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Weld Aluminum

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Chopper

05-02-2003 04:52:43




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I have a Miller 175 and would like to try to weld Aluminum.

I am a novice welder.

I have ARGON gas and .035 aluminum wire. I don't have a spool feeder, but the wire feeds fine through the M-10 gun.

What setting should I use to weld 1/16" & 1/4" stock respectively.

Any other suggestions would be appreciated.

Thanx
Chopper




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Bernie

05-03-2003 18:10:35




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 Re: Weld Aluminum in reply to Chopper, 05-02-2003 04:52:43  
Keep in mind when you are practicing on scrap that as aluminum warms up it requires less heat/amperage. What works on a small piece of scrap will not on a larger cold piece. Also the bigger the object being welded the more heat/amperage will be required, because aluminum disipates heat so fast. Large fabrications may have to be preheated with a torch.



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Bill 52 8n

05-03-2003 16:37:10




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 Re: Weld Aluminum in reply to Chopper, 05-02-2003 04:52:43  
Check under the cover where the wire spool is, chances are there is a chart there that will tell you. My Hobart 200 has a chart under the cover for steel/aluminum settings.

Bill



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Central Minnesota

05-02-2003 06:05:20




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 Re: Weld Aluminum in reply to Chopper, 05-02-2003 04:52:43  
Play with the welder on some scrap until you get the results you like. Different alloys weld different and the wire alloy that you have makes a difference too. Just take some time and try different combinations of current, Cfm, and filler wire. Practice is the only way to improve your proficiency anyhow. If the light 1/16" metal 'falls away' as you weld you may have to back it up with a piece of copper. You can't hurt anything so go for it.

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bob

05-04-2003 12:08:28




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 Re: Re: Weld Aluminum in reply to Central Minnesota, 05-02-2003 06:05:20  
dont forget to clean it with a stainless steel brush. dont use the brush on anything other than aluminum or the steel residue will interfere with the alum weld.



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