Rock Crushing Rule of Thumb Mineral Processing &
2020-06-09· Here is a list of Rules of Thumb often used in Rock Crushing and around Crushers:. Crusher Selection. For a hard rock mine application below 600 tonnes/hour, select a jaw as the primary crusher.Over 1,000 tph, select a gyratory crusher. Between these capacities, you have a choice. Source: Chris Ottergren; For a hard rock mine application below 540 tonnes/hour, a jaw crusher is