[TheForge] cutting 1/4 copper

[magichammer]

Kevin, a long time ago (8 or 10 years) I bought a L-TEC brand plasma 
cutter. It is adjustable up to 40 amps.
It was very expensive for me then, something like $2k. It has paid for 
itself many times over.
it will cut up to 1/2 " steel (but not the best looking cut) It rips the 
hell out of 1/4" copper plate though.
Don't know about being to convert your stick welder over. I think that 
there is a whole lot more to it than that.
dave m

Kevin D wrote:

>Dave,
>
>Actually a friend has a plasma cutter that he brought over.  I suppose it
>was one capable of 20 ga. steel.  It was cute to watch that little arc just
>sit there and hum...don't know what size plasma it would take.
>
>On a similar vein, I was browsing a used machinery website and noticed a
>plasma cutter that was billed as able to be a stick welder as well.  Does
>anyone have any idea of a conversion for my old Hobart Truarc 250 to plasma
>cut?  Not being familiar with plasma, I'd assume that copper would take more
>juice than steel?  I'm not particularly inclined to invest in a plasma
>cutter, but wouldn't mind rigging my compressor and buzz box to effect the
>deal.
>
>Kevin
>
> -----Original Message-----
> From: theforge-bounces at mailman.qth.net
> [mailto:theforge-bounces at mailman.qth.net]On Behalf Of magichammer
> Sent: Tuesday, April 12, 2005 11:29 AM
> To: Sponsored by ABANA
> Subject: Re: [TheForge] cutting 1/4 copper
>
>
> plasma cutter
>
> dave m
>
> Kevin D wrote:
>
> >How about a redsmithing question to break the lull?
> >
> >Last year a local scrap yard had some copper for sale, so I
> bought a couple
> >hundred pounds at $1/lb.  So a buddy of mine would like a chunk out of a
> >~4'x5'x 1/4" plate that I'd bought.  We spent an hour and a half chiseling
> >down both sides until it was scored and work hardened enough to
> lay it on a
> >4x4 and jump on it to break it along the chisel line.
> >
> >We'd tried setting up a fence and cutting it with a sawzall, but
> it wouldn't
> >cut straight.  The blade flexed too easily, perhaps too much pressure?
> >Anyway, anyone got any better ideas on how to cut out pieces?
> >
> >Kevin Donahoe
> >Flying Pig Forge
> >Morrow, OH 45152
> >flyinpig at go-concepts.com
> >
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