Raymond Mill powder machine work, will need to crush the materials from the Shell side of the inlet hopper joined machines, hanging on the shelves in the mainframe Plum Roller installations around the vertical axis to the public, while their rotation, rotation due to the centrifugal force when the role Roll out swinging, press the grinding part of the shovel knife materials from the shovel to roll grinding and grinding Central for the rolling mill roll RCC to achieve the purpose of crushing materials.