There are several types ofBrecher, including primary production (jaw crusher) and cone crushers. But for hard rock mining to 600 TPH (tonnes per hour) a switch back should be used as primary crushers. Up to 1000 TPH a jaw crusher can still be an option. The strength of the material is crushed is measured in megapascals (MPa), has a stength concrete 20-30 MPa, while the typical jaw crusher is capable of crushing material with a strength of 140-160 MPa.
There are specialties such as millLaboratory jaw crusher, used to prepare rock samples for chemical analysis in the laboratory.
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