HIGH-QUALITY GAS SHIELD ARC WELDING EQUIPMENT

摘要

PROBLEM TO BE SOLVED: To provide an easy and inexpensive welding equipment capable of performing the high-quality welding. SOLUTION: In the high-quality gas shield arc welding equipment 1 comprising a welding torch 3 to be connected to a shield gas feed system 2 by a shield gas hose 4, a refining device 5 to remove water in the shield gas is interposed to a part the shield gas hose 4 as close to the welding torch 3 as possible, at least a part of the shield gas hose 4 including a portion 4-1leading from a shield gas outlet of the refining device 5 to the shield gas outlet of the welding torch 3 is formed of a flexible hose having the gas barrier property and high water repellency. COPYRIGHT: (C)2007,JPO&INPIT