灌膠機不收膠老是滴膠什么原因?
雙液灌膠機收不住膠更根本的原因是密封沒有做到位，漏氣，漏氣膠閥的回吸將起不到任何作用，從而導致收效效果不好，就像上面說的滴膠。
The fundamental reason why the double liquid glue filling machine can't hold the glue is that the seal is not in place, the air leakage, the back suction of the air leakage glue valve will not play any role, resulting in the poor effect, like the above-mentioned drop glue.
為什么會漏氣呢？
Why does it leak?
一方面可能是膠閥的結構設計不合理，膠閥整體的密封性能不理想。
On the one hand, the structure design of the rubber valve may be unreasonable, and the overall sealing performance of the rubber valve is not ideal.
雙液灌膠機膠閥
Double liquid filling machine rubber valve
另一方面膠閥的密封性可以，但是內部空間不合理，造成背壓，也就是壓力不能迅速的釋放不出來，造成膠水從頂端冒出，漏膠，滴膠。
On the other hand, the sealing performance of the glue valve is OK, but the internal space is unreasonable, resulting in back pressure, that is, the pressure can not be released quickly, resulting in glue emerging from the top, glue leakage and glue dripping.
再者，也可能是膠閥長時間使用，密封圈磨損，導致漏氣收不住膠。
Moreover, it may also be that the rubber valve is used for a long time, and the sealing ring is worn, resulting in air leakage and rubber failure.
雙液灌膠機密封圈
Double liquid filling seal ring
還可能的情況是，膠水有腐蝕性，密封圈所用的材料不是耐腐蝕的，密封圈被腐蝕了，收不住膠。
It is also possible that the glue is corrosive. The materials used for the sealing ring are not corrosion-resistant. The sealing ring is corroded and cannot hold the glue.
雙液灌膠機綜上解決此類問題，要么從膠閥的結構上改良，將膠閥的密封性做好。另一方面就是定期更換密封圈，用耐腐蝕的密封圈。
In order to solve these problems, we should improve the structure of the rubber valve and make the sealing of the rubber valve well. On the other hand, replace the sealing ring regularly, and use the corrosion-resistant sealing ring.
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