0 MEAS X 0.000 Y 0.000 Z 171.520 D 5.992 StdDev 0.001
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