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  1. Motalu

    Profile of a Surface : Can I use "per unit area"?

    Thanks to both of you, a separate control will do the job nicely. It also has the advantage of avoiding me having to try and achieve something that ProEngineer's geometric tolerancing configuration is preventing me from doing! (Apply a per unit area tolerance to a Profile of a Surface).
  2. Motalu

    Profile of a Surface : Can I use "per unit area"?

    Thanks for the quick feedback guys. Taking an extract of Jim's post: "If I understand you correctly, you want to make the six coplanar surfaces the common primary datum feature for datum Z. You want (or will accept) 0.4mm coplanarity overall between all 6 pads. You want 0.05mm flatness on...
  3. Motalu

    Profile of a Surface : Can I use "per unit area"?

    Hi All, First post, so go easy on me! ;) I have a part with six nominally co-planar mounting bosses over a total area of approximately 450mm x 450mm. I have received feedback from the supplier that they can hold the "flatness" of these bosses (their terminology, not mine) to ±0.05mm per...

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