catfan Posted November 8, 2012 Share Posted November 8, 2012 To create realistic threads, I simply sweep the thread profile along a helix with Align set to “no”. (This actually creates the negative of the thread, which must then be subtracted from a cylinder.) When I attempt to follow the same procedure using a conical helix to produce tapered pipe threads, however, it does not work. When I set Align to “no”, I get an error message saying “cannot sweep the profile”. If I try it with Align set to “yes”, the profile is twisted and the result does not look like threads. Does anyone know of a way around this issue, or is this a fundamental limitation of AutoCAD? Thank you. Quote Link to comment Share on other sites More sharing options...
catfan Posted November 12, 2012 Author Share Posted November 12, 2012 The key turned out to be using loft instead of sweep. See attached example for the result. TAPERED THREAD EXAMPLE.dwg Quote Link to comment Share on other sites More sharing options...
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