PDF Construction, Working and Maintenance of Crushers for Crushing Bulk ...
Removing all sizes smaller than output top size from the crusher input material. Side Liners / Cheek Plates Wear plates used to protect the crusher frame side plates. They are made from abrasion resistant (AR) plate (400 to 450 Brinell hardness), also called Boron steel. ... For coal, many times, rotary breakers are used as primary crushers and ...