how fast does a x jaw crusher run

How To Run Jaw Crusher Works. For instance, a 24 x 36 jaw crusher has a opening of 24quot by 36quot, a 56 x 56 jaw crusher has a opening of 56quot square. how a jaw crusher works and what it is used for A rock crusher is a device used to crush rocks into smaller pieces, usually for gravel or some other road or building application.