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Creating & Measuring a circle on a cylinder, to find its angle to a plane.

ThomasC
Hi guys, im very new to Pcdmis and CMM so bare with me Slight smile I really need some help with this one.

Got a pipe. cylinder 16mm.
5 holes, 8.2mm

Problem - struggling to find away to create a circle on a cylinder, as a circle on a cylinder wont be flat.. Anyway of doing this?

I need to find out the angle of each of these holes to table plane. Thus should be 0 degree +/-1.5. basically holes pointing straight up. I can do this, just need to get these darn circles perfected on the cylinder....
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  • Do you have a cylindrical probe? you could manually probe four points of the "curved" hole and construct a plane on those points

    Agreed. a probe head like this
    ​
    should handle your issue and return a Minimum Circumscribed Circle (MCC)

    as always, I am often an idiot so I freely admit I may be wrong here.
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  • Do you have a cylindrical probe? you could manually probe four points of the "curved" hole and construct a plane on those points

    Agreed. a probe head like this
    ​
    should handle your issue and return a Minimum Circumscribed Circle (MCC)

    as always, I am often an idiot so I freely admit I may be wrong here.
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