Re: CNC PLASMA

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.
>
>