On 12 Nov 2009 at 10:34, Frank Tkalcevic wrote:
> > I ran your test code and sure enough when G64 is modal the > > way you program it will cut the corner. A couple of things to > > keep in mind when programming g code. > > > > Always retract some distance above the material before doing > > a lateral move. I usually use > > .25 above the material as a safe Z height. YMMV on your machine. > > Yes, the sample code does that. It is for a lathe, so I'm > retracting X, > before moving to another XZ position. The retraction was a parting > tool > coming out of a deep slot, which is why the rounded corners freaked > me out. My brain was in "Mill Mode" so I was thinking Z not X. :) You would always want to start the feed move before you get to the material and your exit move to clear the material by some safe margin. > > > Always include in the first lines of code the things you must > > have like G61.1 G21 etc. > > Will do. I just need to get into the habit of doing it now. > > > Once a code is modal you don't need to repeat except for clarity > G0 X2 > > Z2 > > X4 > > > > is the same as > > > > G0 X2 > > G0 Z2 > > G0 X4 > > > Is that a prefered standard? I find being explicit about the type > of move > clearer in my mind. The prefered standard is what ever is easy for you to read :) and understand. John ------------------------------------------------------------------------------ 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
