| 摘要 |
A jaw crusher comprises a housing, mobile and fixed jaws with grooved working surfaces. The working surface of one jaw is convex along its longitudinal axis, and the opposite jaw is concave at the bottom, each third tooth of the working surfaces of jaws is protruding above the apexes of corrugations, and the jaws are installed in such a way that each protruding tooth is located against the central depression of corrugations of opposite jaw. |
