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
