On 10/30/2015 07:56 AM, andy pugh wrote: > On 30 October 2015 at 03:09, Jon Elson <el...@pico-systems.com> wrote: > >> MT3 is a "self holding taper". So, if a clean, burr-free >> holder is driven into a clean, burr-free socket, it should >> resist normal machining forces with NO drawbar, vacuum or >> other tricks. > Yes, for axial loading such as drilling. There is no doubt that they > work perfectly for this in millions of lathe tailstocks and drill > presses. > > But I think asking one to work for milling (unless you always make > sure you do a nice hard plunge cut at the beginning) sounds like one > of those things that will be perfectly OK most of the time, but then > won't be. > It works a lot better for straight-flute cutters, like horizontal mill arbors and such. Yes, the spiral flute cutters like typical end mills will pull the holder out of the spindle.
Jon ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
