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錫線炸錫原因及解決方法

2019-10-19 10:01:09??????點擊:

   眾所周知,錫線的使用效果是很重要的,員工的使用體驗是很重要的,安全問題大家也比

較關注,今天,我們就來聊一下錫線炸錫原因和解決方法。

    炸錫的原因主要是助焊劑的粘度太低,不足以抑制溶劑的揮發速度。沾在PCB上的助焊劑中

的溶劑揮發,使板面降溫,與PCB接觸的空氣被冷凝形成霧氣凝聚在板面,與高溫焊錫接錫線觸

時,水分被急劇蒸發擴散,如果板浸錫時沒有適當的角度,蒸氣無擴散通道,就急劇推動焊錫,

形成炸錫。如果再加上工作環境濕度比較大,炸錫的形成幾率會大很多。當錫線在使用過程中因

工藝拉斷后,若操作人員沒有及時將接頭挑出剪掉,此時接頭留在錫線中。這時含有接頭的錫線

在使用中遇高溫的烙鐵焊接時,接頭里面可能含有的水汽或空氣會迅速膨脹,氣體沖破包裹著的

液錫,產生“炸錫”。

解決方法:
1.可以選擇大功率的烙鐵,調到合適的溫度.針對不同的錫線可以調整到相應的烙鐵溫度
2.使用破錫器對錫絲進行加工.
3.使用防飛濺的錫線(我們華金就有這種錫線哦)

焊錫廠家的相關工藝也是會影響到使用效果的,工藝不行,還是會出現炸錫問題的,希望今天分享的

內容可以幫到大家,找好焊錫,就找華金!



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