How To Spot Weld Sheet Metal

A wire feed or tig welder is ideal for sheet metal but we will assume that you don t have one.

How to spot weld sheet metal.

Try going for a wire of 023 inches when welding sheet metal. My names matt urch and i own and. The real trick to weld sheet metal is to use a wire feed. So while i was at it i thought i show you some ways of spot welding and bu.

In this video matt goes over the basics and techniques of spot rosette welds. Spot welding uses the heat from an electrical current to join 2 pieces of metal quickly and is typically used for joining sheet metal. Im installing floor pans in my 86 cutlass and i have to add some metal to the pan. For sheet metal i use ine welding wire and it is just as good as their flux cored wire if you want you can grab one here.

Just kidding this tip is to explain how to weld sheet metal with a stick welder. The process of spot welding sheet metal fabrications is quite simple it is basically harnessing the heat generated by the resistance to electrical current flow at the interface joint of two separate pieces of sheet metal. Tig welding sheet metal. Learn how to mig weld automotive sheet metal in about 5 minutes or less.

If you are doing sheet metal work on your car then you will certainly need to. We need to establish what is considered thin metal. I keep it short and to the point in this welding instructional video and show how ve. At v f sheet metal we can spot weld mild steel zintec galvanised steel and stainless steel in gauges from 0 7mm to 3mm thick.

To weld sheet metal with solid wires use electrode positive ep or reverse polarity. Don t attempt to weld thin materials like sheet metal with flux cored wires which put more heat into the base metal. While wire feed welding sheet metal go for short bursts of welding instead of a going on a long bead. It s also easy to do with a spot welding machine which has 2 electrode tongs about 6 inches 15 cm long that pass an electrical current through the metal to fuse them together.

Here s a quick video on how to plug weld sheet metal using mig without blowing yourself a bigger hole than you started with.