[Noisebridge-discuss] Fwd: Re: [discuss] [inmates] Plasma cutter: spark, sound and shut off
john_re at fastmail.us
Wed Oct 16 17:44:52 UTC 2013
---- Original message -----
From: Kevin Osborn <kevin.osborn at gmail.com>
To: Catherine Vaganay <jacusa at msn.com>
Cc: Discuss Artisans Asylum <discuss at artisansasylum.com>
Subject: Re: [discuss] [inmates] Plasma cutter: spark, sound and shut
Date: Fri, 11 Oct 2013 17:34:32 -0400
There's a troubleshooting guide in the manual for the current model:
On Fri, Oct 11, 2013 at 3:29 PM, Catherine Vaganay <jacusa at msn.com>
> Thanks Abe.... Still crying..
> Catherine Vaganay
> Cell: 781-541-0618
> Contact: jacusa at msn.com
> > Date: Fri, 11 Oct 2013 15:25:32 -0400
> > Subject: Re: [discuss] [inmates] Plasma cutter: spark, sound and shut off
> > From: orphrey at gmail.com
> > To: jacusa at msn.com
> > CC: elabowitz at gmail.com; discuss at artisansasylum.com
> > Disclaimer: This e-mail contains many wild guesses.
> > > I would like to know if anyone has seen the following while working on
> > > maximum power:
> > > - big spark
> > > - big noise
> > > - shut off
> > >
> > > I tried to bring back the power to the middle and did it again.
> > Could be a capacitor in the power supply blowing up? I saw a PC do
> > this once, same symptoms. Wildly different kind of hardware, though. I
> > haven't taken one of these plasma cutters apart before, so I don't
> > know what parts are inside, or where they are, so I can't really guess
> > what is wrong with it.
> > Not that that's going to stop me: my guess is that some component has
> > failed catastrophically. The part is gone, and at least partly reduced
> > to carbon. Now, any time power hits what is left of the part, it
> > shorts out/burns up further and causes a circuit breaker to fail or
> > some other safety stuff to kick in and cut the device off.
> > > I term of safety, what should I do? Through it away? Try to power it
> > > and see what happens?
> > If my guess above is correct, power cycling it isn't going to bring it
> > If you know someone who services electronic/electrical stuff, you
> > might ask them to take a look at it. If you wanted to come into the
> > Asylum sometime when I'm going to be there, I could look inside it and
> > at least say "That part there appears to have been on fire". Can't
> > really say if I could fix it, nor if such a fix would be economical.
> > > I know what you're about to say but I answer you question anyway.... It
> > > comes from HF.... Now I cry!
> > > Bought a year an a half at HF, Chicago Electric, 40 A PC. I still
> > There's a Thermal Dynamics DragGun on craigslist for $400, and a
> > couple of no-name imports for $200-300. Hypertherm makes lovely
> > machines, but you pay lovely machine prices for them.
> > -Abe
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