... Artificial stone crushing for Sand making machinery2、Type:Tertiary CrusherInput Size:40mm--60mmProcessed Materials:Limestone, Granite, Gabbro, Basalt, River Stone, Coal ... rolling impeller cavity vertically through the upper part of machine. Under great centrifugal force, it hits and crushes ... , and hit each other several times; finally smaller stone comes out, and goes to vibrating screen. Satisfactory ...