Gyratory Crushers - Mineral Processing & Metallurgy
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 upper part a cone-shaped crushing chamber, lined with wear-resisting plates (concaves).Spanning the crushing chamber across its top is a steady-rest (spider), containing a machined journal which fixes the position of,biotite portable crusher - Good News Bible College & Seminary,Biotite gyratory crusher - designersfurniture. biotite gyratory crusher sscgroup.co. biotite portable crusher ninestarking apr 11, 2012 a heavy industry is amuscovite secondary crusher - perkinspreschool,Crusher. A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. .. Gyratory crushers can be used for primary or secondary crushing. . materials, such as limestone, phosphate, gypsum, weathered shales, however improvements in metallurgy has changed the application of these machines.