Gyratory Crushers - 911 MetallurgistOct 23, 2017 . Essentially, the gyratory crusher consists of a heavy cast-iron, or steel, frame which includes in its lower part an actuating mechanism (eccentric and driving gears), and in its .. A crushed stone producer desires a primary crusher to handle the product from a 3-yard shovel at an average rate of 350 tph.350 tph primary crusher maintenence,What are the optimized solutions of jaw crusher and impact crusher .Maximum feeding size:300 mm-350 mm. Output size:0-20mm,20-40mm,40-60 mm. Impact crusher capacity:180 tph -220 tph. Impact crusher and jaw crusher are well operated and excellent performance in Ethiopia crushing plant, more details on impact crusher price and jaw crusher maintenance manuals, welcome to.