TIG and Bronze

Not sure, but for that material you might need a AC source on the TIG most of the cheaper inverter TIG's are DC only, so only good for stick and scratch start tig on steels.

But then you may have bought a nice expensive ac-dc tig!

Wayne....

Well it's actually a 'cheap' ac/dc set, about as cheap as that sort of thing comes...

Cheers Tim

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Yes they are quite pricey..

I looked at them, but decided to put of with the huge amount of space my Miller 150 HF pre inverter set takes up. I had heard horror stories of the Inverter types failing, but then that was with high duy cycles.

Besides I like the noise mine makes when in HF mode apparently not good to be around if you have a pacemaker fitted! All those sparks inside

Wayne...

I was quite surprised to find that mine uses a spark generator for the HF, just like the ancient BOC HF unit I used to use. Thought it would be some sort of solid state device.

Cheers Tim

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--You might want to head on over to sci.engr.joining.welding and pose the question there. I'm going to be taking a whack at tigging bronze this week and I got the whole proceedure down from that group. Ernie's the smart guy.. ;-)

- "Steamboat Ed" Haas : Are you prepared to Hacking the Trailing Edge! : obey the Noodly Master??

according to my welding bible phosphor bronze and gun metal DC with argon shielding the only bronze listed needing AC is alu bronze

done lead work with tig and its lovely but not bronze

Andrew Bishop