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基带CPU 除胶、上锡、植锡步骤
更新时间:2016-02-03 浏览量:511
基带CPU 除胶、上锡、植锡步骤
1、固定基带CPU
2、热风枪280度,风速80
3、锡融化后用斜口刮刀斜着轻轻的刮
4、准备一个主CPU,在主CPU上加点锡浆和助焊剂
5、把基带CPU盖在锡浆上,热风枪280度加热 CPU
6、锡融化后用镊子压住基带CPU,拖动摩擦上锡
7、上好锡后,先冷却再清洗
8、把钢网清洗干净(双面)
9、基带CPU放在纸巾上,钢网孔对准基带CPU每个脚
10、手指轻压住钢网,另一只手拿刮锡刀刮锡
(锡浆不能太稀,需要用纸巾吸干点,否则易爆锡)
11、每个孔刮满锡后,用无尘布把钢网上多余的锡擦掉
12、保持钢网不要移动,换成用镊子轻压住钢网
13、热风枪旋转均匀加热,待锡球成型后取下基带CPU
14、在锡球上加少许助焊剂,再次加热让锡球归位
基带CPU除胶
准备固定架
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固定
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280度 刮刀
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斜着刮
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已刮胶ok
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基带CPU植锡
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上锡
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清洗
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两面清洗干净
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定好位
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刮锡
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加助焊剂
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取下芯片
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吹归位
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准备固定架
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固定
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280度 刮刀
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斜着刮
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已刮胶ok
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基带CPU植锡
加锡浆和助焊剂
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盖在上面
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上锡
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清洗
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两面清洗干净
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定好位
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刮锡
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每个孔都刮满锡
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无尘布擦掉多余的锡
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镊子轻压住
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220-280度
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加助焊剂
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取下芯片
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吹归位
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植锡OK
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