What are the precautions for protective film coaters? （2）

It can get a relatively good coating apparent quality. If the vacancy is relatively large, when the coating speed is high, it will briefly show air inclusion, and there are many thin bubbles on the surface of the coating. Occasionally, in order to protect the film coating machine to increase the output value, the choice of traveling coating speed, there is a way to present the harm of air inclusion, in order to eliminate this harm, choose to reduce the use of vacancy. The too small vacancy makes the coating roller and back roller of the protective film coater knead each other, which additionally increases the load of the motor and reducer, and constitutes abnormal wear. 

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