当双组份胶在混合过程中就发生局部固化时，胶枪打出来的胶就会出现结皮或硫化现象。双组份打胶机在这里提示大家，出现这一现象的原因主要有三种：
When local curing occurs in the mixing process of two-component rubber, crust or vulcanization will occur in the rubber produced by rubber gun. There are three main reasons for this phenomenon:
⑴胶体颜色较黑，固化快时，可能是由于B组分比例过高，过多的催化剂促使固化速度加快。此时，需要适当降低B组分的比例，将结皮或硫化胶冲洗干净后施工；
(1) When the colloid is black and solidified quickly, it may be due to the high proportion of B component, and the excessive catalyst promotes the speed of solidification. At this time, it is necessary to reduce the proportion of B component appropriately and rinse the crust or vulcanizate before construction.
⑵若打胶过程中伴有出胶慢的现象时，可能是混合芯长时间未清洗或清洗不彻底，胶体结皮堵塞管道。因此，定期清洗静态混合器是很有必要的。
(2) If the gelling process is accompanied by slow gelling, it may be that the mixed core has not been cleaned for a long time or is not thoroughly cleaned, and the gel crust blockages the pipeline. Therefore, it is necessary to clean the static mixer regularly.

⑶当固化和出胶速度均无异常，而打出的胶仍有结皮或硫化现象时，则可能是设备停机时间较长，胶枪未清洗或洗枪不够彻底，需要将结皮或硫化胶冲洗干净后后施工。
(3) When there is no abnormal curing and tapping speed, and there is still crust or vulcanization in the tapped rubber, it may be that the equipment has been shut down for a long time, the rubber gun has not been cleaned or the gun has not been cleaned thoroughly enough, so it is necessary to rinse the crust or vulcanizate before construction.
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