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What are the Differences Between Ring Die and Flat Die?

We all know the working principles of ring die pellet mill and flat die pellet mill, but there are still some differences between them.

1. Feeding way: ring die pellet mill adopts machine forced feeding, materials enter the granulating chamber with high speed rotary and distribute through scraper to ensure feed evenly; while the flat die depends on the materials weight, it directly enters into the suppress room, it can feed evenly.
2. Pressure: in the same diameter mould, the pinch roller of ring die is limited by the mould diameter, so the pressure is restricted; however, the flat die can add the inside the bearing space, choose a big bearing to increase the bearing capability, which not only improve the press power of pinch roller, but also prolongs the life.
3. Discharging way: ring die belongs to high rotary speed, the materials percentage of damage is high, while the percentage of damage of flat die is low.
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