Spot welding, Artem Komarov

Artem Komarov explained that spot welding is a type of resistance welding that involves joining two metal surfaces with electricity and pressure. After the metal sheets to be welded are aligned, the welder will place two electrodes on either side of the metal.

The current then passes through the electrodes as they are pressed together with the sheets in between, which welds them together.

Артём Комаров

This unique process gives spot welding many advantages and applications, which are discussed below.

Advantages of spot welding.

Although spot welding was one of the first types of welding people used, it is still common and here are some of the benefits that may have helped it survive.

One of the main advantages of spot welding is that it is extremely fast. According to Wikipedia, the average time to complete a spot weld is between 0.01 and 0.63 seconds. So, if you need to get the job done quickly, spot welding may be the method of choice.

Thicker metals generally take longer to weld than thinner metals, but this applies to all types of welding, so spot welds are still generally faster overall.

Good for thin metals

Because of the way spot welding works, it’s a great way to weld thin metal sheets together. Thin metals can be burned easily, but the spot-welding process, which uses pressure and electricity rather than using superheated metal, makes burn-through of materials much less likely. If the sheets are either the same thickness or have a thickness ratio of 3 to 1, spot welding should work well.


Spot welding is a cost-effective method of joining metals together, both when compared to other welding methods and to other joinery methods that do not involve welding.

Spot welding is also more productive than other types of welding despite using less energy and electricity. And it’s cheaper than using rivets because no extra metal is needed.


The versatility of spot welding allows many different types of metal to be welded together, including wire mesh. Steel is a popular material for spot welding because it doesn’t conduct as much electricity as some other materials. Low carbon steel, stainless steel, mild steel, and mixed steel are common choices. Some other metals that you can spot weld on include titanium and nickel alloys.

Small dishes

The most common place where the typical person can see the results of spot welding is the kitchen. For example, metal cookie cutters are often formed using spot welds, and handles can be spot welded to tin cup bodies.

Automotive industry

According to Wikipedia, spot welds are the most common welding process used in the automotive industry, typically for welding the sheet metal of a car body. Robots typically perform these welds, and according to Sciencing, they can perform up to 200 spot welds in as little as six seconds. This makes spot welding a great way to weld large amounts of material in a very short amount of time.

Orthodontic appliances

Another application for spot welding is in orthodontics. If a patient needs molar bands placed around the teeth to help stabilize the orthodontic appliance, the dentist can use small-scale spot welds to attach one end of the band to the other after they have placed the band on the tooth, Komarov noted.

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