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Old November 24th, 2007, 11:27 PM   #1
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Default stick welder help (OMG it works now!!!, response #28)

I cannot get this darn thing to work right.. It keeps just welding the stick to the part I'm working on and won't hold a constant arc.

7018 rod. I'm welding a 1/4" round piece of weld steel to a body mount. took a grinder and cleaned up all the rust as well at a spot for the clamp.

I've tried all sorts of angles - flat to nearly 90°, push, pull, light pressure, heavy pressure, more power, less power, moved the clamp around to the bar itself. I cannot get this to work... I had a welding class at Ferris where we stick welded and I think it stuck twice, both times being accidentaly touching the piece.

Gotta pack it up by tomorrow morning, so hopefully I'll get some quick responses...

*edit, almost forgot

It's not melting the flux around the electrode for some reason, I have to keep cutting it away because the electrode melts away inside leaving a short hollow tube of flux.

Last edited by Captain Ledd; November 24th, 2007 at 11:31 PM.
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Old November 24th, 2007, 11:29 PM   #2
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Sounds like your welding rod has seen some moisture. Try a different one.
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Old November 24th, 2007, 11:32 PM   #3
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allright, I'll give that a shot. That'd kinda bum me out because it's a brand new package that I opened earlier tonight...
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Old November 24th, 2007, 11:53 PM   #4
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A 7018 rod ideally should be baked before use. You can preheat them in the oven at around 300-350* for about 20 minutes to get the moisture out.

The 7018 is a low hydrogen rod so when it gets wet it doesn't work right.
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Old November 25th, 2007, 12:05 AM   #5
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x2

I think i'm going to put an old oven in my garage.... I'm always baking parts and welding rods
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Old November 25th, 2007, 12:07 AM   #6
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ooohhhh... allright, I'll try that.

I did try another rod, 3 actually. One welded nice for about 3/4 of a second and then did the same thing.

Man.. I was recommended these as a good all around weld just about anything rod...

Well that still a little more reassuring motor slut and pre4runner. *goes to preheat the oven. never thought 4 little hangars would be so much trouble..

and I can cook some chicken afterward

Last edited by Captain Ledd; November 25th, 2007 at 12:11 AM.
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Old November 25th, 2007, 12:49 AM   #7
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nope. same thing. gonna put them in for another 20min @ 350...
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Old November 25th, 2007, 12:50 AM   #8
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also what diameter rod? and how many amps are you trying?
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Old November 25th, 2007, 01:02 AM   #9
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yeah, was just looking that up actually. Just remembered that I never sold back my welding book so I dug around and found that.

3/32 rod. 125 amps. which is high I guess, book says 70-100 for that kind of rod. I had it set at 125, which supposedly is better suited for the next size rod.

Gonna try that after this round of baking is done. It's a 240 welder.
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Old November 25th, 2007, 01:07 AM   #10
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Round 2= Farmers rod...Good old 6011
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Old November 25th, 2007, 01:16 AM   #11
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thats a number thats familiar.. I may just go ahead and try some of that next weekend I particularly recall welding with that one.

As I said before, I was recommended this as a easy, weld most anything, general garage use rod...
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Old November 25th, 2007, 01:20 AM   #12
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I alway have good luck with 6013 3/32 Rod. I have the same issues with 7018 rod....
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Old November 25th, 2007, 01:37 AM   #13
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one last thing, would switching the leads make a difference with this rod? the welder doesn't have a + and - and I can't recall which is which.. I think I had this problem with one rod from class now that I think about it.. damn.. I should really think more. This hindsight crap is getting old. must be because I'm frustrated and it's late..

too hungry now, I'm gonna try switching the leads later...
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Old November 25th, 2007, 01:48 AM   #14
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The 6011 is better suited for an all purpose rod, you will get better penetration. At work we weld root and hot passes with 6010 (pretty much the same as 6011) and cover with the 7018.
Try switching the polarity if you think the leads might be wrong. Usually I can tell by sound when the leads are mixed up.
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Old November 25th, 2007, 02:26 AM   #15
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I don't know a ton about stick welding. But I do know 125amps is too high for 3/32 rod.
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Old November 25th, 2007, 03:22 AM   #16
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Quote:
Originally Posted by Monkeyevil View Post
I don't know a ton about stick welding. But I do know 125amps is too high for 3/32 rod.
well, I didn't, not owning a welder makes me a little out of practice.

Switching leads didn't help either... I'll pick up some 6011 and see what I can do next weekend...
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Old November 25th, 2007, 10:10 AM   #17
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7018 is a drag rod don't hold arc lay it right on the work and drag .
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Old November 25th, 2007, 11:02 AM   #18
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yeah I was dragging actually. Of course by the time I probably got everything set up right it's was so screwed up and lumpy I still couldn't start it. I have to leave for college in an hour or two. I'm pretty much done for now..
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Old November 25th, 2007, 07:17 PM   #19
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Quote:
Originally Posted by Captain Ledd View Post
well, I didn't, not owning a welder makes me a little out of practice.

Switching leads didn't help either... I'll pick up some 6011 and see what I can do next weekend...
I wasn't trying to insult you.
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Old November 25th, 2007, 07:31 PM   #20
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I got a stick welder for free from a school that was throwing it out cause it was doing the same thing you're describing.Took the cover housing off,repaired the corroded wire terminals on the plug supply voltage,it worked great after that.
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