Re: [CAD_CAM_EDM_DRO] Inertia calc

Jerry,

The spindle RPM you mention seems low to me for good threading. Could you
not use an encoder on the spindle and run electronic gearing for the feed.
You will notice that the higher cutting speeds give you a much better thread
finish. I may be out of line here since I'm not sure what software would do
this for you.

--Greg