Re: CNC PLASMA

To take it a step further:
How can we modify an arc welder or TIG to use it as a power source for the plasma torch?

Bertho Boman
====================================

> From: "Charles VanLeeuwen" <cavlon@...>
>
> Stan,
>
> I think you confirm my point. The commercially available consumables are
> not that big a deal so one would need to use them but why pay thousands of
> dollars for the rest of the system that is only worth a few hundred dollars
> of parts?
>
> Charles
>
> >From: STAN MCDONALD <smcdonal@...>
>
> >
> >Why reinvent the wheel. You would still have to use a plasma torch that
> >is comercial built because you need a supply of contact tips as well as
> >other consumable parts. That being said a plasma cutter is kind of like
> >HF tig in the since that the HF is used to get the arc going. The hart
> >of the unit is a transformer that puts out 100 amps or less depending
> >upon how thick you want to cut. I think it is at around 600 Volts but I
> >may be wrong. This power is rectified and converted to DC and then
> >filtered via a RC time constant.