[Me...] Posted February 11, 2021 Share Posted February 11, 2021 Note 8 is surface cannot be concave. I was thinking I needed profile with shape of zone unilateral or inwards. But all I get is no go. Link to comment Share on other sites More sharing options...
[Ri...] Posted February 11, 2021 Share Posted February 11, 2021 Please sign in to view this quote. To do it correctly, yes. I have customers who measure a plane on the outboard of the surface, zero off on it, and then measure on the inboard surface and report the difference. I don't like/agree with it, but they are the customer. Link to comment Share on other sites More sharing options...
[SH...] Posted February 11, 2021 Share Posted February 11, 2021 Please sign in to view this quote. This is not according to ASME ,there should be a square or dia symbol. Link to comment Share on other sites More sharing options...
[To...] Posted February 11, 2021 Share Posted February 11, 2021 It is likely a refinement of the flatness. .005 flatness overall and .002 flatness over any inch of surface. In Calypso, the lower half could be created using Flatness Reference. The overlapping of rectangles is your option. 1% overlap will produce fewer 1" rectangles. 99% overlap will produce a boatload of rectangles. Screenshot 2021-02-11 112839.jpgFetching info... Link to comment Share on other sites More sharing options...
[Me...] Posted February 11, 2021 Author Share Posted February 11, 2021 O.k. Tom but does that report concave error? I was thinking of using profile to check but don't know which restraint to use. Link to comment Share on other sites More sharing options...
[To...] Posted February 11, 2021 Share Posted February 11, 2021 I don't know the answer to this. One concern on your picture is that you're tied to the base alignment which will probably not work. Link to comment Share on other sites More sharing options...
[Ri...] Posted February 11, 2021 Share Posted February 11, 2021 This would be my attempt. Link to comment Share on other sites More sharing options...
[Me...] Posted February 11, 2021 Author Share Posted February 11, 2021 Thanks Tom that was my thinking. Though I tried.....and failed. Rich, I will try that. Link to comment Share on other sites More sharing options...
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