Construction, Working and Maintenance of Crushers for ...
2018-12-26 · specifications, as well as top and bottom specifications. ... Generally gyratory crushers, jaw crushers, high speed double roll crushers, low speed sizers, impactors and hammer mills are used as primary crushers. ... The gyratory crusher is mainly used in rock that is abrasive and/or has high compressive strength. The crusher is the workhorse ...