Spot Welding Sheet Metal With Mig

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.

Spot welding sheet metal with mig.

September 10 weldpros mig welding for sheet metal. I like to try and center the weld in the flange or weld seam. Tig welding sheet metal. It s one of the highest quality machines available and comes incredibly low priced.

Don t attempt to weld thin materials like sheet metal with flux cored wires which put more heat into the base metal. Instead the power of the mig is relied upon to fully melt the top sheet and penetrate into the back sheet. Applicable 10 off coupon code. The two most commonly used methods for welding sheet metal are mig and tig methods.

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. To weld sheet metal with solid wires use electrode positive ep or reverse polarity. The hobart handler 140 mig is the best affordable mig welder for sheet metal. Start by marking out even spacing of where you want your spot or plug welds on the metal.

One alternative to plug welding is mig spot welding. For mig welding sheet metal it is often recommended to use an electrode wire of the smallest diameter to prevent burn through and warping. The majority of the sheet metal welding i ve done was with a 90 amp 110 volt welder. However in some cases spot welding is also utilized.

Buy the kit here. Forget the larger 1 8 inch tungsten electrode and use a smaller one. Mig welding is one of the most appropriate methods used for sheet metal. 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.

You can than take a drill or a metal punch to make holes in the top layer of the metal. Below we show you the process for making a spot weld with your mig welder. This enables you to take control over the.