Speed tacking involves setting amperage to 30-50 percent higher than normal welding amperage. Then using a torch switch or foot pedal, use very quick blasts of half a second or less to fusion tack weld.
this makes for very quick tack welding that is clean and free from oxidation.
Using too low a wire speed can have a big effect on penetration. Not a problem on thin stuff or 11 ga outside corner joint but on a tee joint where more heat is needed, too low a wire speed can definitely result in lack of fusion.
This machine will burn a 1/8″ (3.2mm) 7018 rod all day long.
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