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CAD compare and position tolerance

CAD compare and position tolerance

RE: CAD compare and position tolerance

For that callout, at the true position (nominal location of the axis) there is a cylindrical volume the diameter of smallest size of the hole (the sketch doesn't provide that number) that the actual hole boundary cannot cross and be acceptable. The other requirement is that the hole not be any larger than the largest size (the sketch does not provide that number.)

RE: CAD compare and position tolerance

So it's just cad compare with surface profile tolerance of the hole diameter. thanks

RE: CAD compare and position tolerance

I doubt profile tolerance will accept all the same parts. Profile of surface will likely reject parts that have acceptable position tolerance.

RE: CAD compare and position tolerance

To follow on 3DDave's comment... surface profile would control not only position/location, but also the form and size of the hole. So it's not the same thing.

John-Paul Belanger
Certified Sr. GD&T Professional
Geometric Learning Systems

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