That does sound pretty weak, perhaps more hole than should be done on a mini mill.
John On 8/15/2011 6:40 AM, andy pugh wrote: > On 15 August 2011 12:28, John Thornton<bjt...@gmail.com> wrote: >> If you want perfectly round holes get a boring bar. > In some cases a boring bar will work less well than > backlash-compensated spiral milling. > > And in the case of a Mini Mill (and this is a Mini Mill) the > head/column stiffness is very different in X and Y directions, so you > get ovality even with the slides locked. This can be partially > compensated by taking tiny finishing cuts. > ------------------------------------------------------------------------------ uberSVN's rich system and user administration capabilities and model configuration take the hassle out of deploying and managing Subversion and the tools developers use with it. Learn more about uberSVN and get a free download at: http://p.sf.net/sfu/wandisco-dev2dev _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
