Well that and for fun too... but I do have a backlog of money to make... John
On 5/31/2012 11:56 AM, gene heskett wrote: > On Thursday, May 31, 2012 12:53:37 PM John Thornton did opine: > >> A little update this morning after last night's experiments I built on >> that a bit this morning. I upped the MFD's on the B-C and A-C caps a >> little at a time till I got close to what I think I wanted in voltage. >> This is what I ended up with... >> >> Phase ===========> A-B B-C A-C >> Caps 50MFD 100MFD 220MFd >> RFC on 246v 263v 271v >> Samson @440 RPM 246v 247v 249v >> 611 Drive on 245v 243v 241v >> Engraving @6k RPM 244v 243v 234v >> >> I grabbed a program at random an it turned out to be engraving my >> company logo at 6k RPM. Now mind you this was not 0 to 6k but 0 to 2k >> with a 0.09 second pause between 100 RPM increases up to 6k. To my >> surprise the program ran to the end without a fault including rapids at >> 295IPM on the Z axis. When I go to town I'm going to snatch up a few >> more caps to play with and bump up A-C a bit more to try and even it >> out. This will at least allow me to make parts for the time being until >> I either get an isolation transformer or generator. The interesting >> thing that I discovered is if I start up the Samson lathe with the 611 >> on I get a fault and have to reset the drive. This leads my tiny brain >> to think that it is a voltage drop to some degree that is tripping out >> the 611... what do you guys think? When my neighbor gets around to >> showing me how to store the traces in the scope I'll try and capture the >> wave form when this happens. >> > That is certainly progress in the right direction, John. You can actually > get money making work done. And that I believe is the object of this > exercise, is it not? > >> Thanks for all the help and ideas. >> >> John > Cheers, Gene ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
