I forgot to mention the version is Emc/axis 2.1.3 that I am running. Jack Jack Ensor wrote:
>Thanks for the suggestion of trying 0.0 backlash. That cut the error >down significantly. Why should that make such a difference? Backlash >compensation error shouldn't be cumulative , should it? > I am now getting from .0101 to .0002 variance. Still more than I would >like to see. > >Jack Ensor > >Chris Radek wrote: > > > >>On Sun, May 13, 2007 at 09:57:08AM -0400, Jack Ensor wrote: >> >> >> >> >>>However when I run axis.ngc, the ending x and y positions are at >>>variance from the commanded positions and each time I run the program >>>(after first homing), I get different variances. I calculated the >>>variances by subtracting the actual position from the commanded position >>>and x can vary from -.148 to +.009, while y can vary from .063 to .008. >>> >>> >>> >>> >>What version of EMC2 are you using (Help/About will tell you) >> >>Have you tried without backlash compensation (BACKLASH=0.0)? >> >>Chris >> >> >> >> > > >------------------------------------------------------------------------- >This SF.net email is sponsored by DB2 Express >Download DB2 Express C - the FREE version of DB2 express and take >control of your XML. No limits. Just data. Click to get it now. >http://sourceforge.net/powerbar/db2/ >_______________________________________________ >Emc-users mailing list >Emc-users@lists.sourceforge.net >https://lists.sourceforge.net/lists/listinfo/emc-users > >. > > > ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
