The Method of MIG Welder (Metal Inert Gas Welding)
The method of MIG (Metal Inert Gas) was originally developed as a solution to weld metal thickness greater than ¼ inch, using the principles used for TIG, but using inert gas protection. MIG welding was used in the past only to weld heavy gauge metal, but today this type of welding has become one of the most versatile for joining metals.
MIG welding is performed through continuous consumable electrode arc and inert gas protection. The electrode is used, is a continuous thread that is fed automatically through a welding gun, which is kept at a distance of approximately 10 mm piece.
The high rates of production and ease of operation make the MIG welding is a very attractive rate within the industry.
This type of welding, possesses important qualities for welding steel, among which can be named:
* The gun and the welding cables are lightweight, making it easy to handle.
* It is one of the most versatile of all the welding systems.
* Speed of deposition.
* High performance.
However, despite these benefits, MIG welding also has some drawbacks:
* The smoke and prevent the welding sparks correctly see the weld.
* Once you start welding, you follow the weld, with a fixed rate.
* The choice of which will serve as an electrode wire and the shielding gas, have great impact on the weldability and weld quality.
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