first timer flux core welder. fist project. - Page 2 - JeepForum.com
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post #16 of 38 Old 08-05-2011, 07:51 PM
Apollo21
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Yeah the HF wire sucks and doesn't burn well. The penetration stinks. The Hobart wire gives me much better heat and penetration so i can usually speed up the wire instead of going so slow waiting for good penetration.


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post #17 of 38 Old 08-05-2011, 10:45 PM
jclauson
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Flux core is just ugly and messy. Dont stress too much about it.

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post #18 of 38 Old 08-06-2011, 06:34 AM
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Just remember to practice, practice, practice and when you think you are fairly good at it practice some more.

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post #19 of 38 Old 08-06-2011, 08:07 PM
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lincoln flux cored wire works good too. For welding the thinner materials, I usually go with a faster wire speed. Do not try to run a bead, you'll burn right through with the hot flux cored wire. Instead do a stitch weld, moving from one end to the other tacking the metal until you have a uniform weld. It takes time, and patience, but I've done body panels, rust repair, even welded in larger wheel wells in a XJ with flux cored. Practice makes perfect, and get ready to grind down your mess!
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post #20 of 38 Old 08-06-2011, 09:47 PM
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MIG always has lots of spatter, flux core is the worst. You can get some spatter spray to keep it from sticking, or just use the nozzle spray. That grade five bolt you welded was probably cad plated, anything with a coating like zinc or cad is going to blow up like that.
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post #21 of 38 Old 08-07-2011, 12:58 AM
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Quote:
Originally Posted by Tanked View Post
first project. what you guys think? i keep getting lots of splatter even if im cleaning the metal beforehand. I've also tried limiting the wire feed but i still get splatter. I also regularly burnt through the thin metal but with the thicker L channel pieces i think i did really good for a first project.
It looks like hammered **** but it's suppose to right now till you get a lot of practice under your belt then things will look much better.

My first project was with thicker metal and had lots of splatter and piss poor beads but it's still holding together.
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post #22 of 38 Old 08-07-2011, 01:04 AM
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Quote:
Originally Posted by 77351wcj5 View Post
MIG always has lots of spatter, flux core is the worst. You can get some spatter spray to keep it from sticking, or just use the nozzle spray. That grade five bolt you welded was probably cad plated, anything with a coating like zinc or cad is going to blow up like that.
Mig has lots of splatter? Really? As you can see in this pict the burn has not been removed and it is a fresh bead. There has been no spray applied either.
I get this kind of bead pretty regularly with my mig, I do get a buck shot or two every now an again but not often.

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post #23 of 38 Old 08-07-2011, 06:52 AM
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^^ yeah i dont know what he was talking about mig with lots of spatter... more like

mig with improper settings, weld angle, and or weld speed has lots of spatter.


now i want to play a game... guess the welder. Are you using a millermatic? With 100% Argon?

just thought I would guess

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check it out
http://www.jeepforum.com/forum/f22/hysterias-90-yj-build-1190617/
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post #24 of 38 Old 08-07-2011, 08:31 AM
Apollo21
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Maybe he meant flux has a lot of splatter?

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post #25 of 38 Old 08-07-2011, 12:25 PM Thread Starter
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alright so flux is ugly and messy but what is it strong enough for? i want to weld a longer bracket onto my bumper so it goes farther down the frame. will a flux core do the job and be strong enough?

http://www.jeepforum.com/forum/f11/96-xj-build-hybrid-1311863/

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post #26 of 38 Old 08-07-2011, 12:30 PM Thread Starter
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one more thing, what do u guys think does it look good? ill paint it with bedliner later today
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post #27 of 38 Old 08-07-2011, 02:51 PM
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Quote:
Originally Posted by 77351wcj5 View Post
MIG always has lots of spatter, flux core is the worst. You can get some spatter spray to keep it from sticking, or just use the nozzle spray. That grade five bolt you welded was probably cad plated, anything with a coating like zinc or cad is going to blow up like that.
Only when it is not ran correctly............

Both ran on a scrap test peice with Lincoln 180T...

Top is .035 Fluxcore...

Bottom is .035 MIG 75/25 gas....

Wire brushed only,no spatter spray or grinding...

Fluxcore is a much stronger weld than MIG,it gets better penetration because it burns hotter and holds the post heat in longer because of the flux,which makes it a stronger weld..
For sheetmetal MIG is more preferable because it won't burn through as easy.
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fluxcore1.jpg   mig3passes.jpg  

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post #28 of 38 Old 08-07-2011, 06:12 PM
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Quote:
Originally Posted by jclauson View Post
^^ yeah i dont know what he was talking about mig with lots of spatter... more like

mig with improper settings, weld angle, and or weld speed has lots of spatter.


now i want to play a game... guess the welder. Are you using a millermatic? With 100% Argon?

just thought I would guess
Nope....Hobart Ironman 230 75/25.
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post #29 of 38 Old 08-07-2011, 07:53 PM
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Quote:
Originally Posted by 77351wcj5 View Post
MIG always has lots of spatter, flux core is the worst. You can get some spatter spray to keep it from sticking, or just use the nozzle spray. That grade five bolt you welded was probably cad plated, anything with a coating like zinc or cad is going to blow up like that.
This is from me, a newbie learning on a HH187. Didn't brush anything off WHAT SO EVER. Picture is straight after weld...Super messy right?
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post #30 of 38 Old 08-07-2011, 08:33 PM
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Quote:
Originally Posted by wushaw View Post
Nope....Hobart Ironman 230 75/25.
Worth a shot!

1990 YJ w/ lots of home made sh*t

check it out
http://www.jeepforum.com/forum/f22/hysterias-90-yj-build-1190617/
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