On Sunday 07 June 2015 14:59:19 John Alexander Stewart wrote: > Gene; > > I wired up the G0704 sensor to my Mesa 7i76/5i25 combo and use it > with Andy's Lincurve stuff for speed feedback. And full speed control > via the same combo. > > I'll be mentioning some of this at a seminar at the upcoming CNC > Workshop. > > Some stuff on my blog - the Canadian name for the G0704 is KC20VS, so > search for that. > > Blog is cnc-for-model-engineers.blogspot.com - ask questions. (gotta > run - better half is waiting!) > > John
Thanks John. I'll take a look. > > On Sun, Jun 7, 2015 at 9:03 AM, Gene Heskett <[email protected]> wrote: > > On Sunday 07 June 2015 06:31:00 Belli Button wrote: > > > http://cdn0.grizzly.com/manuals/g0704_m.pdf > > > > Is exactly what came with the machine. The wiring diagram is in it > > twice, but nothing on the PCB's. > > > > >From the sounds of it, its a scr or triac control. More evidence of > > > that > > > > in the fact that the reversing switch is wired to the motor. > > > > The rpms display is driven by a single slot interrupter from a disk > > with round holes drilled into it on the top of the spindle. Eg, no > > room for a disk like I put on the lathe, but the top cover of the > > gearbox could be machined away to do something similar, but would > > need me to design a new pcb to mount the slot interrupters. That > > means their speed display will not work but since we can do that > > with linuxcnc, thats no biggie. > > > > Yet TBD whether I rip out their speed control and put in one of the > > Pico servo amps. I am extremely pleased with how it worked on a > > similar sized motor on my toy lathe. It sure simplifies the > > reversal as that servo amp handles that with no relays to putz with. > > > > The motor kit came Friday, and thats the first Nema 34 motor I'v > > seen, it will go on the z axis. Buying the package like that sure > > makes it nice. Looks like all I'll have to do is mount the stuff and > > wire it up. Its 2 each 470oz/in nema 23's with 8mm shafts, a > > 1600oz/in nema34 with a 12mm shaft, 2 ea DM542's and a 42 volt PSU > > for the nema23's, a DM860 and a 60 volt psu for the nema34, and a > > bare bones but all opto, breakout board. On fleabay for a tad under > > $400. > > > > I just got to get me back into working condition. I pulled something > > loose in my game knee and back getting it into position in the > > garage. > > > > Thanks Belli Button. > > > > Cheers, Gene Heskett > > -- > > "There are four boxes to be used in defense of liberty: > > soap, ballot, jury, and ammo. Please use in that order." > > -Ed Howdershelt (Author) > > Genes Web page <http://geneslinuxbox.net:6309/gene> > > > > > > -------------------------------------------------------------------- > >---------- _______________________________________________ > > Emc-users mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/emc-users > > ---------------------------------------------------------------------- >-------- _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Genes Web page <http://geneslinuxbox.net:6309/gene> ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
