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Tig welding newbe
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<blockquote data-quote="TechWise" data-source="post: 7946013" data-attributes="member: 11384"><p>You'll need an AC machine for aluminium. You'll realise quite quickly that the ones with AC capability are more expensive. I bought a second hand Fronius Magic Wave which is AC/DC at I think 300A. Quite honestly, I just can't get into the swing of it. I get on okay on steel but to be honest I bought it to get into the odd aluminium and stainless job.</p><p></p><p>I did a bit at college and got on well with it but since getting my own machine I've just never been able to replicate the results. I reckoned at first that the bits of scrap aluminium I'd acquired must be an odd alloy or contaminated, so I bought some brand new stuff instead. Then I convinced myself contamination was still the issue so I bought a cheap bench grinder to keep dedicated to the tungstens and a set of brand new stainless brushes to clean the stuff up. It's still all just pops and hisses when I try to weld though.</p></blockquote><p></p>
[QUOTE="TechWise, post: 7946013, member: 11384"] You'll need an AC machine for aluminium. You'll realise quite quickly that the ones with AC capability are more expensive. I bought a second hand Fronius Magic Wave which is AC/DC at I think 300A. Quite honestly, I just can't get into the swing of it. I get on okay on steel but to be honest I bought it to get into the odd aluminium and stainless job. I did a bit at college and got on well with it but since getting my own machine I've just never been able to replicate the results. I reckoned at first that the bits of scrap aluminium I'd acquired must be an odd alloy or contaminated, so I bought some brand new stuff instead. Then I convinced myself contamination was still the issue so I bought a cheap bench grinder to keep dedicated to the tungstens and a set of brand new stainless brushes to clean the stuff up. It's still all just pops and hisses when I try to weld though. [/QUOTE]
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