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Thread: well, the darn thing is out

  1. #1201
    Senior Member pelago's Avatar
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    DAMN, that thin metal is so hard to fill holes with the mig welder i have, keeps burning larger holes and i just gotta think this out some more

  2. #1202
    Super Moderator gmwillys's Avatar
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    You'll need to play with the settings, because each welder is different. I like to keep voltage fairly high, then adjust the wire speed to fill holes. Hit the hole hot and fast, then bounce around to other spots to prevent from putting too much heat in one area. Too much heat will cause the panel to buckle. You'll get a feel for it with a bit of practice. If you back the hole with the copper plate, that will help a lot. The copper gives you a flat surface, then also dissipates heat to prevent burning through. Invest in a long jaw pair of vise clamps for areas you can reach to clamp the copper in place. On the other areas, that's what the handle is for on the copper. It may not be comfortable for you to reach with the sore ribs, but do the best you can.
    Last edited by gmwillys; 01-16-2019 at 02:42 PM.

  3. #1203
    Senior Member pelago's Avatar
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    continuing to fill holes, reduced wire speed to much slower, lessbuild up. However the entire passenger side is now all tacked in, and will have the drivers side ready today./

    once all sides are sturdy and the holes still are aligned with the main points to hook to frame, i will tip it on its side because the majority of the new stuff will need to be welded from underneat, section of passenger side about 4" X 4" really dimpled got to hammer that out but have to weld more before i do, dont want to pound welds out.... really want to get the bottom done so i can really get in there and paint it good with primer

  4. #1204
    Super Moderator gmwillys's Avatar
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    A bit of body hammer and dolly work will straighten up the dimples.

    Sounds like you are getting the hang of this body work business. Is it as bad as you thought it was going to be?

  5. #1205
    Senior Member pelago's Avatar
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    "as bad as you thought it was going to be? " in many cases worst, there are so many spot weld holes and most can not be filled from back side, tons of them on both sides i think the welders go paid by the weld, but we are trying

  6. #1206
    Super Moderator gmwillys's Avatar
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    On your next project, invest in some spot weld cutters. The cutters make it easy to cut the top layer of sheet metal. A quick touch up with a grinder, and you are ready to lay in the new piece. Then you don't have to deal with filling holes on the back side.

  7. #1207
    Senior Member pelago's Avatar
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    having to deal with warpin, when welding the frame brace under passenger side floor kept warping, normal i guess,,, ran some bolts thru the floor and frame and will probably leave them there, cut off excess and peen the threads and cover with undercoat, but stops the warping anyway,, got bottom half welded, lots of welding, wheel well, back floor, front flor braces and such

  8. #1208
    Super Moderator gmwillys's Avatar
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    Warping is when too much heat is applied in one spot. Stick and move, stick and move. Be like a boxer. The only place that I had issue with welding in the floor, was my own fault. The inside corner of the tool box floor, I didn't move around near enough to disipate heat. The floor pulled upward on the inside radius of the floor. Being that it was on the inside of the tool box, I had to warm up the section with a torch, and beat it back out with a 2x4 and a 2lbs machinist hammer.
    You are doing alright. Every day you learn something new. You'll be an expert if you decide to build up the second Jeep.

  9. #1209
    Senior Member pelago's Avatar
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    well, i can relate to the bfh route, think that when i rotate the body to have the passenger side down ai can effectively beat on it, beat it like red head step child (figuratively only), there are so so many spot weld holes that have to be filled and some re used. but making progress

  10. #1210
    Super Moderator gmwillys's Avatar
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    A bfh is the only way, from time to time. An 8 lbs. sledge can be used a a body hammer if the job requires it.

    A quick story about a bfh. We had an lady that worked with us. She was a little German woman who had moved to the states with her husband. He was an Officer in the German army, and was here to train U.S. soldiers at Fort McMuffin. He passed away due to a heart attach. She decided to go to work, and stay in the states. She was a systems specialist on our command vehicles. We borrowed her for a few weeks to help out on the MRAP program. It was a new vehicle that hadn't been fully engineered, so most parts needed tweaking. She was working to install the driver's rifle mount, but the upper mount was way too long to fit against the 2X2 square tube that makes up the headache rack. Our solution was to bend the amount around the tube to retain the two mounting screws to prevent the mount from rotating. She couldn't bend the tab, so we told her to use a bfh. She spoke a lot of English, but was confused at what a bfh. We spelled it out, bigger friggin hammer. To remember terms, she would repeat new terms in German. Long story short, we learned how to say bfh in German.

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