On Thu, Sep 2, 2010 at 8:27 PM, Jon Elson <el...@pico-systems.com> wrote: > Igor Chudov wrote: >> So, my question is, does EMC2 support "two Z axes" and if so, what >> sorts of EMC2 facilities would I need for this. Different kinematics? >> > It would be much better to make the knee the W axis (auxiliary linear > axis parallel > to the Z axis). EMC2 has facilities to handle an extra set of Cartesian > coordinates. > I think trivkins will still support this scheme, although coordinated > feedrate with both > Z and W will probably not do anything smart. In fact, I'd sort of guess > that any > feedrates apply only to XYZ, and auxiliary axes will only move so that > they complete > at the same time as XYZ. This is probably all you want, anyway. The > point is, I THINK, > that a move in XYW will not compute the feedrate the same way as an XYZ > move.
This is pretty much OK with me. Now, what about interpolation. Say, I issue a command G1 X1 Y1 W1, would it move on a straight line? I think that I will be very happy with knee being the W axis. i ------------------------------------------------------------------------------ This SF.net Dev2Dev email is sponsored by: Show off your parallel programming skills. Enter the Intel(R) Threading Challenge 2010. http://p.sf.net/sfu/intel-thread-sfd _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
