Solved! Go to Solution.
Solved by SER4. Go to Solution.
This link has a pretty good buttress table...I still had to add my own entries, but there is also the formulae included there. I have NOT confirmed with MHB yet, and it appears the root diameter graphic (dashed line) on the drawing might be incorrect, although the dimension is something different than the table, so I'm not quite sure where it's coming from.
https://forums.augi.com/showthread.php?170188-Buttress-Thread-Spread-Sheet&mode=hybrid
There's several if you simply search:
https://forums.autodesk.com/t5/inventor-forum/large-acme-threads/m-p/3934337
https://forums.autodesk.com/t5/inventor-forum/acme-threads/m-p/2413119
https://forums.autodesk.com/t5/inventor-forum/acme-screw-threads-xls-file/td-p/3042190
https://forums.autodesk.com/t5/inventor-forum/acme-threads/td-p/6332678
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