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Welding Aluminium With A Mig

smithmiller

By smithmiller,
in Fabrication

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funkymonkey Grand Master

funkymonkey

Posted
Posted

lol smells like a spam bot (seeing as he has the brand name he mentioned in his nick), but oddly its on topic and in the right section. haha has me second guessing. My guess is its a way to get Google search results hits when someone searches for "welding aluminium with a mig".

but back on topic, I'm thinking of buying a MIG, but wanna be able to do aluminium welds too. do I have to get one that's capable of really low voltages as the aluminium I wanna weld is pretty thin?

Craved Grand Master

Craved

Posted
Posted

Shan, same smell i got from it haha - the thing that gave it away most was the automated template used, that worked on the other thread in the US

Alloy welding requires more amps than mild steel, but as VB- stated nylon liner is best practice along with the correct gas shield- depending on the mig you get, you could get a spool gun for it that holds the roll on the gun to stop binding in the gun.

VB- Veteran

VB-

Posted
Posted

so what are YOU doing on a US based Z forum craved? good tech/fab sections on there or anything?

can you still get those push-pull guns? havent really seen em around (bar the ancient ones floatin round the shop/at trade school)

FelixTRX Community Regular

FelixTRX

Posted
Posted

I can weld down to 1mm fillet and butt welds at work, but that is on WIA 450 industrial machines with a 'softarc' setting. But that setting my only be an Incat program.

At home, I have a WIA 175 which I weld mild and ally with. Coiled steel liner for steel, nylon for ally. Use .9mm or 1.0mm ally wire with Argon gas, no mixes, just Argon.

Did I mention my trade is Aluminium welder / fabricator?? *lol*

Cheers, Greg.

  • 4 weeks later...
PUDZ 32R Enthusiast

PUDZ 32R

Posted
Posted

as above!! use pure argon and nylon liner. the liners usually dont last that long tho

i welded heaps of alum with mig but nuthin under 4mm plate

i would say a mig weld that thin would sit on top of the metal more than a tig weld which tends to "sink in"

that was my experience. btw i was using .9 and it welded 4mm up just fine

was on a unimig 165.

  • 2 months later...
timsr33 Community Regular

timsr33

Posted
Posted
I can weld down to 1mm fillet and butt welds at work, but that is on WIA 450 industrial machines with a 'softarc' setting. But that setting my only be an Incat program.

At home, I have a WIA 175 which I weld mild and ally with. Coiled steel liner for steel, nylon for ally. Use .9mm or 1.0mm ally wire with Argon gas, no mixes, just Argon.

Did I mention my trade is Aluminium welder / fabricator?? *lol*

Cheers, Greg.

how do you go welding steel with pure argon ive never tryed it but from what ive herd it doesnt penetrate really good if it works well i would love to no as ive got a mig and i just bought a tig and really dont want to have 2 bottles

thanks tim

  • 3 weeks later...
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