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铝管和铜管怎么焊接谁知道

更新时间: 2020-09-25 00:00:00     

铜铝钎焊接方法:

1、彻底清除母材上的油污、污垢、绝缘层等;

2、焊接时先加温母材,先加热厚件,后加热薄件;

3、先加热铜件,后加热铝件;

4、来回移动焊枪均匀加热焊接部位,焊件温度达到450到500摄氏度时,将焊丝加入焊接部位,让焊丝均匀熔化流入焊缝中。但不可用火焰直接对准焊丝加热、焊丝主要靠母材的温度溶化。完成以后再用火焰微微扫一下焊接部位,保证焊接部位钎料铺展定位,移开焊枪并让其自然冷却,即可完成焊接。

关键词: 铜管 怎么 焊接 知道

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