Gas Metal Arc Welding (GMAW)

In gas metal arc welding, figure "Gas Metal Arc Welding Plant", an electric arc produces heat between a continuously fed metal electrode and the base metal. The arc is shielded by a gas. This process is popular in production and repair shops. It is often called MIG (Metal Inert Gas) welding. Details at http://www.educationportals.net/brief-details-about-advanced-welding-process