A jaw crusher is a compression type crusher, comprised of a fixed jaw and moving jaw positioned in a (V). The movable jaw compresses material against the fixed jaw, crushing the material to the desired size. The material exits the jaw through the bottom of the crusher otherwise, known as the discharge opening. Changing the discharge opening controls the product size made by the crusher.
Jaw crushers are mainly used at the primary stage of material reduction in several applications, including rock quarries, sand and gravel, mining, construction and demolition recycling, construction aggregates, metallurgy, and chemical industries.