I've been looking that HF TIG unit over every now and then but don't have the funds to commit just yet. I know fully that I'm not buying a good quality solid machine, but for getting my feet wet and the little amount I'll be using it, it seems to fit the bill for both the pocketbook and the real estate I have in the garage. It's just DC, so I was wondering that if anyone who has one could tell me if the manual has the schematic. I'm interested in seeing if a conversion to AC is possible through an oscillator and SCR's or IGBT's, and even adding HF, eventually when I'll be needing to do aluminum. If so, could you scan the diagram and post it or just shoot it to me? It would be much appreciated. The convertibility will be a factor, because if the cost of the welder plus the cost of conversion exceeds what I can get a decent used TIG unit for, then I'll go that route, although I'm sure folks would appreciate knowing if and how it can be done, so I'll post my results. That way my own conversion ideas can be critiqued and improved upon. Thanks!
17 years ago