At 09:31 PM 28/01/2007 -0800, you wrote: >Hi Karen, > >There is some interest in this kind of functionality within emc. It >would be handy for either sinker or wire edm at the least and you >apparently have thought of another use. > >If one can program in Tk/Tcl then modifying tkemc to provide this >kind of movement should not be too difficult. No one has done this to >my knowledge.
I don't understand why(conceptually) this is so hard to do. Notwithstanding that servo loops are involved in generating the steps, at the end of the day, a step sequence(presume steppers) is being sent out at the parport. If this sequence was sent to logging file, surely it could be run back or forth. At this stage, it's simply a step matrix, maybe a spooling buffer of 1000 x3axis steps. In the application of wire EDM, you probably only want to extract the wire, so stepping back at a slowish rate would be acceptable? The GUI might reflect 'steps' rather than g-code for this function, but this may be acceptable. In use, one might 'pause' the machine, and step back, for whatever reason, then fowards again to '0', then resume the program code. Reasonable? Regards Roland Jollivet ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys - and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
