It is a much better idea than what I considered originally, but YES SIR this is very much along (and further along) the lines of my original thinking.
THANKS to you, RogerN and everyone who mentioned this design!!!!!!!!!!!! i On Wed, Nov 17, 2010 at 9:22 AM, sam sokolik <[email protected]> wrote: > Like this? > > http://www.hoffhilk.net/cgi-bin/mnlist.cgi?hoffhilk41/140 > > sam > > On 11/17/2010 9:18 AM, Jon Elson wrote: >> Igor Chudov wrote: >>> What I mean by this is as follows: I would move tailstock and carriage >>> as far to the right as possible to make room. >>> >>> I would take a big aluminum plate and mill it to fit on the lathe >>> vee-ways, so that if I clamp it to the lathe bed it will stay solidly >>> in one place. >>> >> There was actually a commercial CNC retrofit that worked approximately >> like that. >> I think it clamped a small XY (really XZ in this case) stage to the >> toolpost of a standard >> manual lathe, but maybe it really just clamped to the bed, I've never >> seen one. >> But, it would never be as rigid as the original lathe, and I hate to >> give up the rigidity >> of my lathe. The way this thing works now, I get a grin every time I >> fire it up, just cut material, >> no need to worry about chatter or anything else. >> >> I think a well thought out CNC retrofit could be made such that it only >> slightly impacts the manual >> use of the lathe. Take out the threading leadscrew and half nuts, as >> you would always want to use >> CNC for threading. With CNC, you can thread at a much higher RPM, and >> that is usually a benefit. >> A servo drive adapted to the X handwheel shouldn't affect the manual use >> of that axis. With some ingenuity, >> it should be easy to install the CNC ballscrew where the threading >> leadscrew went. The only tricky part >> might be making it easy to connect or disconnect the ballnut from the >> apron, as it might end up on the back or inside >> the apron. But, maybe just setting it up with the ballnut to the side >> of the apron would make that simple. >> Line up the nut and drop in a couple bolts, and it is a CNC. Pull out >> the bolts and run the ballnut to the >> end of the leadscrew, and it is a manual lathe without threading. And, >> of course, keep all the parts so you >> could put it back to completely manual use in short order. >> >> Jon >> >> ------------------------------------------------------------------------------ >> Beautiful is writing same markup. Internet Explorer 9 supports >> standards for HTML5, CSS3, SVG 1.1, ECMAScript5, and DOM L2& L3. >> Spend less time writing and rewriting code and more time creating great >> experiences on the web. Be a part of the beta today >> http://p.sf.net/sfu/msIE9-sfdev2dev >> _______________________________________________ >> Emc-users mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/emc-users >> > > ------------------------------------------------------------------------------ > Beautiful is writing same markup. Internet Explorer 9 supports > standards for HTML5, CSS3, SVG 1.1, ECMAScript5, and DOM L2 & L3. > Spend less time writing and rewriting code and more time creating great > experiences on the web. Be a part of the beta today > http://p.sf.net/sfu/msIE9-sfdev2dev > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Beautiful is writing same markup. Internet Explorer 9 supports standards for HTML5, CSS3, SVG 1.1, ECMAScript5, and DOM L2 & L3. Spend less time writing and rewriting code and more time creating great experiences on the web. Be a part of the beta today http://p.sf.net/sfu/msIE9-sfdev2dev _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
