[To...] Posted August 17, 2020 Author Share Posted August 17, 2020 Please sign in to view this quote. If i use a cylinder for the feature in a perpendicularity, why should worry about second axis? If I use planes, they will have form error due to the curvature of the cylindrical surface that will be included in the perpendicularity result. Link to comment Share on other sites More sharing options...
[An...] Posted August 17, 2020 Share Posted August 17, 2020 Please sign in to view this quote. You could use the vector of the plane and calculate by formula. But there is picture 6-3 in the ASME and it is possibly telling another story! 😕Pic_6-3.pdf Link to comment Share on other sites More sharing options...
[Ma...] Posted August 17, 2020 Share Posted August 17, 2020 Tom - with standard perp it's saying length from upper point of element to lower point of element ( axis on cylinder ) in combined axis ( both a1 and a2 ). In cartesian you choose only needed axis. Link to comment Share on other sites More sharing options...
[To...] Posted August 18, 2020 Author Share Posted August 18, 2020 Please sign in to view this quote. The line or surface in your picture represents the worst case condition of the perpendicularity. Link to comment Share on other sites More sharing options...
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