On Wed, 2008-05-07 at 23:16 -0600, rtwas wrote: > Hello, > > > Jon Elson wrote: > > > > > Remember that the tooling is a major expense on > >these machines, a rack of NMTB 40 holders and collets is worth a > >LOT more than most older machines. > > > > > NTMB 40 for cnc? I thought these were manual-only holders. I have'nt > heard of them > being used for cnc use. Can you elaborate please? > > Thanks. > > Robert W.
I have them on my Shizuoka: http://en.wikipedia.org/wiki/Machine_taper#NMTB_Tapers http://www.wallacecompany.com/machine_shop/Shizuoka/00006-1a.jpg http://www.wallacecompany.com/machine_shop/Shizuoka/00007-1a.jpg http://www.wallacecompany.com/machine_shop/Shizuoka/ My machine uses a draw bar driven by an electric impact wrench to retain and eject the holders. It's noisy but seems to work: http://www.wallacecompany.com/machine_shop/Shizuoka/tool_changer_video.html -- Kirk Wallace (California, USA http://www.wallacecompany.com/machine_shop/ Hardinge HNC/EMC CNC lathe, Bridgeport mill conversion, doing XY now, Zubal lathe conversion pending Craftsman AA 109 restoration Shizuoka ST-N/EMC CNC) ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
