The encoder is on the motor and is effectively 1000 pulses per rev (quadrature) of the motor. The spindle is connected to the motor via a 2:1 toothed belt reduction so there are 2000 pulses per rev of the spindle. That makes the angular resolution of the spindle to be 360/2000 degrees or 0.18 degrees.
On Mon, Jun 15, 2015 at 4:23 PM, Roland Jollivet <[email protected]> wrote: > Nice > > What is the resolution of the spindle encoder? > > Regards > Roland > > > > On 15 June 2015 at 15:45, Chris Kelley <[email protected]> wrote: > > > Well, we had to make a little circuit board to convert the Fanuc spindle > > analog pulse generator signals to digital quadrature pulses and I mounted > > an optical sensor to read a flag on the spindle to make an index pulse. > > > > Anyway, the machine now rigid taps. > > > > Very first chips made since the conversion began were testing rigid > tapping > > in 1/4" polycarbonate with a 1/4"-20 tap: > > https://youtu.be/dvdWepZ5o8Q > > > > > > > > On Fri, Jun 5, 2015 at 2:23 PM, Gene Heskett <[email protected]> wrote: > > > > > On Friday 05 June 2015 12:59:56 Rick Lair wrote: > > > > I do build from source, > > > > > > > > So should I have the VMC folder be in my > > > > "home/testpc/linuxcnc-dev/configs directory, > > > > > > > > Then from the command line be in the > > > > "testpc@testpc:~/linuxcnc-dev/configs$" directory, > > > > > > > > Then do " sudo halcompile --install --install-doc carousel.comp" > > > > > > > > Does that sound right? > > > > > > You may have to edit your .bashrc's PATH to include /usr/bin > > > > > > or, since you'll be using root $PATH, do > > > > > > sudo /usr/bin/halcompile --install -- install-doc carousel.comp > > > > > > > On 6/5/2015 12:41 PM, Sebastian Kuzminsky wrote: > > > > > On 6/5/15 10:38 AM, andy pugh wrote: > > > > >> On 5 June 2015 at 17:34, Rick Lair <[email protected]> wrote: > > > > >>> Now I get "sudo: halcompile: command not found", > > > > >> > > > > >> Wierd. > > > > >> sudo apt-get install linuxcnc-dev > > > > >> Might help, but I didn't think that was necessary, and I would > > > > >> imagine you already have it. > > > > > > > > > > Yes, halcompile is part of the linuxcnc-dev package (or in your > > > > > run-in-place path, if you build from source). > > > > > > 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) > > > Genes Web page <http://geneslinuxbox.net:6309/gene> > > > > > > > > > > > > ------------------------------------------------------------------------------ > > > _______________________________________________ > > > Emc-users mailing list > > > [email protected] > > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > > > > > ------------------------------------------------------------------------------ > > _______________________________________________ > > Emc-users mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > ------------------------------------------------------------------------------ > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
