On Tue, Nov 6, 2012 at 5:41 AM, andy pugh <bodge...@gmail.com> wrote:
> If you had a machine with conventional XYZ and a radial cutter motion > too. (For example a HBM like my dad's) > > https://picasaweb.google.com/lh/photo/lorjlRbUi9B2VQy0Cd0KcNMTjNZETYmyPJy0liipFm0?feat=directlink > > If that was CNC you could bore spherical cavities and external radii. > > I guess that the radial slide on the chuck would be a U axis (then a V > axis then a U axis...). > My experience tells me the determination of the symbol (XYZABCUVW) of the slide axis on the rotary motion is determined by the position of the slide when in home position. In reality you could assign any symbol to it but then talking about it to others would result in the need to explain it in greater detail for the other person to be able to understand. The only requirement is to match the symbols of the machine motion elements to the symbols in the NC program. During machine movement the symbol would not change from U to V just because the orientation changes unless the NC program requires the change. I think this would be VERY difficult to program. > LinuxCNC can't do G2 G3 in the ZU plane. So how would you set up such a > machine? > > I guess you could make cartesian moves in VYZ and curves in XZ? Would > this be the method of choice? Viewing the machine as in inverted lathe > rather than a milling machine this nomenclature makes an amount of > sense. > > Is the inability to do curves in anything but the XY YZ and XZ planes > deeply hard-coded, or would it be a trivial modification to add? > (XY, XZ, XU, XV, XW, YZ, YU, YV, YW, ZU, ZV, ZW, UV, UW, VW is rather > more planes than fit comfortably) > > -- > atp > If you can't fix it, you don't own it. > http://www.ifixit.com/Manifesto > > > ------------------------------------------------------------------------------ > LogMeIn Central: Instant, anywhere, Remote PC access and management. > Stay in control, update software, and manage PCs from one command center > Diagnose problems and improve visibility into emerging IT issues > Automate, monitor and manage. Do more in less time with Central > http://p.sf.net/sfu/logmein12331_d2d > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- dos centavos ------------------------------------------------------------------------------ LogMeIn Central: Instant, anywhere, Remote PC access and management. Stay in control, update software, and manage PCs from one command center Diagnose problems and improve visibility into emerging IT issues Automate, monitor and manage. Do more in less time with Central http://p.sf.net/sfu/logmein12331_d2d _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
