At 12:36 PM 7/2/2008, you wrote: >Kai Schaeffer wrote: > > > >>There's also an issue with the speed at which the interpreter can > >>process and output G-code lines, but others know more about this... > >> > > > > Good point. What happens if the system is running out of lines? Does the > > machine stop properly and continues when more data is available? > > >Why would it run out of lines? It should always have a buffer >of interpreted G-code to read ahead. I did some experiments >with the relatively new G64 Pxxxx command to set the allowable >tolerance during contouring. I was doing 588 blocks of G-code a >second, and that seemed to be limited by the feedrate I had set >and acceleration limits for the machine, not the CPU. This was >on a 600 MHz Pentium III, so much faster hardware is available. > >
It kind of sounds like the current system may be running multiple machines off one computer, some type of drip feed DNC. > >>>- Measurement of the surface for a Z-correction > >>> > >> > >>probing? > >> > > > > At the beginning of each program we measure the Z-profile of the surface > > of the sheet. This profile is used to correct the position of the Z-axis > > to get a precise cutting depth. > > >EMC currently doesn't have a feature like that. I suspect it >could be done, but it wouldn't be trivial. May be easier to run an EMC program to probe the surface and store the data in a file. Run an offline program to appliy the probe data to the part program. Then run the modified part program in EMC. __________ Andre' B. Clear Lake, Wi. ------------------------------------------------------------------------- Sponsored by: SourceForge.net Community Choice Awards: VOTE NOW! Studies have shown that voting for your favorite open source project, along with a healthy diet, reduces your potential for chronic lameness and boredom. Vote Now at http://www.sourceforge.net/community/cca08 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
