Crusher - WikipediaIn industry, crushers are machines which use a metal surface to break or compress materials into small fractional chunks or denser masses. Throughout most of industrial history, the greater part of crushing and mining part of the process occurred under muscle power as the application of force concentrated in the tip of the.underground mining equipment crusher,Crushers - QueensMineDesignWiki - MineWiki, Queen's Mine .Apr 5, 2011 . 1 Introduction; 2 Location of the Crusher In an Underground Mine. 2.1 Near the Shaft; 2.2 Under the Orebody. 3 Material Handling. 3.1 Pre-Crushing; 3.2 Crushing; 3.3 Post Crushing. 4 Technology and Equipment Selection. 4.1 Mechanical Reduction Methods; 4.2 Types of Crushers. 4.2.1 Gyratory.