True, but what happens if you stall one side out (ie tool comes loose from the collet and digs into the spoil board while off to one side of the machine). Having a proper homing sequence allows you to resquare the gantry by simply rehoming. We use this on our larger machines and it works beautifully.
>Len >> 3) I am really surprised that this works at all without blowing the >> drivers. You cannot guarantee that both motors are identical. >> >> > You can feed two same identical step/dir inputs to multiple drivers. That > is how my commercial accucut (48" sq) gantry did it. In theory, you could > run an infinite number of parallel complete machines all mass producing the > same thing if using steppers (signal driver fanout limitations ignored.) > > SMD > - > ------------------------------------------------------------------------------ Managing the Performance of Cloud-Based Applications Take advantage of what the Cloud has to offer - Avoid Common Pitfalls. Read the Whitepaper. http://pubads.g.doubleclick.net/gampad/clk?id=121054471&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
