Developer (master) version does exactly what you need. It also has sync homing. See http://linuxcnc.org/docs/devel/html/config/ini-homing.html#_home_sequence
You can install master branch from buildbot http://buildbot.linuxcnc.org/ Then try sim/axis/gantry config 2017-02-20 19:09 GMT+02:00 Eric H. Johnson <ejohn...@camalytics.com>: > > > I am finally getting around to re-controlling a large (15' x 30') XY table. > The gantry is driven by two oppositely mounted servo motors, axes Y1 and > Y2. > The current homing sequence works as follows: > > > > Y1 and Y2 move together until Y1 resolves its home. > > Y2 then decouples from Y1 and resolves its home. > > Thereafter Y1 and Y2 are recoupled. > > > > I am trying to figure out how to do basically the same thing under > Linuxcnc, > or an alternate approach that works equally as well. I looked at the > "gantry" example program, which does much the same thing with stepper > motors, and uses gantrykins for the kinematics module. The home looks to be > done effectively manually by switching between joint and world mode. Can > this be done as part of an automated home sequence? > > > > Note: There is enough play in Y2 that it can move roughly +/- 2" from being > dead on with Y1 before it will start to mechanically bind. > > > > Thanks. > > ------------------------------------------------------------ > ------------------ > 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
