How to Wind a Coil Spring on the Metal Lathe
#46
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
Micromark 7x14 Lathe, X2 Mill , old Green 4x6 bandsaw
The difficult takes me a while, the impossible takes a little longer.
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RE: How to Wind a Coil Spring on the Metal Lathe - by chucketn - 07-01-2013, 06:50 PM



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