Impact crushers , or impactors, are one of several types of crushers, including jaw crushers , hammer crushers , and cone crushers , and are designed for processing raw materials such as concrete or asphalt, among many other purposes, to reduce their size. What are impact crusher definition and working principle? Used in a wide variety of applications, including aggregate crushing , asphalt crushing, and concrete crushing, among others, the impactor is a unique crusher counterpart because it breaks rock and stone by striking the material quickly, rather than using pressure. The mechanical structure of an impact crusher is defined by its rotor, which is the main instrument for breaking down materials. The rotor is set on a mounting plate, anvil, or apron, in a heavy housing; these aprons or anvils are used to withstand the impact of the materials being processed and further separate them. What is an impact crusher...