> On Dec 3, 2008, at Dec 3, 2008--8:13 AM, Howard Chan wrote: > Dear all, > My machine requirements: > Unit using mm. > I use SANYO DENKI servo motor which has an 2000 ppr internal > encoder and > max rpm is 3000. The motor mounts a 16T pulley and connects a 36T > pulley. > > According to Integrator manual, my calculation is: > INPUT_SCALE=2000 * (36/16) * (4 /25.4)=709 > but the computer displays x-axis value is not the real-distance value. > I try and error to find the value round 1250 >
One thought that I had, was is the 2000 ppr before multiplying by 4 for quadrature? Another thought, while the screw is 4 tpi, is it a single start or 2 start thread? These would not get you to 1250 scale but would get you to ~1417. Alan --- Alan Condit 1085 Tierra Ct. Woodburn, OR 97071 Email -- [EMAIL PROTECTED] Home-Office (503) 982-0906 ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
