The paper describes the application of new type uniformly swinging external jaw crusher and the production application cases, and comprehensively analyses the results of production practice.

In order to reduce the influence of crash force which has randomness and fuzziness, the fuzzy random theory is brought in the study of jaw crusher.

The movable jaw suspending bearing (eccentric bearing) of PEXD style inverted fine jaw crusher suspends reversely at the bottom of the machine.