How To Weld And Patch Auto Sheet Metal

After slicing the patches out with a cutoff wheel next came the bending hammer and dolly session until the patches matched the holes and fit snug and flush into the flanged seat.

How to weld and patch auto sheet metal.

The proper way to do this is to do a series of tack. I then used the templates to trace out the patch panels on some sheet metal. Once complete the welds will be ground flush being careful not to thin the metal on either side of the weld. Learn how to mig weld automotive sheet metal in about 5 minutes or less.

Ditch a 1 8 inch tungsten electrode for something much smaller like 1 16 inch tungsten. I keep it short and to the point in this welding instructional video and show how ve. Because it will have you a lot more control over the whole process and it is more forgiving in case you do anything wrong. Ideally there should be a 1 32 gap between the patch and the body panel.

Every restoration that passes through mcr needs some sort of sheet metal work that involves welding in new pieces so we thought we would show you how we join body panels together. These left and right trunk floor extensions part no. After cutting and fitting the new panel you are now ready to weld the patch panel in place. See all 13 photos with the bottom layer welded the next patch can be tack welded in.

I used a piece of pvc pipe a vice mount miniature metal break and body hammer kit. The best two electrodes for welding auto body sheet metal is either ceriated tungsten or thoriated tungsten. Tack welding is the best way to hold the metal in place before you fully weld it to the original metal. Take some time to make your patch a perfect fit.

To obtain the best results while mig welding sheet metal proper fitment and cleanliness of the metal are essential. Second never stitch weld you ll warp the panels beyond repair. First off never overlap seams always butt weld. This will hold it in place and allow you to weld it properly.

That makes this a one handed process. Tack welds are simply small welds that barely penetrate the metal and aren t pushed or pulled to form a bead. So you can keep the other hand free for manipulating your materials and other tools.