hardness of crusher rollers
Four roller mill YGM9517 mill. Overview of Four roller mill YGM9517 mill Four roller mill YGM9517 mill is suitable for processing various non-flammable and non-explosive mineral materials with Mohs hardness less than 9.3 and humidity less than 6%, it is widely used in the fields of metallurgy, construction, chemical industry, mining, highway construction etc,. The two rollers rotates inward simultaneously. The materials are extruded, crushed and ground, then the end products come out from the bottom of this crusher. Roll crusher Features. Double roller crusher adopts V- belt or universal joint couplings for transmission and adjusting the gap between two rollers. Technical Specification Model. Capacity.