2010/8/20 Andy Pugh <a...@andypugh.fsnet.co.uk>: > On 20 August 2010 03:29, Shaffin Bhanji <shaffin.bha...@gmail.com> wrote: >> >> I am currently using the Xylotex 3-axis package with 4 motors, can we >> run 2 stepper motors on a single y-axis? Has anyone configured that? Any >> ideas, options on configuring such a setup? > > Depending on whether you want to be able to home the two motors > independently or not, you can either simply connect the step and > direction signals from one stepgen to two drives (either in hardware > or HAL, depending on your preference) or use gantrykins. > > Gantrykins is a kinematics module that allows you to map the XYZABCUVW > values to specific physical axes (technically to "joints") fairly > freely. You would map "Y" to joints 1 and 2 (or maybe 1 and 4) then > you can jog the motors independently in joint mode, but then once > homed you can switch to cartesian mode and they will move together in > response to "Y" values. > > Have a look at the stepper gantry sample file to see how it is done, > it is reasonably straightforward. > > Done right, and with separate home switches for each side, you can > easily arrange a self-squaring gantry, >
Yap, just like Andy said - take a look at "stepper-gantry" sample setup, check kinematics.hal file - there You will assign particular joints to axis. And remember to remove motors from machine, when You will try first tests to see, how it actually works. Viesturs ------------------------------------------------------------------------------ This SF.net email is sponsored by Make an app they can't live without Enter the BlackBerry Developer Challenge http://p.sf.net/sfu/RIM-dev2dev _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
