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  #41  
Old 07-07-2010, 11:47 AM
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MM175. I've seen the spatter spray coatings, but I dunno. The welder is maybe 3 years old.

However, it doesn't matter if I'm welding 1/4, 3/16, or 1/8 (all of which that welder is rated for) it still spatters like crazy.
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  #42  
Old 07-07-2010, 12:22 PM
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I use the anti spatter spray and dip the tip of the gun into a blue goop that keeps the spatter from sticking to the welder itself. I also found that I needed more gas, 75/25, to get better welds. I still suck but there is far less spatter.

You can buy the spray at Murdoch's' or welding supply places.
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  #43  
Old 07-07-2010, 12:31 PM
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Weird.. so 75/25 is good...

I've never really had a problem with spatter and I don't use any spray other than a little bit on the gun to keep it clean.
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  #44  
Old 07-07-2010, 01:10 PM
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What wire? I found that makes a big difference. I'll have to check what I burned with last time.
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  #45  
Old 07-07-2010, 02:22 PM
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.030 Lincoln solid wire.
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  #46  
Old 07-07-2010, 03:19 PM
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Spatter comes from impurities. If your shielding gas pressure is too low or the metal is dirty you will get lots of spatter. It's caused from trapped volatile gases "boiling" the puddle. Spatter wire (flux core) is a good example as the flux is melted into the puddle so it spatters as the gas escapes.

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You "bologna" cut the sleeve. /______---->
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  #47  
Old 07-07-2010, 04:15 PM
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Spatter comes from impurities. If your shielding gas pressure is too low or the metal is dirty you will get lots of spatter. It's caused from trapped volatile gases "boiling" the puddle. Spatter wire (flux core) is a good example as the flux is melted into the puddle so it spatters as the gas escapes.

______
You "bologna" cut the sleeve. /______---->
I dunno then. I get spatter when I have nice clean beveled edges, or just tacking something to hold something else that has mill scale. Maybe its the mig gun tip getting some clogging.

I'm trying to understand bologna cut? What is the arrow off on the right, and are you trying to indicate just a diagonal cut?
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  #48  
Old 07-07-2010, 05:06 PM
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Quote:
Originally Posted by AxleIke View Post
I dunno then. I get spatter when I have nice clean beveled edges, or just tacking something to hold something else that has mill scale. Maybe its the mig gun tip getting some clogging.

I'm trying to understand bologna cut? What is the arrow off on the right, and are you trying to indicate just a diagonal cut?
Yessir. The arrow just means the sleeve continues that way. hmmmm I'll snoop Google.....
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  #49  
Old 07-12-2010, 10:11 AM
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Got some more done. I now only have one tie rod left to make and I should be good to go!

Anyway, some progress:

First off, I "bologna cut" the center link sleeve and drilled it full of holes for rossette welds:





Then, after checking everything lined up, it was BARBEQUE TIME!!!!



The thermometer on the top of the grill read about 600F, but I'd imagine its only accurate to 50 deg at best. However, it was hot. I let the parts heat in there for 45 minutes, then pulled them out part by part and welded them up, with one 10 minute re-heat of the main piece in the middle of it.

Welded great, so I'm pretty sure my "tests" of the metal were accurate enough, by which I mean, it was a forged piece.

After welding, I put the whole thing back under the grill for another 30 minutes, and then shut the grill off, and kept the lid closed and let it cool. I think it was pretty slow cooling.

Anyway, I did not have a chance to shoot pictures while welding things up, as it was too rushed.

However, this is the finished product, checking for fitment on the truck:





I think some of those braces are a bit large, so I may trim them down a bit.

Here are a couple shots after doing a little clean up grinding, next to a stock unit:







I'm hoping this will result in a steering system that won't bend. I seem to have this knack, however, of not getting things to do what I want them to do.

Anyway, I also got one tie rod welded up, but don't have a picture yet. Not too impressive though, just a straight piece of DOM with two threaded inserts welded it, also with rossette welds.
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  #50  
Old 07-12-2010, 11:05 AM
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Curious, what's the reason for "cooking/heating" the metal?
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