Spot Welding Aluminum Sheet Metal

The more time the arc is in an area the hotter it.

Spot welding aluminum sheet metal.

Spot welding uses the heat from an electrical current to join 2 pieces of metal quickly and is typically used for joining sheet metal. It requires a lot of experience patience and skill to get the desired results. We all know that welding is cool to watch with special shields or goggles on of course and welds have a nice surface finish once they are ground and polished. Use three phase electrical energy to spot weld aluminum.

Tig welding is an advanced technique that involves the use of both hands in a slow and controlled manner. For designers welding also offers a lot of freedom because you don t have to design flanges to accommodate a rivet or spot weld and geometry can be more dynamic. Even professional welders can create excessive heat affected zones and burn through while welding sheet metal. For commercial quality welds on 1 2mm mill finished sheets weld settings are typically in the region of.

Share this trick and if. Aluminum spot welding is becoming more common as aluminum replaces steel in many applications where weight is main such as automobiles. Typical aluminum alloys for sheet fabrication are 3003 and 5052. A 5356 filler metal also works for 5052 materials specifically.

The standard bs en iso 18595 resistance welding spot welding of aluminium and aluminium alloys weldability welding and testing provides useful guidelines. 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. To prevent burn through and warping don t whip or weave the torch. When welding sheet metal the main thing to look out is to prevent warping and burn through.

This type of electrical power is wanted for the big output current that spot welding requires. 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. Techniques for welding sheet metal. In this video lazze shows how you can spot weld aluminum with a standard 220 volt spot welder that is probably already in your shop.