摘要 |
PURPOSE: A GMAW welding torch with a superior molten pool protection function is provided to maintain a stable welding condition and reduce welding defects on a welding base material, thereby securing high welding quality. CONSTITUTION: A GMAW welding torch(100) comprises a wire tube(110) through which a wire(101) for welding passes, a nozzle(120) in which the wire tube is inserted, and a gas guide tube(130) which is formed in the space between the wire tube and the nozzle and connected to first and second gas holes(124), respectively formed on the bottom and inclined surfaces of the nozzle, in order to guide protective gas. |