Spool gun on Hobart 140

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kheaton
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Spool gun on Hobart 140

Post by kheaton »

I bought a small aluminum boat for hunting and fishing (which is why I haven't been around in a while). I'm planning to build a fishing deck and a gun/rod box out of .063" 5052. I will Tig all the welds that will be seen but there's a lot of out of sight welding under the casting deck that I would like to Mig. I have a Hobart 140 and was thinking of getting a spool gun for it. All the welding sites I've looked at say buy a bigger machine. Don't have the money for that so I would like to hear from any of you that may be using a spool gun on a small machine. Will it work on .063?
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Re: Spool gun on Hobart 140

Post by hansgoudzwaard »

I can not help you with this, but I go to the Hobart site occasionally, and you could also raise the question there if you wish.

Good luck.

http://www.hobartwelders.com/weldtalk/f ... -Questions
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Re: Spool gun on Hobart 140

Post by Customize IT »

You could aluminum stick weld it maybe?

Stick aluminum rods are cheap?
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Re: Spool gun on Hobart 140

Post by rudog »

I got a spool gun with my Snap-On mig. I may not have had it set right, but, a year later when I got my TIG, I put the spool in a box and don't even know where it is now. I was not impressed with mine. It had poor penetration and didn't look good. I was welding heavy cast to billet and they all seemed to hold. I just didn't trust the welds.
kheaton
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SELF INTRODUCTION: My name is Ken Heaton. I've been in the medical field in the Army for the past 18 years and work on and build bikes as a hobby. My main hobby and goal is to think of parts that do not exist and make them or modify existing parts. I currently own a 99 Softtail that I bolted together, a 78 Triumph bobber that i built from the ground up, a 75 CB360 cafe, and a 76 Kawasaki KH500 that needs a lot of work. I joined the original forum about 8 years ago and I'm glad to see it up and running again!
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Re: Spool gun on Hobart 140

Post by kheaton »

Didn't know you could stick aluminum, will have to look into that. I could just tig the whole thing but I just have foot control and trying to tig while on my back cramped under the bow deck is going to suck with a pedal.
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Re: Spool gun on Hobart 140

Post by jimmib »

See if Hobart makes a plastic liner for your mig gun and run aluminum wire with argon gas. Less than 140 amps will weld that thin stuff. Lot cheaper than a spool gun!
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kheaton
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Re: Spool gun on Hobart 140

Post by kheaton »

Well I tried running aluminum wire through my gun without replacing the liner. It feed good with no issues.....the weld on the other hand looked like a cat shit on my work piece. Still working to get the settings right.
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Re: Spool gun on Hobart 140

Post by curt »

the aluminum wire will pick up contaminants from the unlined sleeve and make welding more difficult even on a new liner
ever notice when you hit somethin or someone with a hammer you feel instantly better
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Re: Spool gun on Hobart 140

Post by Dusty-Dave »

kheaton wrote:Well I tried running aluminum wire through my gun without replacing the liner. It feed good with no issues.....the weld on the other hand looked like a cat shit on my work piece. Still working to get the settings right.
Aluminum requires AC or reverse polarity DC (gun positive) You need 100% argon or 50% argon 50% helium you need to push the wire not drag it and it shouldn't make the bacon frying sound you get with steel. If it makes the frying sound the wire speed is too high. If it's set right the wire sprays tiny drops into the puddle. That's all I can think of right now
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