Yup On 8/30/2016 1:56 AM, dan...@austin.rr.com wrote: > So, I have to switch to 2.8-pre for JA? > > Danny > > ---- Charles Steinkuehler <char...@steinkuehler.net> wrote: >> On 8/25/2016 11:38 AM, dan...@austin.rr.com wrote: >>> So I guess it does do that. Now if one home was physically >>> installed where it trips 0.53" before physical end-of-travel, if >>> this were NOT the gantry axis I'd just give its final machine coord >>> as 0.53" and its machine coord is correct (0=end-of-travel). But >>> in this one, say one gantry switch is mounted to trip at 0.5" but >>> the other trips at 0.65". If homing acts like non-gantry joints, >>> it would physically leave it at 0.5" and 0.65" and leave joint mode >>> with it physically out of sync like that. Which would mean the >>> joints are racked by 0.15" and will forever be locked like that >>> because future moves are in axis mode, not joint mode. >>> >>> Does it have the ability to physically move the joints into >>> alignment based on .ini parameters saying one switch is 0.15" off, >>> or do I just need to keep physically remounting one switch until >>> its trip point is "close enough" to the other? >> No. On the machines I wrote the gantry component for, typically there >> is a small screw used to adjust the tripping point for each homing switch. >> >> As Andy mentioned, you may want to just use a version of LinuxCNC that >> supports JA. When I wrote the gantry component that wasn't an option, >> and the behavior of LinuxCNC with any non-trivial kinematics (even >> something as simple as a gantry) was very painful from a user >> perspective (or at least from *THIS* user's perspective). I haven't >> messed with JA, but it's supposedly *MUCH* better at handling these >> sorts of machines. >> >> -- >> Charles Steinkuehler >> char...@steinkuehler.net >> > > ------------------------------------------------------------------------------ > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users
------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
