post #706 of Old 03-30-2014, 09:09 AM
kdukes4
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Quote:
Originally Posted by zephyr80 View Post
No, there is a greater chance of getting slag inclusions. Flux Core should be uphill only in the vertical position.
ty

Quote:
Originally Posted by rixcj View Post
When welding uphill vertical, angle the mig gun upward about 10 degrees, or so. It is recommended to weave (zig-zag) side to side, while moving up the joint (approximately 3/8" - 1/2" wide). It's important to pause momentarily at the end of each weave ( "holding the sides"). If you don't let the sides fill with weld, you may get undercut along the "toes" of the bead.


Also, don't go slow across the middle....that'll result in a "high crown" on the bead.


So, to summarize, weave diagonally from side to side ( holding the sides momentarily) and go a little quickly across the middle of the weave. Uphill vertical takes quite a bit of practice to master.


Rich
I'll give that a go. when joining 1/8" to 3/16" on a filet/T joint, should I change any of the above to account for possible burn though?


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post #707 of Old 03-30-2014, 02:46 PM
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Quote:
Originally Posted by kdukes4 View Post
ty



I'll give that a go. when joining 1/8" to 3/16" on a filet/T joint, should I change any of the above to account for possible burn though?
Did you get burn through on your other welds?

Vertical uphill on 1/8" to 3/16" is challenging. The suggestions that I gave in my last post was general advice for welding thicker material.

In your case, the method that you used previously (in the picture), should work fine. Vertical up has great digging power and strength. I can guarantee you that your pieces will not break. They look pretty good.

Rich

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post #708 of Old 03-30-2014, 04:00 PM
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Originally Posted by rixcj View Post
Did you get burn through on your other welds?

Vertical uphill on 1/8" to 3/16" is challenging. The suggestions that I gave in my last post was general advice for welding thicker material.

In your case, the method that you used previously (in the picture), should work fine. Vertical up has great digging power and strength. I can guarantee you that your pieces will not break. They look pretty good.

Rich
Thanks Rich, I had some pieces of 1/8" hanging around that I also practiced on with 3/16" to simulate the actual project and only reached a bit of burn through at the top of the bead when I held too long finishing my line. I'll keep practicing(with new gloves ) appreciate the feedback.

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post #709 of Old 04-01-2014, 02:10 AM
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When welding two pieces of dissimilar thickness together focus more of the puddle/heat on the heavier piece. Upill welding can be tough no matter what process is used. Like rixcj said, hold the edges of the weld to help eliminate undercut and simply skip across the middle. The "weave" shouldn't need to be much wider than the material thickness. The only way to get good at welding is to make a lot of scrap first. They're looking good so far, keep at it!

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post #710 of Old 04-02-2014, 09:44 PM
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Made some 3" homebrew sway bar links from my stock XJ links and my brothers old JK links. I think the welds look good for a mig welder job. The outer sleeves are .188" thick 4130

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post #711 of Old 04-02-2014, 10:50 PM
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Not exactly jeep related, but made up a "dual shorty exhaust" for my BBQ...




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post #712 of Old 04-07-2014, 06:04 AM
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post #713 of Old 04-18-2014, 04:37 PM
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outboard project up-hill shot on .035 flux


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post #714 of Old 04-21-2014, 10:17 AM
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some flux core multi-pass. A bit to left, right, left, right looking for what I was hoping for on the top pass.

I'm starting to like the flux core welding, I think Ive finally found some good wire speed settings. I think before I always had the wire speed to fast. Now that I've got it figured out (I think, haha!) I think I'll write it down and leave that inside the welder.




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post #715 of Old 08-04-2014, 05:31 PM
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Hobart 140 flux core on setting 2 with a feed rate of 25ish on 1/4" plate and c pattern bead. I've been welding for little over a year don't know all to much about the science behind welding but I do know what I have welded holds up pretty well for a beginner.
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post #716 of Old 08-04-2014, 06:18 PM
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Quote:
Originally Posted by Cherokee95kid
Hobart 140 flux core on setting 2 with a feed rate of 25ish on 1/4" plate and c pattern bead. I've been welding for little over a year don't know all to much about the science behind welding but I do know what I have welded holds up pretty well for a beginner.
Heat setting only on 2 while welding 1/4" on a HH140? You need to crank that baby up to get some penetration.

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post #717 of Old 08-04-2014, 06:43 PM
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Thanks for the input il deff kick up the heat then I just figured it's been welding nicely and not breaking the welds when I do test things.
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post #718 of Old 08-04-2014, 06:43 PM
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Heat setting only on 2 while welding 1/4" on a HH140? You need to crank that baby up to get some penetration.
x2. being as 1/4" is max single pass rating for that machine, crank it up!

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post #719 of Old 08-04-2014, 06:45 PM
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Thanks again despite the lower heat setting how do the welds look for flux core?
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post #720 of Old 08-04-2014, 06:53 PM
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Quote:
Originally Posted by Cherokee95kid View Post
Hobart 140 flux core on setting 2 with a feed rate of 25ish on 1/4" plate and c pattern bead. I've been welding for little over a year don't know all to much about the science behind welding but I do know what I have welded holds up pretty well for a beginner.
Clean your material before welding,all millscale and anything else back about a 1/2" on each side..

Quit using any type of weaving or C-pattern with fluxcore,it will only cause slag inclusions and poor penetration along with stress within the weld.

Turn your heat up,set wire speed and just do a slight "drag" and follow the puddle in a consistant drag motion,,when done,watch the slag peel off by itself and no spatter.....

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