Learn how to mig weld automotive sheet metal in about 5 minutes or less.
Bodywork welding sheet metal.
Butt welding sheet metal the best way to weld sheet metal panels together is by butt welding which is joining them side by side see picture below.
Thick materials resist distortion due to their bulk and to their tendency to act as their own heat sinks.
Making a patch panel.
Now my stick out is about 1 8 i try to stay about 1 16 distance from the metal my cup size is usually a 5 or 7 and the way i do amperage is 1 amp per metal thickness.
Try welding with a scrap sheet metal piece and practice many times until you start working on more important projects.
Get it as soon as sat sep 19.
Laniakea spot weld cutter 3 8 inch dual sided circular cutter blade hss 1 4 drill bit spot weld cutting tool set for racecar auto body remove sheet metal tack welds.
Ditch a 1 8 inch tungsten electrode for something much smaller like 1 16 inch tungsten.
These left and right trunk floor extensions part no.
Try going for a wire of 023 inches when welding sheet metal.
It is softer and finishes well while reducing the heat required to weld it.
840 2570 l 840 2570 r 129 99 each from auto metal direct will replace the rotted out sections on our e body project.
Because it will have you a lot more control over the whole process and it is more forgiving in case you do anything wrong.
I keep it short and to the point in this welding instructional video and show how ve.
It s also important to select a filler metal that is thinner than the base metal or as close as possible.
So say you are welding 18 gauge sheet metal that would be 0 0478 in decimal so i would set my machine at 48 amps.
The main considerations in that kind of welding are penetration bead deposit bead shape and strength.
For one thing welding thick metal pieces rarely involves having to worry about heat distortion and material warping.
The best two electrodes for welding auto body sheet metal is either ceriated tungsten or thoriated tungsten.