2009/11/9 Steve Blackmore <st...@pilotltd.net>
> On Sun, 8 Nov 2009 10:25:46 +0000, you wrote: > > > >If the G0 speed is higher than max G1 feed rate, wouldn't that mean that > >your machine can handle higher speeds than configured? > > ??? > > No. > > The G0 speed is set in firmware, or configuration files to the maximum > speed your machine can move reliably, and almost always G0 moves are > made when the machine isn't cutting. It can't go any faster, has no > override and it's not something you can change via Gcode. > > The only valid parameters to G0 are the axis you are moving and the > distance. > > If you want to move at less than the absolute maximum you use G1 for > straight line moves. > > G1 speeds are mostly defined as cutting speeds, and are limited by the > material, tool, rpm and power available to do the job. There are > occasions where you may want to move the machine (non cutting) at less > than it's absolute maximum, > > Valid parameters for G1 are the axis you are moving, the distance and > the feed rate you want to move at. If you program a feed rate faster > than the max possible (G0 rate) it will be ignored and the G0 rate will > be used. > > On some controls it will error and continue, others it will error and > stop on file load/verify. > > Steve Blackmore > -- > > That's exactly what my rethorical question was all about. "The G0 speed is set in firmware, or configuration files to the maximum speed your machine can move reliably", which also means that if you can go faster with G0 than with G1 you either have speed left not usable for cutting (unless you don't cut with G0) or you're not moving in a reliable speed range any longer. It was a reply to the original question that you also replied to. And I know what he means, on the old Correa machines I worked with long time ago the original controller was much faster at G0, but then it could only move in two dimensions so it was a kind of a compromise - computational speed vs machine speed. ------------------------------------------------------------------------------ Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
