贴片吸嘴清洗的3种常见方式

随着工业的快速发展,各类电子零部件都趋向于更小化更精密化。SMT的吸嘴亦是如此,大家都知道吸嘴对贴装质量的影响是比较大的,在整个贴装运用中,吸嘴会随着长时间的工作造成堵塞,比如一些助焊剂,残锡等其他污物。以下是贴片吸嘴清洗的3种常见方式。


人工清洗

酒精+风枪+洗板水。这种清洗方式已经完全过时了。这种方式需使用大量的人工,重要的一点是它不能清洗吸嘴管腔,而且如果酒精渗入反射板的胶水中去,会导致反射板脱落,褪色。用酒精泡一下,细铁丝捅几下,再用气枪吹下,再用布擦下就好了。


工业酒精.jpg



超声波清洗

超声波清洗的优势是成本较低,也能清洗一些大一点的吸嘴。缺点在于清洗过程中吸嘴之间会互相撞击,从而导致表面的重要的黑色涂层受损。而且在清洗一些小吸嘴时根本无从清洗。清洗液的渗透也会导致反射板的脱落。吸嘴管腔也是无法完全清洗的。

超声波清洗.jpg


高压水雾清洗

高压水雾清洗机也称全自动吸嘴清洗机,它是目前吸嘴清洗的最主流的方式。它采用独特的机械设计,使用流体力学将水碎化,产生极细小的高压水雾,形成强大的动能喷射到吸嘴上,在待清洗的吸嘴上方形成一个持续的能量场,彻底粉碎表面和内部的污垢(由于吸嘴是独立放置,在清洗过程中不会损坏吸嘴),在清洗过程中清洗液(去离子水或蒸馏水)自动直接排放。可以清洗超声波难以清洗的杂质、脏污;无损表面涂层、反光板延长吸嘴寿命。

190bp踢球者即时指数智能吸嘴清洗机.jpg


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