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PC-DMIS won't create an auto-circle

jasonsfunderburk
I have created a plane (1) and am attempting to create an auto-circle for a hole on that plane which is .098" in diameter. My probe is 3mm. So while yes, I understand the error message (Sizes for a contact feature should be greater than probe diameter.) I should be able to create a 1 point circle on that plane and have done this successfully in the past many many times. Any ideas what might be going on here?

And sorry, running 2017 R2 sp6... that recently updated... wonder if thats what is causing this to not work all the sudden.
  • in reply to KIRBSTER269
    oh did he send it to you too? and no problem
  • You can also do it with a CMM, by using basic scan / center.
    1- Measure the plane PL1
    2- Measure an auto center-point (basic scan / center) which gives the lovation of the center ball SCN1
    3- ASSIGN/V1=(PROBEDATA("diam")+2*PROBEDATA("standarddeviati on"))/2................................tip radius
    4- ASSIGN/V2=DOT(SCN1.XYZ-PL1.XYZ,PL1.IJK).................................. ..........................................distance between center ball and plane
    5- ASSIGN/V3=2*V1*SIN(ACOS((V1-V2)/V1)).............................................. .......................................diameter of the hole (should be max inscribed diameter...)

    If the probe crashes at the end of the hole, it means that tip diameter is to small Wink
  • I have had the same problem doing a one point circle. It used to work just Like tio OP said, I program my romer offline so I run into this a lot.
    The simple solution I found was to turn on quick measure, pick single point circle, select your plane feature from the pulldown and then pick your circle. Using autocircle used to work and now fails, but this method give the same result. A one point auto circle.
  • in reply to Moolvie
    like i said... it seems to be fixed in the 2018 R1 release. you might consider testing that out... there's some other enhancements that seem to make things easier.
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