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To gain a fuller understanding of what an dc welder does, let’s first get a brief overview of the history of welding. It will help you to see clearer how the profession of the arc welder evolved as a profession.

A Brief History of Welding

Welding is a process by which certain materials – usually thermoplastics and metals – are fused together. This is usually accomplished by melting the materials together. Then, some type of filler agent is used to form what’s known as a weld puddle around the fused parts. Once this cools, it becomes a reinforced joint of sorts.

It wasn’t until the conclusion of the 19th century that welding began to undergo changes. This was the beginning of the need for the arc welder. Until this time period, the only type of welding done was forge welding. It had been used by blacksmiths for hundreds of years to join metals. As seen in many westerns, this was done by pounding them.

Arc and oxyfuel welding were the first new welding processes to come on the scene. After World Wars I and II, these and other types of welding became popular because they were not only reliable, they were low-cost as well.

The Rise of the DC Welder

As welding technology continued to develop in the first part of the 20th century, the need for the professional arc welder grew.

There are two very common types of advanced arc welding – MIG welding and TIG welding. Each requires a different type of arc welder, ie, a MIG welder and a TIG welder. The difference is in how they work.

A TIG arc welder fuses their parts together by grasping a welding rod in one hand and an electric torch in the other. A MIG arc welder uses a semi-automatic process to join their materials together, eg, a wire feeder instead of a rod.

An dc welder is a highly trained professional, and works in many different sectors – from manufacturing to construction.