Wear parts application guide - long liner life. A gyratory crusher consists of a concave sur- . is made by modifying the bottom tier of the concave. Mainshaft positioning system. The mainshaft.gyratory crusher bottom tier concaves,The 4265 Gyratory CrusherMay 20, 2016 . A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. There are five types of crushers; Jaw crusher,.
gyratory crusher bottom tier concaves