Welding Patches In Sheet Metal

In this video im showing you the process i use to do small rust repairs where a complete panel.

Welding patches in 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. The video is still worth watching if you have never done this before i have videos. When welding patch panels should you use a lap weld or a butt weld. Sheet metal welding techniques.

Along with examples and simple explanations this video will help you make that decision. See all 13 photos. Learn how to mig weld automotive sheet metal in about 5 minutes or less. I used a piece of pvc pipe a vice mount miniature metal break and body hammer kit.

I then used the templates to trace out the patch panels on some sheet metal. Mcr s method of butt welding sheet metal is to do three or four quick tack welds followed by and air quench. In order to weld sheet metal or patch panel you have to follow certain rules and use specific techniques. Ideally there should be a 1 32 gap between the patch and the body panel.

Also it will ensure that you don t get any warping of the materials you are working on and no burn through as well. Tack welds are simply small welds that barely penetrate the metal and aren t pushed or pulled to form a bead. The job is half assed but i had no choice in my situation at the time. Here s a few tips on repairing rust holes in car body panels.

Making a patch panel take some time to make your patch a perfect fit. I keep it short and to the point in this welding instructional video and show how ve. To obtain the best results while mig welding sheet metal proper fitment and cleanliness of the metal are essential. How to prep panels to achieve the perfect butt weld using eastwood s perfect panel prep tool.