Jaw Crusher Working Principle - 911 MetallurgistSep 20, 2017 . A sectional view of the single-toggle type of jaw crusher is shown below. In one respect, the working principle and application of this machine is similar to the Dodge crushers; the movable jaw has its maximum movement at the top of the crushing chamber, and minimum movement at the discharge point.jaw crusher filetype,Jaw Crushers McLanahanJaw Crushers are often used as primary crushers and are perhaps the most popular crusher worldwide. These compressive crushers are suitable for most any type of material.In this type of crusher, reduction takes place between a stationary jaw plate and a moving jaw plate. The moving jaw plate is mounted on the pitman,.