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30th Jun 2019, 01:39 PM #1New Member
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- Apr 2004
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Welding aluminium- weld building up...
I'm practicing welding aluminium (I did a search but couldn't find a specific answer, sorry) and sometimes I get it, sometimes I don't- hence the need to practice! I am using a spool gun with argon on a cigweld 185. At the moment I am practicing on 3mm square tube (rounded edge) and the weld seems to "pile up"- coming up in lumps. I've tried increasing and decreasing both amps and feed. Any ideas?
Cheers,
Marksilkwood
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30th Jun 2019, 03:01 PM #2Most Valued Member
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- May 2011
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- Murray Bridge S Aust.
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Without pictures makes it hard to recommend, as it could be a multitude of things. I'd say at a guess, that it could be your speed, not wire but your movement!!!
A suggestion, is to cut across your weld to see what your penetration is like.
HTH
KrynTo grow old is mandatory, growing up is optional.
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30th Jun 2019, 03:32 PM #3New Member
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- Adelaide
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Thanks Kryn, just tried cutting through, penetration looks good. I'v managed a couple of decent welds this afternoon, but inconsistent. I guess that means it's more me than the settings. I'll try varying speed and see.
Cheers,
Marksilkwood
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30th Jun 2019, 05:49 PM #4Most Valued Member
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- Murray Bridge S Aust.
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As your welds are inconsistent, then the only cure is practice, and more practice. If you're only welding occasionally, next time you go to weld, you'll need to spend a bit of time getting the "feel" again. If I've been off the tools a month or so, it takes me a couple of hours to get it right, and I've been welding for 50+ years, so don't feel too bad about it.
KrynTo grow old is mandatory, growing up is optional.
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