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本文提出了一种ＴＩＧ（ＴｕｎｇｓｔｅｎＩｎｅｒｔＧａｓ）焊自动接触引弧方法，介绍了该方法的原理。试验证明该技术引弧可靠性高，钨极损耗量少，为接触引弧技术开创了一条新途径。
This paper presents a TIG (TungstenInertGas) welding automatic contact arc method, introduces the principle of the method. Experiments show that the arc ignition technology has high reliability and less tungsten loss, which opens up a new way for the contact arc starting technology.