07-01-2013, 07:14 PM
(07-01-2013, 06:50 PM)chucketn Wrote: I aquired a copy of the article on springs by Kozo Hiraoka and put his formula for calculating the mandrel diameter into my Excel spreadsheet on threading. It does not agree with Marv's mandrel program. Haven't figured out why.
Chuck
My program agrees with Marv's when I use the music wire selection. But then I used Marv's source code to write my program so it should match, theoretically.
Ed