What is a Jaw Crusher? (with pictures) - wiseGEEK
Jan 20, 2021· A crusher is a machine that breaks material, usually rocks, into smaller pieces. Jaw crushers are most often seen in mining or disposal, where they are used to break objects into smaller pieces.,jaw crushers can be found as stationary machines installed in a building, portable machines that can be relocated where they are needed,,Jaw Crusher With Different Models | HXJQ,Application fields. The jaw crusher is a kind of early crushing device. With simple and firm structure, reliable operation, easy maintenance and service and relatively low costs in production and construction, jaw crusher is still widely used in coarse, medium and fine crushing for various ores and rocks with compressive strengths ranging from 147 to 245 MPa in metallurgy, chemistry, building,US7614573B1 - Jaw crusher - Google Patents,A jaw crusher includes a machine with a moving base, a fixed base, a crush travel adjusting mechanism for pivotally coupling the top of a crush travel adjusting base to the machine by an eccentric sleeve, and an automatic crush gap adjusting mechanism. A toggle plate is installed between the crush travel adjusting base and the moving base.