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如何做到镀锌板焊接后不生锈

更新时间: 2020-10-13 00:00:00     

1 原因:镀锌板焊接时由于高温将镀锌板表面电镀的锌层熔化了,露出了铁板的基材,所以焊接后容易生锈。

2 方法:一般如油烟机风机中镀锌板都采用铆接结构或加防锈液冷却点焊的加工方式,如果一定要采用保护气焊,只能是焊接后进行表面处理,比如整体喷漆、烤漆,另外还有一种更简单的就是用防锈膏,直接涂在焊接位置即可!

关键词: 如何 做到 焊接 生锈

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