Tig setup

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Hi AllI have a  IGBT ZX7-200 DC INVERTER MMA ARC MACHINE.http://www.ebay.com/itm/IGBT-ZX7-200...p2054897.l4275It works very good. I have a full bottle of Argon.What do I need to set it up for tig welding Aluminum?I'm a hobbyist So spending is limited.Boat repair is my only interest.Thanks
Reply:First of you sell that machine and get yourself an AC/DC tig welder. Tig welding aluminum with DC is a highly specialized procedure that requires pure helium as the inert shielding gas. For the rest of us, AC is needed with pure argon.  Sorry, won't work unless you are already experienced with DC welding of aluminum, at which point this thread would not exist.  1st on WeldingWeb to have a scrolling sig! HTP Invertig 400HTP Invertig 221HTP ProPulse 300HTP ProPulse 200 x2HTP ProPulse 220MTSHTP Inverarc 200TLP HTP Microcut 875SC
Reply:+1You need AC to do aluminum
Reply:okay thanks
Reply:Is this a joke?An optimist is usually wrong, and when the unexpected happens is unprepared. A pessimist is usually right, when wrong, is delighted, and well prepared.