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焊铝用什么钨极

更新时间: 2020-08-16 00:00:00     

焊铝需要交流钨极氩弧焊焊机,或直流钨极氩弧焊反接极性焊接。钨极应采用:纯钨极,或镧钨极焊接。钨极不用修磨,直接在引弧板引燃电弧,待钨极形成球形即可焊接使用。

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