HOT DIP GALVANNEALED STEEL BUTT JOINING METHOD BY CONTROLLING CMT MIG WELDING PROCESS FOR THE APPLICATION OF TWO WHEELER FUEL TANK UPPER BODY COMPONENTS JOINING

摘要

A method for welding fuel tank upper body, the method comprising steps of: placing fuel tank upper body from inner side over a copper block, the fuel tank being galvannealed, the fuel tank comprising left and right component; maintaining zero root gap between left and right components of fuel tank for butt joining; adjusting CMT MIG welding parameters to minimum heat input of 60 J/mm; and welding the left and right component.