·The jaw crushers are designed to crush brittle bulk materials of various strength and hardness In the jaw crushers the material particles are broken down by the compressive and shear strains between Hardness of material crushed Up to 8 Mohs units Up to 7 Mohs units Discharge slot adjustment range mm 2 25 3 25 1 25 Average product
·When we choose the right hard rock crusher one of the important factors is the Mohs hardness of the rock Different rocks have different Mohs hardness and the corresponding rock crushers used are also different Hard rocks vary in Mohs hardness even if they are the same rock but have different mineral compositions and sizes
·Hardness We have listed the service life data of mantle and bowl liner when crushing 5 common raw materials for reference Limestone Mohs hardness 3 4 Using Mn18 material wear resistant parts to crush limestone the service life of the mantle is 600 1000 hours and the service life of the bowl liner is 600 850 hours
·Because graphite is a dark gray and opaque solid with a Mohs hardness of 1 2 and a specific gravity of It usually adopts jaw crushers and impact crushers Jaw crusher has strong crushing force and stable performance The graphite crushers can effectively crush large graphite raw materials into smaller particles
·Portable Mohs Hardness Tester 911 Metallurgist is a trusted resource for practical insights solutions and support in mineral processing engineering helping industry professionals succeed with proven expertise Mohs Hardness Tester
·Here is an illustration of the typical relationship between the Mohs Mineral Hardness Scale and their corresponding Bond Abrasion Index
·The hardness according to Mohs scale of Gibbsitic Table Characteristic bauxite parameters for crusher selection [1] Run of mine material Average impact work index kWh/ton Average abrasion indices [2] Compression crushers Fig b which include primary gyratory primary jaw
4 ·CRUSHING EFFICIENCY The «tooth trough» jaws combination provides high crushing performance Crushing grains of material from 110 to 1 mm in one pass 90 % Equipping with a kW electric motor as well as a flywheel and a pulley of increased weight allows crushing materials up to 7 Mohs hardness
Roll crushers are available as smooth or toothed rolls Figure b is an example of a smooth roll crusher and Table b presents data for a double tooth roll crusher for coal For smooth rolls the feed size is hmited by the angle of nip which depends on surface conditions but it is approximately 16 degrees Table c contains additional operating data for roll crushers
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