[Ri...] Posted March 20, 2025 Share Posted March 20, 2025 To our GD&T gurus, when flatness is called on a surface is there a way to specify minimum surface coverage when scanning? We do have a "Tropel flatness machine" but the surface must lay on the glass to be scanned, recessed surfaces cannot be used on the system. Link to comment Share on other sites More sharing options...
[Ma...] Posted March 20, 2025 Share Posted March 20, 2025 On Calypso you can use this When callout looks like this ( can be more than diam. area ) Here is link: https://digitalmetrology.com/zonal-flatness-in-omnisurf3d/ But still this apply for whole plane. Link to comment Share on other sites More sharing options...
[na...] Posted March 20, 2025 Share Posted March 20, 2025 Please sign in to view this quote. Not guru speaking, I just saw it by accident 🙂 - if you have access ISO 1101:2017, there are few options explained in paragraph 9.1.3 quite good. But I don't want to paste screenshots publicly. Link to comment Share on other sites More sharing options...
[Ri...] Posted March 20, 2025 Author Share Posted March 20, 2025 Please sign in to view this quote. 🫵👍 Link to comment Share on other sites More sharing options...
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