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bu xiu gang dian han bu wei de bian se fang zhi fa
Pages: 49
Year: Issue:  3
Journal: Welding Technology

Keyword:  银钨下电极原性铜电极压平;
Abstract: <正> 用磨耗少的银钨材料作下电极,上电极采用MCZ材料(或普通铬铜电极亦可),对工件进行点焊。点焊前,在清洁的下电极上涂上甲醇,然后通电使工件加热到800℃以上。此时甲醇汽化为还原性的氢气,保护点焊
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