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Useful Data from Ellipse Measurement

dhavener
Hello All,

I was asked by a manager to take a good part and a bad part (based on customer feedback) and measure an ellipse on each to get some useful data that we can then take to our EDM or CNC to machine a go-no-gage for our extrusion press:

Couple questions:
  1. How can I measure an ellipse in PCDMIS? I would assume using the cad file and auto features?
  2. Can I pull useful data out of this measurement that I could use for a gage design? Would this be a major and minor diameter or could I pull a point cloud of radii from the center of an ellipse to just recreate the measured ellipse?
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  • If you have other softwares available like NX, then you can use PCDmis to measure using auto ellipse feature. Align to the ellipse, create a pointcloud from the auto feature and then just export the pointcloud measured data as an xyz or iges file that you can import in another software to build a gage model.
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  • If you have other softwares available like NX, then you can use PCDmis to measure using auto ellipse feature. Align to the ellipse, create a pointcloud from the auto feature and then just export the pointcloud measured data as an xyz or iges file that you can import in another software to build a gage model.
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