Hans Ludvig Westh

Dear Mr. Choi,Roller slippage detection: There are various systems of different suppliers on the market in the meantime. Bühler has started with the ABS system years ago. The point is to check the rotation speed of the die and the roller. If the control system detects a difference in speed; means the roller starts to slip slowly and is losing traction due to the condition in the pellet mill l ...

I assume you are talking about roll shells for pellet mills.There are different configurations possible with roll shells.In general; Dimpled rolls have a better pressure distribution in the die but the gripping action is moderate.In general, the wear is more even in the die due to the fact that the product cannot escape to the side of the roll. Used for regular feed products with limited slippage ...