You don't need a boring head. An end mill adapter/holder will work just fine.
On Sun, Oct 6, 2019, 2:22 PM Gene Heskett <ghesk...@shentel.net> wrote: > On Sunday 06 October 2019 14:00:09 Stuart Stevenson wrote: > > > Gene, > > I frequently use a boring bar with a threading insert to thread mill > > threads. It is a one flute thread mill but it does a wonderful job and > > is not expensive. You can cut OD and ID threads. > > Works a treat. > > If your mill doesn't have a spiral code then maybe your CAM package > > can output the motion in plain gcode. > > thanks > > Stuart > > > What CAM, any gcode written is written by me. And everything is running > 2.9?? these days, so I've got all that anyway. Except the boring head > to carry the threading bar. Gotta get me one of them puppies. ;-) > > > On Sat, Oct 5, 2019 at 3:20 PM Gene Heskett <ghesk...@shentel.net> > wrote: > > > On Saturday 05 October 2019 12:56:25 John Dammeyer wrote: > > > > If you are controlling the speed of your spindle with LinuxCNC > > > > instead of just ON/OFF/DIR, how are you doing this? > > > > > > > > Step/Dir? > > > > > > > > 0V-10V PWM? > > > > > > Check, delivered to the spindle circuitry of a mesa-7i76D, thence to > > > an ebay vfd on my 6040, > > > And thru another ebay vfd is driven by a pwmgen in the 7i90, feeding > > > a spinx1 on the sheldon lathe, from an rpi-3b. The lathe has an > > > encoder, the 6040 does not. The only chance of ever doing any thread > > > cutting would be in very soft material using a threading mill on the > > > 6040, and G2-3 using Z feed might be used. Since its spindle tops > > > at 24k revs, its xy circles at z feed for any potential threading. > > > Threading mills need little red wagon loads of cash though. > > > > > > > ModBus? > > > > If ModBus RS232 or RS485? > > > > > > > > Some other way? > > > > > > > > Thanks > > > > John > > > > > > > > > > > > "ELS! Nothing else works as well for your Lathe" > > > > Automation Artisans Inc. > > > > www dot autoartisans dot com > > > > > > > > > > > > _______________________________________________ > > > > Emc-users mailing list > > > > Emc-users@lists.sourceforge.net > > > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > > > Cheers, Gene Heskett > > > -- > > > "There are four boxes to be used in defense of liberty: > > > soap, ballot, jury, and ammo. Please use in that order." > > > -Ed Howdershelt (Author) > > > If we desire respect for the law, we must first make the law > > > respectable. - Louis D. Brandeis > > > Genes Web page <http://geneslinuxbox.net:6309/gene> > > > > > > > > > _______________________________________________ > > > Emc-users mailing list > > > Emc-users@lists.sourceforge.net > > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > Cheers, Gene Heskett > -- > "There are four boxes to be used in defense of liberty: > soap, ballot, jury, and ammo. Please use in that order." > -Ed Howdershelt (Author) > If we desire respect for the law, we must first make the law respectable. > - Louis D. Brandeis > Genes Web page <http://geneslinuxbox.net:6309/gene> > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
