On Thu, 25 Apr 2013 21:27:13 +0100, you wrote: >On 25 April 2013 20:23, Gregg Eshelman <g_ala...@yahoo.com> wrote: > >> Look at the ones with the mill column attached to the middle rear of the bed. > >I have one of those. Given the choice I would swap it for the Smithy. > >The Sieg lathe bed/saddle is a horrible milling table, and the column >twists torsionally. I can slap it and it goes "boing"
I've got one in bits at work, I keep meaning to sell. It's missing the milling head and the lathe headstock gears. The lathe bed is fine when used as a lathe but twists with the additional weight and leverage of the milling head. I was going to convert it to cnc and made a start (X axis done) but I did some development work for Sieg and they provided me a pre production KC6 :) After some slight modifications it's now a nice reliable and accurate machine. One of the major mods they did was to make the lathe headstock longer, narrower and rounded the corners off some. It's much beefier than the manual head. The spindle is a lot better too than the manual C6 as the bearings are much further apart, and it's a larger diameter making it far more tortionally rigid. Spindle has two opposing taper bearings at the front and a double roller at the rear for support at the drive end. I regularly run a 6 inch three jaw and an 8 inch 4 jaw chuck on it at up to 3500 rpm without any problems. (I did replace the stock brushless 1Kw motor with a 3Kw three phase). It's got the stock 600 ozf - in Nema34 steppers and drives on 75VDC and performs very well. Steve Blackmore -- ------------------------------------------------------------------------------ Try New Relic Now & We'll Send You this Cool Shirt New Relic is the only SaaS-based application performance monitoring service that delivers powerful full stack analytics. Optimize and monitor your browser, app, & servers with just a few lines of code. Try New Relic and get this awesome Nerd Life shirt! http://p.sf.net/sfu/newrelic_d2d_apr _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
