Gene, was it you I read about building edm power supply from re-wound
microwave oven transformers? Or was it somebody else who was into the edm
discussion a couple/few years back?
On Dec 29, 2011 1:36 PM, "gene heskett" <ghesk...@wdtv.com> wrote:
>
> On Thursday, December 29, 2011 01:10:20 PM kqt4a...@gmail.com did opine:
>
> > On Thu, 29 Dec 2011, gene heskett wrote:
> > > On Thursday, December 29, 2011 10:08:23 AM kqt4a...@gmail.com did
> opine:
> > >> On Thu, 29 Dec 2011, gene heskett wrote:
> > >>> On Thursday, December 29, 2011 09:05:54 AM kqt4a...@gmail.com did
> > >
> > > opine:
> > >>>> Just in case y'all run out of something to ponder
> > >>>> I do not have one of those fancy meters Gene mentioned but I do
> > >>>> have a Kill-A-Watt
> > >>>>
> > >>>> 118.7 volts ac
> > >>>> 3 motors at rest - 1.15 amps
> > >>>> 3 motors running - 1.6 amps
> > >>>> 4 motors at rest - 1.43 amps
> > >>>> 4 motors running - 1.85 amps
> > >>>>
> > >>>> This is killing my electric bill :)
> > >>>>
> > >>>> Richard
> > >>>
> > >>> Love it, Richard. I have been meaning to get me one of those
> > >>> critters myself. Could you elaborate on the size of the motors and
> > >>> the PSU's output voltage?
> > >>
> > >> 1 - Probotix 40VDC 10Amp Linear Power Supply, no manual
> > >
> > > And linear is not as efficient, but far more tolerant of surges.
> > > What did they want for it?
> >
> > $85.95
> > It was an upgrade when I bought a V90
>
> That would make me search my junk box. It is also a bit close to the 42
> volt rating of my new drivers. Rich is not on of the bennies of being
> retired, darnit.
>
> In fact, I may have something I can use now that I think about it. I
> believe the supplies I use in series for EDM when I need to, could be
> paralleled as the 2 in series make about 80 volts, which when used for
EDM,
> with a 25 ohm limiter and a 10 UF capacitor, work very well but sent me to
> the truck for my rifle range muffs, as it is ring your ears noisy. Now if
> I can just recall where I got them from because I don't want to tear that
> rig off the wall. I hate it when that happens. :(
>
> > > I'm currently running on a 28 volt switcher
> > > good for 12.5 amps if actively cooled. 42 volt rated drivers, so I
> > > would like to locate a higher voltage (36?)supply. OTOH, I've only
> > > $30 from All Electronics in this one, which also has 5 and 12 volt
> > > outputs at logic circuit currents. They are live full time but the
> > > main output is switchable, medical grade stuffs they claim.
> > >
> > >> 3 -
> > >> http://www.probotix.com/index.php?view=product&path=14&product_id=51
> > >> # 280 Oz In. Hybrid
> > >> # 1.8 /200 Steps Per Rev.
> > >> # 3 Amps Current Per Phase (Uni-polar)
> > >> # 8-wire Uni-polar or Bi-polar
> > >> # NEMA 23 Frame
> > >
> > > 262's, 4 wire for XYA, 425 on Z, 8 wire used as 4.
> > >
> > >> 1 - Pacific Scientific Powermax II stepper model P21NRXA-LNF-NS-00
> > >> http://www.electromate.com/db_support/downloads/Nema23PowermaxII.pdf
> > >> 200 steps per rev
> > >> 2.8 amps
> > >> 8-wire
> > >
> > > I think the 28 volts is making the MM-542's run warmer, so a 36 would
> > > be better. Running at 2.4 amps, could raise that 1 notch I think.
> > >
> > > Cheers, Gene
> > >
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>
> Cheers, Gene
> --
> "There are four boxes to be used in defense of liberty:
> soap, ballot, jury, and ammo. Please use in that order."
> -Ed Howdershelt (Author)
> My web page: <http://coyoteden.dyndns-free.com:85/gene>
> Why be difficult when, with a bit of effort, you could be impossible?
>
>
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