What is a Jaw Crusher? - R.R. Equipment Company
2020-1-24 · What is a Jaw Crusher? From sedimentary rock, granite, and basalts to concrete waste, glass, and other brittle materials, the overhead eccentric jaw crusher is the most widely utilized primary crushing system. A jaw crusher is a compression machine. It consists of 2 corrugated jaw plates (dies), one fixed (stationary) and one that is movable.