mattinker once again nice work , I thought I would have a investigate into the Automation Artisan's Electronic Lead Screw (ELS) The simple way to automate your machinery http://www.cnczone.com/forums/showth...t=35519&page=5 and their YahooGroup http://tech.groups.yahoo.com/group/E-LeadScrew/ seems like a very nice setup.
YouTube clips - Taper turning using Gingery Lathe and Electronic Lead Screw
Spindle speed variation changes Lead Screw threading speed
mattinker seems the Americans were giving heaps of STICK because of you possible being French LOL , always wonder why the Froggies and the Yankies didn't see eye to eye. Some of the words have deliberately been misspelt LOL.
Had to read the whole thread I had a giggle on the way on the first few posts. LOL