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焊锡丝炸锡的原因?

作者: 4146 次浏览 时间:2018-11-16

信息摘要:焊锡丝炸锡的原因?焊锡丝炸锡的缘由是助焊剂的粘度太低,不足以克制溶剂的蒸发速度。沾在PCB上的助焊剂中的溶剂蒸发,使板面降温,与PCB接触的空气被冷凝构成雾气凝聚在板 面,与高温焊锡接锡线触时,水分被急剧蒸发涣散,假设板浸锡时没有恰当的角度,蒸气无涣散通道,就急剧推动焊锡,构成炸......

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