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Program not running correct after manual alignment

I made a simple program in the offline mode with the model on the CMM. After I do the manual alignment (plane-circle-circle) it seems to measure everything with an offset. In DCC mode it measures the plane a few hundred thousandths off and crashes on the side of the first circle as if the circle is too small. I've verified the vectors are correct on the model and on the alignment features (and they are aligned in the correct order). The main hole is over 2" and I changed the hole diameter to .375 in the program and it still wants to crash. I've tried CAD=part, I've moved the manual alignment around, and few other tricks but it just doesn't want to run. The path lines look good and simulates perfect. This is the 3rd time on this machine this has happened. I've never seen this problem before. This machine is really ticking me off! It's a 6month old Hexagon global performance running PCdmis 2015.0 Any help would be greatly appreciated.
Parents
  • I Think I solved it, when you use auto features in your first alignment things like circles get projected up the the machine plane. In my case thats 25" inches above the part, if the part isn't prefectly level it throws the x and y values off. that's why after the second dcc alignment my circles from my first alignment are out in space but the plane isn't because is't measured values are what they really are. un like a circle that's fudged the z value.
Reply
  • I Think I solved it, when you use auto features in your first alignment things like circles get projected up the the machine plane. In my case thats 25" inches above the part, if the part isn't prefectly level it throws the x and y values off. that's why after the second dcc alignment my circles from my first alignment are out in space but the plane isn't because is't measured values are what they really are. un like a circle that's fudged the z value.
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