All machine move offs should be in the negative direction. I.e. I believe you have your scales backwards. There was an illustration pinned in the forum about this
On Jun 25, 2017 9:28 AM, "dave" <dengv...@charter.net> wrote: > > > On 06/25/2017 02:55 AM, andy pugh wrote: > >> On 25 June 2017 at 00:20, dave <dengv...@charter.net> wrote: >> >> can't quite figure out how I can be in the middle of the bed .... with a >>> small part and still >>> get limit violations >>> >>> Is this actual limit-switch trips. or warnings that the G-code exceeds >> machine limits? >> >> The first is probably electrical noise. I seem to always end up with a >> software low-pass on those signals, just because false-trips are so >> annoying and a couple of mS delay in responding to a limit switch isn't >> that critical. >> >> If it is the second, then you might need to have a look at your coordinate >> system offsets. >> http://wiki.linuxcnc.org/cgi-bin/wiki.pl?CoordinateSystems#S >> o_if_you_re_lost_what_should_you_do >> >> >> .....warning: gcode exceeds machine limits. I classically set my limits > at -.2 ..18, -.2, ..9 and 0 ... -3. > Moving to -9 ... 9, -4 ... 4 for x and y and it still gave me the same > error message. .... and yes I shutdown linuxcnc and restarted homing on the > center of the bed. > > I suspect that this is a thermal problem ... small fan blowing across the > mb. Next step is to rig a > so-called 'whisper' fan off an 11/40. Can you believe they have a 100,000 > hrs on them. > Temp is 55 this morn so I'm blowing cool air into the shop. :-) > > One issue at a time... > > Tnx > > Dave > > > ------------------------------------------------------------ > ------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users