Spot Welding Sheet Metal

To most manufacturers spot welding is the most economical way to join two pieces of sheet metal.
Spot welding sheet metal. 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. Tig welding sheet metal. Just grab a piece of sheet metal to get the heat set correctly and go to town. Don t attempt to weld thin materials like sheet metal with flux cored wires which put more heat into the base metal.
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. Learn how to mig weld automotive sheet metal in about 5 minutes or less. Vehicle manufacturers use resistance spot welding in the factory. Spot welding or resistance spot welding is a type of electric resistance welding used to weld various sheet metal products through a process in which contacting metal surface points are joined by the heat obtained from resistance to electric current.
Resistance spot welding is the joining of overlapping pieces of metal by applying pressure and electrical current. Spot welding uses the heat from an electrical current to join 2 pieces of metal quickly and is typically used for joining sheet metal. Forget the larger 1 8 inch tungsten electrode and use a smaller one. While joining sheet metal is the most common use for the process resistance welding rw equipment actually can be used for a large variety of joining and heat treating projects some of which are not so well known.
These joints created by resistance spot welding form a button or fused nugget resistance spot welds are found typically on flanges staggered in a single row of consecutive welds. The majority of the sheet metal welding i ve done was with a 90 amp 110 volt welder. The process uses two shaped copper alloy electrodes to concentrate welding current into a small spot and to simultaneously clamp the sheets. 14 pack spot weld cutter sets double sided 3 8 hss spot weld cutter remover drill bits hex sheet metal hole cutter remover for power drill spot welding 4 6 out of 5 stars 44 17 98 17.
For 3 32 7018 s it s about the same. I keep it short and to the point in this welding instructional video and show how ve.