[Ke...] Posted December 20, 2021 Share Posted December 20, 2021 I'm looking at a print with a cylindrical feature with a size tolerance of +0.015/-0.005mm. There is also a roundness callout of 0.05mm, for this feature... Working to ASME, at the latest revision.: Doesn't the envelope principle limit the cylindricity of the feature to 0.020mm? (maybe the roundness was intended to be 0.005, instead of 0.05) Link to comment https://qualityforum.zeiss.com/topic/11354-gdampt-envelope-principle/ Share on other sites More sharing options...
[Ro...] Posted December 20, 2021 Share Posted December 20, 2021 Hi Keith, You are correct. Sounds like a typo. On the flip side... you're part should easily pass the .05 roundness tolerance. 🤣 Link to comment https://qualityforum.zeiss.com/topic/11354-gdampt-envelope-principle/#findComment-56012 Share on other sites More sharing options...
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