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1. Packing roller

Several states of the rubber in the open mill: (1) The rubber is not easy to enter the roll gap; (2) The front roll is tightly packed; (3) The roll is released into a bag shape; (4) It is a viscous roll

2. Eat noodles

Before the rubber material wraps the roller and adds the compounding agent, the upper end of the roller pitch should be kept with proper accumulation of glue. A proper amount of accumulation of glue is a necessary condition for eating powder.

3. Refining

Circumferential direction: the most uniform mixing; axial direction: non-uniformity; radial direction: the worst homogeneity.