Spot Welding Sheet Metal With Mig

I like to try and center the weld in the flange or weld seam.

Spot welding sheet metal with mig.

Applicable 10 off coupon code. While sheet metal is primarily a tig welding job there are times when it s handy to have an available mig welder to fuse sheet metal. Buy the kit here. It is similar to plug welding although a hole is not drilled in the front sheet of metal.

The main reason to use a smaller diameter wire is that it takes less heat for melting and hence the metal around the weld is not heated to a very great extent. Mig welding is the preferred method for most automotive bodywork and since sheet metal is the thinnest of metals a large expensive mig unit is usually not required. However in some cases spot welding is also utilized. The hobart handler 140 mig is the best affordable mig welder for sheet metal.

Tig welding sheet metal. To weld sheet metal with solid wires use electrode positive ep or reverse polarity. The two most commonly used methods for welding sheet metal are mig and tig methods. One alternative to plug welding is mig spot welding.

You can than take a drill or a metal punch to make holes in the top layer of the metal. Don t attempt to weld thin materials like sheet metal with flux cored wires which put more heat into the base metal. Mig welding is one of the most appropriate methods used for sheet metal. Instead the power of the mig is relied upon to fully melt the top sheet and penetrate into the back sheet.

Below we show you the process for making a spot weld with your mig welder. This enables you to take control over the. Start by marking out even spacing of where you want your spot or plug welds on the metal. It s one of the highest quality machines available and comes incredibly low priced.

Forget the larger 1 8 inch tungsten electrode and use a smaller one. The majority of the sheet metal welding i ve done was with a 90 amp 110 volt welder. This method is favorable as it leaves room.