The tailor-made pulsed MIG arc is exceptionally stable because it adapts to changes in variables. Changes such as electrical stick out (distance between the contact tip and workpiece), travel speed and plate condition. The finished weld, therefore, is less burdened by costly spatter and clean up.
Because output current fluctuates, overall heat input is reduced. This results in out-of-position weld capability (as puddle solidifies faster), decreased distortion, less susceptibility to undercut, and less fume.