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Thread: Passive Probe Accuracy

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  1. 11-17-2015, 11:11 PM #1
    keen
    keen is offline Registered
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    Re: Passive Probe Accuracy

    Hi - Have you seen my series of videos on this

    eg.

    keen

    https://www.youtube.com/watch?v=M6kL62v_ecc
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  2. 11-18-2015, 04:46 AM #2
    scott216
    scott216 is offline Member
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    Re: Passive Probe Accuracy

    Quote Originally Posted by keen View Post
    Hi - Have you seen my series of videos on this

    Nice video, thanks. So I have to figure out the effective diameter. Is it trial and error or are there some formulas? My probe seem to be about 0.008" off, so would I just increase the ball diameter by 0.004"? I do have a ring gauge I could use for testing if that would be better. It's too bad that the deflection varies between x and y axis. I think I'll look into getting some shorter tips to minimize that.
    "You can't teach stuff in a school that you would learn in real life unless the real life people are in charge of the school." - Gene Sherman
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  3. 11-19-2015, 04:52 AM #3
    squirrel_41
    squirrel_41 is offline Member
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    Re: Passive Probe Accuracy

    Have a look at my routines it callibrates the probe for you
    http://www.cnczone.com/forums/vertic...-routines.html

    Just remember this is for Metric only at the moment

    Also when I do my probes I fix the Probe to Z axis backplate and use it as a "offset probe" this eliminate any run out.
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