On Fri, 8 Nov 2019 at 20:44, Thomas D. Dean <tomd...@wavecable.com> wrote:
> Where can I find this value? Is this SCALE = -16000? Yes, so one step is 0.0000625" So we can ignore that hypothesis. Bear in mind that manual lathes can make perfect parts with .050" backlash, the nature of lathe work is that force reversals are rare. What is the leadscrew pitch? It might be interesting to see of there is a cyclic error, you haven't explored even one rotation of the leadscrew. (These are inches, I assume, not mm?) -- atp "A motorcycle is a bicycle with a pandemonium attachment and is designed for the especial use of mechanical geniuses, daredevils and lunatics." — George Fitch, Atlanta Constitution Newspaper, 1916 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users