Argon welding is the modern method of working with metals

Many people know about gas and electric welding. Recently they came a better method of working with various metals. It's called "argon welding". What distinguishes it from other methods of welding?

The basis of the argon burners is non-melting at very high temperatures tungsten electrode. The choice of this material due to its refractoriness. Around it there is a ceramic nozzle. When welding through it is purged with argon which is an inert gas. The presence of this gas is due to the fact that when exposed to some types of metal such as aluminum, argon welding allows you to keep them from burning, and cover the cod with a crust. It is this inert gas protects the weld from the presence of air which does occur all these problems.

What is the process? Argon welding begins with the moment when the treatment site is served so-called "mass" (there is a similarity with the electric welding). The right hand of the welder holds the torch through which the gas is fed, and left a special filler wire. Each metal requires the presence of "their" wire. For example, when welding aluminum take material from its alloys.

The burner is equipped by the special button which activates the gas supply and electric current. Between the electrode and the metal an electrical arc is formed, which plays the role of a main instrument. It melts the filler wire and the workpiece. At a small thickness of the welded parts of the additive can not be used. Despite its apparent simplicity, argon welding requires a lot of experience from the welder. The ability superior and attention of a specialist depends on the quality of soldering joints and the functionality of the recovered products.

Iron – the material of changing its structure when heated, so the quality of its welding to undertake quite difficult. It is necessary to use special fluxes and rods are made of graphite materials. Welding cast iron with argon allows to make a seam that is close in their properties to the alloy.

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