Electrically, yes if you use a microstepping drive. :-) But if your ball screw has slop in it, then no. :-(
Dave On 4/1/2014 2:57 PM, Gregg Eshelman wrote: > On 4/1/2014 7:01 AM, John Kasunich wrote: >> On Tue, Apr 1, 2014, at 09:52 AM, Dave Cole wrote: >>> Actually 127 Pulse/rev works ok. >>> >>> If you have 5 TPI screws it works out to: 0.2 / 127 = 0.00157" per >>> pulse. If you count all of the edges of the full quad signal (which is >>> normal) you can divide that by 4 which is approximately .00157/4 = >>> .000393 in/count. >>> >> 127 is an odd encoder count, but I understand why: >> 0.000393" is 0.01mm. > So as it is I can get 0.01mm precision on the Z axis with its 5 TPI > ballscrew? > > > ------------------------------------------------------------------------------ > _______________________________________________ > 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
