Function Of Inert Gas In Mig Welding. An inert gas does not react with the molten weld at all while an active gas participates in the welding process by stabilising the arc and securing the smooth transfer of material to the weld. As the gases used do not react with the base and filler materials MIG welding is mainly used for joining copper aluminium or aluminium alloys and other non-ferrous metals.
While inexpensive carbon dioxide is not without its faults when used in welding. The metal shielded-gas welding is limited to the metal inert-gas welding process operating with an inert gas as shield as well as a process combination with plasma welding plasma metal shielded-gas welding - PMIG. MIG welding or Metal Inert Gas welding is an arc welding process that uses a continuous solid wire electrode and shielding gas for laying welds.
A continuous electrode the wire is fed by powered feed rolls wire feeder into the weld pool.
A further subdivision is possible depending on the mechanism of metal transfer. MIG Metal Inert Gas welding is a welding process in which an electric arc forms between a consumable wire electrode and the work piece. This eliminates the possibility of oxidation of the weld seam which is. The metal shielded-gas welding is limited to the metal inert-gas welding process operating with an inert gas as shield as well as a process combination with plasma welding plasma metal shielded-gas welding - PMIG.