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Co2 Welding Process. The arc so produced creates a large amount of heat and this heat is used to join the two metal pieces together. A solid wire can also be used for the T electrode.
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Typically for a giving wire speed setting more voltage is needed for co2. MIGMAG welding is actually two different welding processes. The MIG welding process is based on the principle that a consumable metal electrode is used to produce an arc in between the metal electrode and the workpiece.
The process can be semi-automatic or automatic.
This process uses inert ie non-reactive shielding gases such as argon helium or a mix of the two. The CO2 gas ejected from the nozzle decomposes into CO at high temperature and emits O2. When added to Argon welding gas in small amounts of 5 to 25 CO2 helps to stabilize the welding arc. CO2 gas shielded welding is an active gas shielded welding so it is also called MAG welding or MAGC welding.
