http://groups.yahoo.com/group/mlathemods2/ mlathemods2 Wed, 14 Jan 2009 00:34:41 GMT Lee http://groups.yahoo.com/group/mlathemods2/message/108 http://groups.yahoo.com/group/mlathemods2/message/108 LOOK IN THE PHOTOS SECTION TO FIND OUT 9CENTER PUNCH JIG0 :0) Tue, 02 Dec 2008 03:15:30 GMT kettletrigger http://groups.yahoo.com/group/mlathemods2/message/107 http://groups.yahoo.com/group/mlathemods2/message/107 Hello everyone, I got tired of sorting through posts in Yahoo groups and decided to create a full-blown forum designed specifically for machinists. There are Fri, 21 Mar 2008 17:10:51 GMT allenread http://groups.yahoo.com/group/mlathemods2/message/106 http://groups.yahoo.com/group/mlathemods2/message/106 ... wrote: Jim, You are 100% correct. I asked the question originally out of ignorance. Once I received several excellent reply's, such as yours, I puzzeled Thu, 20 Mar 2008 22:33:27 GMT James W. Early http://groups.yahoo.com/group/mlathemods2/message/105 http://groups.yahoo.com/group/mlathemods2/message/105 Frank The Unimat method is much better than using the 4 jaw to offset, but for early machines like the original 7x10 lathes that have no way to offset the Thu, 20 Mar 2008 22:21:00 GMT jim_klessig http://groups.yahoo.com/group/mlathemods2/message/104 http://groups.yahoo.com/group/mlathemods2/message/104 THe files I mentioned are in files, under "headstock offset taper turning " And easier way of explaing what I was saying, is to note that if the axis of Thu, 20 Mar 2008 22:20:53 GMT jim_klessig http://groups.yahoo.com/group/mlathemods2/message/103 http://groups.yahoo.com/group/mlathemods2/message/103 Parts of this may show up twice (or not) There is an essential difference between offsetting the tail stock, and offsetting a center in the 4 jaw. When Thu, 20 Mar 2008 22:11:28 GMT Frank Hasieber http://groups.yahoo.com/group/mlathemods2/message/102 http://groups.yahoo.com/group/mlathemods2/message/102 Hi JW, correct me if I am wrong, but if I remember correctly, wasn't the advantage of the Unimat that you could actually set the headstock so that the spindle Thu, 20 Mar 2008 19:13:03 GMT ron Pat http://groups.yahoo.com/group/mlathemods2/message/101 http://groups.yahoo.com/group/mlathemods2/message/101 As a owner of Unimat I?m well aware of how you can turn the head stock to make a taper, but thats a long way and a whole different thing than the stuff you Thu, 20 Mar 2008 17:05:18 GMT James W. Early http://groups.yahoo.com/group/mlathemods2/message/100 http://groups.yahoo.com/group/mlathemods2/message/100 And that is the same way when you setup a taper using either a tailstock setover or a headstock setover. This can be done at the tailstock either by offsetting Thu, 20 Mar 2008 14:11:22 GMT dvaid2526 http://groups.yahoo.com/group/mlathemods2/message/99 http://groups.yahoo.com/group/mlathemods2/message/99 Ivy/Ron Your right I recind back to my original thought that it isn't possible. Must be why I had such a hard time visualizing it. Dave Thu, 20 Mar 2008 11:36:59 GMT James Early http://groups.yahoo.com/group/mlathemods2/message/98 http://groups.yahoo.com/group/mlathemods2/message/98 Van That is how I did it for years until I started using the boring head in the tailstock instead, JWE Long Beach, CA ... From: " Dogwood Ridge (Peoples)" Thu, 20 Mar 2008 04:24:21 GMT ron Pat http://groups.yahoo.com/group/mlathemods2/message/97 http://groups.yahoo.com/group/mlathemods2/message/97 Van what thats going to do is throw the work across the room about the second revolution . ... http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ ... Thu, 20 Mar 2008 04:16:58 GMT ivymcneil http://groups.yahoo.com/group/mlathemods2/message/96 http://groups.yahoo.com/group/mlathemods2/message/96 HI David If the tailstock is concentric with the headstock the tool in the toolholder is going to cut a parelell to the center line of the lathe. That is all Thu, 20 Mar 2008 04:15:28 GMT Dogwood Ridge (Peoples) http://groups.yahoo.com/group/mlathemods2/message/95 http://groups.yahoo.com/group/mlathemods2/message/95 how about turning up a 60 degree center with a straight shank and offsetting that in the four jaw chuck and using a dog to drive the work between centers. That Thu, 20 Mar 2008 03:49:12 GMT ron Pat http://groups.yahoo.com/group/mlathemods2/message/94 http://groups.yahoo.com/group/mlathemods2/message/94 When you cut a crankshaft or cam on a lathe its the work its self that is off centered, ( one set of 2 center holes are bored off center) not the live and dead