Also check your G540 for the micro step setting to be sure it matches the values in your INI file that Kirk was referring to.
On Sat, Sep 17, 2011 at 8:44 PM, Kirk Wallace <[email protected]>wrote: > On Sat, 2011-09-17 at 15:43 -0400, John A. Stewart wrote: > ... snip > > 3) I'm thinking that travel when homing in EMC2 is not correct, > > distance wise. I'm thinking that it is not moving as much as the > > readout on the screens say; I have 4mm pitch leadscrews, 1.8 degree > > steppers, directly coupled: > > Motor steps 200.0 > > Driver Microstepping 2.0 > > Pulley teeth 1.0 to 1.0 > > Leadscrew 4.0 mm/rev > > Maximum Vel 8.3 mm/s (machine says "Rapid moving, 1000mm/min; > > feeding speed max 500mm/min) > > Maximum accel 50.0 mm/s2 > > > > Scale = steps/unit > units = mm > > 200 motor steps/1 screw rev. x 2 (micro)steps/1 motor step x 1 screw > rev./4mm = 200 x 2 / 4 = 100 steps / 1 mm > > so, your .ini file should have: > ----------------- > [AXIS 0] > ... > SCALE = 200 > OUTPUT_SCALE = 1.000 > ... > [AXIS 1] > ... > SCALE = 200 > OUTPUT_SCALE = 1.000 > ... > [AXIS 2] > ... > SCALE = 200 > OUTPUT_SCALE = 1.000 > ... > ------------------ > > Unless I made a mistake. > > ... snip > > > > ------------------------------------------------------------------------------ > BlackBerry® DevCon Americas, Oct. 18-20, San Francisco, CA > http://p.sf.net/sfu/rim-devcon-copy2 > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ BlackBerry® DevCon Americas, Oct. 18-20, San Francisco, CA http://p.sf.net/sfu/rim-devcon-copy2 _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
