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Old January 13th, 2008, 09:59 PM   #1
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Default YJ bumper and welder question.

I'm looking to build a front bumper for my YJ and I want to know what size metal i'd need to do something like this:

http://www.greatlakes4x4.com/showthr...YJ+rear+bumper

I am doing this for a shop project and they only have a 125 Mig welder so i thought this would work better. I mainly want to know how thick of metal I need for the D-Ring/mounting brackets.

Also:
I'm looking into getting my own welder and I wondered if any of you liked the Hobart Handler 125. I know Hobart is owned by Miller so I would think the quality would be top notch. I really would only be using this for bumpers and stuff and maybe a SOA for spring perches and stuff. Would the welder do the trick?
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Old January 14th, 2008, 09:00 AM   #2
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for a bumper the thinnest material I would use is 3/16" wall. I am just about done with my new front bumper build. it is 2x4x3/16" tubing, the frame mounts are made from 6x6x1/2" angle, with weld thru clevis mounts and a 2" receiver hitch. the only thing I have left is to finish weld it at a buddies shop on his welder. I tacked everything into position at home with my 110v welder but on something that will get a good deal of force applied it should be done with a 220v machine. if you can I would go right with a 220v welder. don't know about hobarts but lots of people like them. I was recently looking at the Lincoln 185.
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Old January 15th, 2008, 01:02 PM   #3
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you will be just fine without a 220 mig welder. Its all about design, design the bumper so that the shackle mounts are bolted to the frame in multiple spots, and ahve the bumper welded to the shackle mounts. this puts no stress on the welds or bumper itself but only on the bolts.
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Old January 15th, 2008, 01:12 PM   #4
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If you are going to weld the D ring mounts to the bumper, be sure to pass your mounting tab through the tube so you can weld it on both the front and back side of the tube. That will give a little extra strength and help prevent damage when side loading the D ring mount.
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Old January 15th, 2008, 08:20 PM   #5
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How thick should the metal for a D-Ring mount be? I wanted to use the D-rings to bolt to the frame but It'd be difficult with the tube brace in the front of the YJ. I'll probably go over it a few times with nice welds.
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Old January 15th, 2008, 09:10 PM   #6
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the weld through mounts I used are 1" thick
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Old January 15th, 2008, 09:21 PM   #7
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Thanks! How exactly are you mounting it? Are you using the same method as stock?
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Old January 15th, 2008, 09:43 PM   #8
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yes, I had a bunch of 6x6x1/2 angle that I used for the frame mounts. here are some pix from when I mocked it up to get everything in place.
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Old January 16th, 2008, 07:04 AM   #9
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That looks great, I'll post pics of mine when I'm done!
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Old January 16th, 2008, 08:31 AM   #10
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thanks. definitely post pix I would like to see it. I should post some pix with all the other work done on it as I angle cut the ends and capped them and since it is currently off the jeep you can see the mounts better
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Old January 16th, 2008, 10:11 PM   #11
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That's basically exactly what i'm doing with mine. I had an idea for the D rings though that i haven't seen before. I think i'm going to weld the D ring part to a square piece of 3/16" then put the D ring mount through the holes i'll put in the bumper then weld it on the face and weld the square on the back of the bumper. That way it will spread the pulling load out onto a larger surface, not just the weld on the back of the bumper. You'd basically have to pull so hard that you would break the welds.
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