Welding is a joining operation that creates the chemical-physical union of two elements, with or without filler material. This processing can be carried out using different machines and techniques: let’s see the most common types.

This type of electric arc welding is carried out with the aid of a fuse wire (with the function of a positive pole or anode) on the object to be welded (negative pole or cathode). The acronyms MIG and MAG refer to the material to be joined: a MIG (Metal Inert Gas) joint is indicated for light alloys while a MAG (Metal Active Gas) is recommended for non-alloy steels.

The peculiar traits of this type of operation are the versatility, the high productivity and ease of use: it can be carried out both manually and automatically and is widespread in most industrial sectors.

In TIG welding (acronym for Tungsten Inert Gas) the electric arc is enclosed between the cathode (infusible tungsten electrode) and the anode (element to be welded, protected by a non-oxidizing gas). High quality and precision are the specifications of this manual or automatic processing, suitable for irreversibly joining a large variety of materials.

Simple, cheap and versatile: electrode welding is probably the most widespread and used type in the world. It is made using an electrode, composed of a core, metal rod, and its coating, consisting of a dried mixture of deoxidizing materials.

Laser welding is one of the most modern methods, particularly suitable for high production volumes. Characterized by a higher energy density, this technique is faster than the others, as well as qualitatively better; it is used in all industrial sectors.

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