| 摘要 |
PROBLEM TO BE SOLVED: To provide a TIG arc welding torch capable of passing high arc current. SOLUTION: In a TIG arc welding torch, one part of non-consumable electrode 33 is engaged and inserted to an electrode holding groove 40 formed on an electrode holding member 35, and one part of the above non-consumable electrode 33 is pressed and held to the inside surface of the electrode holding groove 40 by elasticity of a spring member 41, and a ceramic member 48 is characteristically arranged between the above non-consumable electrode 33 and the spring member 41. COPYRIGHT: (C)2004,JPO
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