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Posted: 2/4/2017 9:23:41 AM EDT
[#1]
Quoted:
Is a harbor freight 120 amp flux welder good enough for this? Only need a few welds and can't buy a $500 Miller. Thx a grinder and paint makes me the welder I ain't. |
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Posted: 2/4/2017 9:55:22 AM EDT
[#2]
Quote HistoryQuoted:
It is sheet metal and and tube. a grinder and paint makes me the welder I ain't. Quote HistoryQuoted:
Quoted:
Is a harbor freight 120 amp flux welder good enough for this? Only need a few welds and can't buy a $500 Miller. Thx a grinder and paint makes me the welder I ain't. In other words yes!! 
I did my first with a 110 flux core |
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Posted: 2/4/2017 10:32:59 AM EDT
[#3]
Ok sweet. What speed or other settings did you use?
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Posted: 2/4/2017 11:07:30 AM EDT
[#4]
I don't remember! You should join up over at weapons guild. Lots of great info for a home build and much better than weaponeer IMO
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Posted: 2/4/2017 1:30:56 PM EDT
[#5]
Quote HistoryQuoted:
Ok sweet. What speed or other settings did you use? Watch you tube videos, Practice practice practice.. |
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Posted: 2/4/2017 7:38:50 PM EDT
[#6]
I welded up my mk2 reciever with a little 100 amp lincoln machine. I think I even had it on the highest setting. But as stated before, I did a bunch of testing beforehand, mostly to make sure I didn't burn through. The leftover scraps from the old receiver worked good for that. So the harbor freight machine should do fine.
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Posted: 2/4/2017 9:55:26 PM EDT
[#7]
I built my CETME L with a 110v $99 amazon welder, and it was the first project I had ever welded.
So yes, just sheet metal to a block, and sheet metal to sheet metal, it's perfect. As the poster above said, a grinder and paint makes me a great welder 
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Posted: 2/4/2017 11:16:55 PM EDT
[#8]
Sounds good, thx guys.
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Posted: 2/5/2017 4:41:14 PM EDT
[#9]
if you are worried about too much heat, get a chunk of brass round stock the inner dimension of the tube. It will act as a heat sink and prevent the burn through.
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