If you want perfectly round holes get a boring bar. John
On 8/14/2011 4:56 PM, Chris Reynolds wrote: > I'm using my Harbor Freight X2 mini mill. I converted it to cnc not long ago. > I don't cut a lot of circles with it but when I do I noticed they are not > perfectly round. I'll check for binding on the different axis, but I've never > had a problem with them binding in the past, the gibs might need adjusting > though. > > > I guess maybe my next step would be to cut a circle with it and then find out > in which direction it's out of round, if I understood some of the replies > correctly. I recently checked and adjusted all axis for backlash and made the > necessary adjustments in the program, so my next thing will be to look at > binding, or play in the leadscrews. > > > > >> What are you making the holes with? >> It might be as simple as the machine being a lot more rigid in one >> direction that in the other. >> >> This is definitely the case with my mini-mill, where the head can be >> seen deflecting in the X direction but not in the Y. > ------------------------------------------------------------------------------ > FREE DOWNLOAD - uberSVN with Social Coding for Subversion. > Subversion made easy with a complete admin console. Easy > to use, easy to manage, easy to install, easy to extend. > Get a Free download of the new open ALM Subversion platform now. > http://p.sf.net/sfu/wandisco-dev2dev > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ 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
