Inside of a Mig Welding Gun
A Mig gun is essential just two tubes one that is
electrified for the feed rod and one for the gas,
A trigger and a nozzle to direct the gas and feed
rod together. With a Mig welding gun the
feed rod is extruded through the nozzle along with
an inert gas only when the trigger is pulled. The
welding rod is also the electrode and as such is
creating the arc with the material being welded.
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