Crusher - Wikipedia
A jaw or toggle crusher consists of a set of vertical jaws, one jaw is kept stationary and is called a fixed jaw while the other jaw called a swing jaw, moves back and forth relative to it, by a cam or pitman mechanism, acting like a class II lever or a nutcracker. The volume or cavity between the two jaws is called the crushing chamber.fote jaw crushing machine fote mine equipment,fote heavy machinery .. mill and mine selecting equipment .. how to operate jaw crusher machine. fote machinery jaw crusher,sand maker,ball. china fote machinery co., ltd. is a large sized joint stock enterprise integrated with the scientific research, production and sales of heavy mining machinery.,mine equipment jaw crushing machine at,Crushing 101 | Masaba,The numbers used in referring to jaw crushers, such as 3042, refer to the opening size at the top of the jaw. The 30 is 30” left to right, the 42 is 42” across the jaw. Allowable top size is approximately 80 percent of the left-right dimension, or in this case, 24”.