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经济实用的PCB焊接全过程

 
Issuing time:2022-11-01 09:38

经济实用的PCB焊接全过程

SMT表面贴装技术生产车间.jpg

PCB焊接主流的方法有2种:SMT贴片,DIP插件焊接。


SMT贴片焊接:

对于板子上贴片元件较多的是用SMT贴片焊接方式,做PCB板,先开钢网,再固定钢网,放板,把焊盘对应钢网孔位,然后是印刷锡膏,简单来说,就是把锡膏均匀刷在焊盘孔位,然后把元器件用镊子贴好,全部贴好,然后把PCB板放到回流焊机,最后板子从回流焊机出来,PCB板的贴片元器件就贴上去了,最后再人工目检,质检,测试一波流,基本就算完成了。


DIP插件焊接:

很简单,把插件元件插装好在PCB板上,过波峰焊,然后做元件切脚,然后后焊,对于未焊接完整的PCB进行补焊操作,最后是功能测试。


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