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无铅焊锡丝炸锡、爆锡造成的原因和解决方案

2020-6-20 18:43:13??????点击:

什么是炸锡?

炸锡是指在焊接作业时,高温烙铁头碰到焊锡丝时,会发出一种炸裂的声音,同时会弹出一

些色泽光亮的小锡珠固体金属,这就是炸锡现象。

炸锡的原因

表面原因:
1.受潮水份的问题:

由于空气中存在水分,特别是春天雨多,潮湿的天气,容易使焊锡丝或电路板因为保管不周或不

妥而受潮,附有水份在表面,这种可能会引发断续性的炸锡或爆锡现象。

2.焊锡丝加工的问题:在生产焊锡丝过程中,经过拉丝机时,焊锡丝如有裂缝,拉丝油会随裂缝渗入,


也是引发焊接作业时炸锡现象的发生。

主要的原因:

最主要的原因是由于焊锡丝的结构造成的,只有认识到这一点才能真正的解决问题所在,焊锡丝的结构

是锡在外面,焊锡丝内有一小管道是填充满助焊剂的。在焊锡的时候,如果高温烙铁头碰到焊锡丝,焊

锡丝内的助焊剂会迅速融化产生大量气泡炸开,因为焊锡丝管道是密封的,产生的大量气泡引起高压,

压力大于管道的压力时,形成将焊锡炸飞,从而形成爆炸。

如果您买到这类焊锡丝,一定会及时反馈给焊锡丝供应商,让他们改善这种现象,否则炸锡后残留多,还得

需要清洗。

  华金金属是专门生产焊锡丝的厂家,采用云南原矿精锡作为原材料,所生产的焊锡丝产品质量稳定,焊点饱

满光亮,焊接飞溅少,无需清洗。

如果您需要采购焊锡丝产品记得来华金金属哦,华金金属二十年专业生产焊锡丝,质量稳定,厂家直销,价格

优势。


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