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Help aligning to a part (yes, another one of these posts)

Dsturgeon
Hey guys,

I've been trying to align to this part for the better part of today and I'm coming up with nothing.

Best fits using anywhere from 6 to 19 points end up with T values varying upwards of .100" across the side edges (the critical feature) when it's obviously not that far off.



There's pretty much nothing flat on the part that I can really use.

The drawing has pretty much nothing on it except hole diameter and a .010" Profile of the Surface call out.

Any help Dmis gurus?

Edit: Also I might not be using the Best Fit window totally correct. I've never really had any luck with it but I pretty much just open it, select all my points, make sure "3D" is selected, and hit okay.

Thanks
-Daniel
Parents
  • Use the iterative at the beginning of the program to 'align the part'. On parts that have no datums (and some that do have datums); I'll use the iterative alignment after I have picked the desire points on the CAD. Are you famialiar with iterative alignment?

    Honestly I'm not but I can try to fumble my way through it. I've been reading the help file about it and what I don't get is how is it different than just constructing a plane with the first 3 points then leveling to that, then constructing a line with the next two, then aligning to that yadda yadda yadda.

    Is there a difference?

    Thanks
Reply
  • Use the iterative at the beginning of the program to 'align the part'. On parts that have no datums (and some that do have datums); I'll use the iterative alignment after I have picked the desire points on the CAD. Are you famialiar with iterative alignment?

    Honestly I'm not but I can try to fumble my way through it. I've been reading the help file about it and what I don't get is how is it different than just constructing a plane with the first 3 points then leveling to that, then constructing a line with the next two, then aligning to that yadda yadda yadda.

    Is there a difference?

    Thanks
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