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Scanning Outline

dhoughton
Hello,
Can anyone help me understand why after I preform a scan my scanning outline has a couple of spots where the line deviates to the inside or the outside and is not consistent all the way around the part? I'm attaching a picture below with the suspect area highlighted.

Thanks for you help!
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  • It looks like all three spots in question are 'blend surfaces' between tools or whatever is creating the entire profile shape.
    Is this part CNC machined? Is it cut in-house? If so, show this graphic to whomever cut the part... They can use it to adjust their tool offsets, and fix the errors on the part.
    If it's extruded or molded, I'd be looking closely at the dies.

    Another thing to note, your displayed variation is exaggerated by default on a dimension, by a factor of 10x so the visible representation on the graphic likely isn't to scale. Say your spec is profile to .005", this is showing less than .0025" variation at the areas you boxed, nothing you can catch well with your naked eye.
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  • It looks like all three spots in question are 'blend surfaces' between tools or whatever is creating the entire profile shape.
    Is this part CNC machined? Is it cut in-house? If so, show this graphic to whomever cut the part... They can use it to adjust their tool offsets, and fix the errors on the part.
    If it's extruded or molded, I'd be looking closely at the dies.

    Another thing to note, your displayed variation is exaggerated by default on a dimension, by a factor of 10x so the visible representation on the graphic likely isn't to scale. Say your spec is profile to .005", this is showing less than .0025" variation at the areas you boxed, nothing you can catch well with your naked eye.
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