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Types of Resistance Welding: Know The Different Top 5 Types

Types of resistance welding
Hey all, here I am with another article. Today in this article, I will tell you about different types of resistance, their working, application, and much more.

Types of Resistance Welding

There are five types of resistance welding:
  1. Spot welding
  2. Projection welding
  3. Seam welding
  4. Flash welding
  5. Butt welding
Here are the different types of resistance welding scroll below to know the different top 5 types.

1) Spot Welding

In the spot welding process, the two parts have to be held tightly between two heavy electrodes to join them. Both these parts are connected in the subsidiary circuit. When the two parts are joined, high heat is formed after the maximum resistance exits. The heat generated fuses off the workpiece. In the same way, the pressure is applied to the workpiece through electrodes. And that is how welding takes place—this movement of electrodes forms a circular nugget. 

2) Projection Welding

This type of welding uses a flat electrode. Projection welding is more or less is similar to spot welding. However, projection welding localizes the current flow and resultant heating. Due to this, the thick parts can be connected, which is not the same in spot welding. An ample amount of current passes through the workload present in the center. A tiny amount of pressure is given on the welding plates, which melts the plates and causes them to form a weld. 

3) Seam Welding

Sema welding is the same as spot welding, the only difference being that here continuous weld is produced. The constant welding is generated due to passing the work between rotating wheel-shaped electrodes. This uses the welding pressure and helps in conducting the welding current. This can be continuous or discontinuous. 

4) Flash Welding

Flash Welding is a kind of resistance welding process. This can be used for connecting the two ends of sheets, wires, tubes, or rods. Then an electric arc is generated in the gap of the workpieces until the welding temperature is obtained. At last, the pressure is applied to produce a continuous weld.

5) Butt Welding

Butt welding is quite different from flash welding. In this type of welding process, there is no arcing between the surfaces that are being joined. Instead, the heat is produced entirely due to the electric resistance at the butting covering the current flow.                                       That was everything on the types of resistance welding.  Laxmi Associates leads in power system testing and system diagnostic services. Our services include:
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