there are 8 threads per inch, but it's two seperate alternating threads (2 start), with each thread being 4 turns per inch. Multi start threads are much more efficient than single start threads, so there's less wasted power.
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Gerry
Mach3 2010 Screenset
http://home.comcast.net/~cncwoodworker/2010.html
(Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management) |