[Da...] Posted March 28, 2019 Share Posted March 28, 2019 I have a straightness call out on a fun part that really doesn't make sense to me. Since straightness is a minimum feature, why is it all to the plus side when the tolerance lines show a plus and minus band? [img][/img] Link to comment https://qualityforum.zeiss.com/topic/18948-straightness-graphic-question/ Share on other sites More sharing options...
[Ri...] Posted March 28, 2019 Share Posted March 28, 2019 Because the tolerance is unilateral. You are using up X value of a total Straightness tolerance amount. Link to comment https://qualityforum.zeiss.com/topic/18948-straightness-graphic-question/#findComment-106650 Share on other sites More sharing options...
[Da...] Posted March 28, 2019 Author Share Posted March 28, 2019 But it is a minimum feature, so wouldn't have to start (or end,or be zero somewhere) at zero? How can all the points (5) be plus? Link to comment https://qualityforum.zeiss.com/topic/18948-straightness-graphic-question/#findComment-106652 Share on other sites More sharing options...
[Ri...] Posted March 28, 2019 Share Posted March 28, 2019 The software isn't reporting anything about the measured line. It's reporting how large a zone is necessary to fix your crooked ass line into regardless of position or orientation. Link to comment https://qualityforum.zeiss.com/topic/18948-straightness-graphic-question/#findComment-106654 Share on other sites More sharing options...
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