2014-06-12 16:52 GMT+03:00 Todd                      Zuercher
<zuerc...@embarqmail.com>:
> I don't really have a good reason, more exploring options and thinking out 
> loud, not really wanting to fight with the problems with gantries in LinuxCNC,

Well, I do not see much issues with LinuxCNC regarding gantry machines.
So far (up to 2.5.4) there have been 2 things to watch out for:
1) machine would remain in joint mode, if MDI command is executed
through halui from pyvcp button (this affects any machine with
nontrivial kinematics);.
2) operator has to remember to switch to world mode after homing all
joints, otherwise jogging machine will cause jogging just one side of
gantry..

First one is fixed in 2.6 branch.
Second one is fixed by something like 30 minute (including dowloading
source code from git) setup routine - start by adding few lines to
Axis script to create hal pin in Axis GUI that switches to world mode,
then connect it to axis.n.homed pins through and4 module (created by
customizing and2 module).

I do not know of any other gantry-related issues (just spent another 5
hours with my gantry router and making some chips, LinuxCNC works just
wonderfully).

Viesturs

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