M.I.G. / T.I.G. WORK

MIG

​

Metal inert gas (MIG) welding, also known as gas metal arc (GMAW) welding, was developed during World War II as a way to produce weapons and equipment more quickly. MIG welding uses an arc of electricity that creates a short circuit amidst a constant anode and a cathode. The short circuit produces heat and a non-reactive gas. This melts metal, enabling it to be mixed together. After the heat is removed, the metal cools down and then solidifies, creating a new fused metal. This type of welding can be done either semi-automatically or automatically. Automatic MIG welding can be done with a robotic arm, while a person is needed to guide the gun during semi-automatic welding.

 

TIG

 

Tungsten inert gas (TIG) welding utilizes a non-consumable tungsten electrode that produces the electric arc for the weld. Unlike MIG welding, TIG welding does not require additional metal to be added. However, it can be added via a separate filler rod. TIG welding is performed via an electric current that is released through the metal tip of the electrode. TIG welding can be done either manually or automatically.