how a jaw crusher works and what it is used for - Mine EngineerA Jaw Crusher is one of the main types of primary crushers in a mine or ore processing plant. The size of a jaw crusher is designated by the rectangular or.purposes of jaw crusher,purposes of jaw crusher,Blake Jaw Crusher - Mineral Processing / Metallurgy - 911 MetallurgistJan 15, 2016 . All of the large, heavy-duty primary crushers of the jaw type are built around the Blake . A sectional view of a jaw crusher which incorporates the Blake double-toggle . Jaw Crusher Cheek Plates | Designed for a Purpose.