impact crusher over rolls gpex

Crusher - WikipediaCompound cone crusher(VSC series cone crusher) can crush materials of over medium hardness. It is mainly used in.impact crusher over rolls gpex,Crushing 101 | Masaba - Masaba Inc.As their names suggest, compression crushers, (jaws, cones and rolls) reduce the material by squeezing . Jaw crusher output gradation is controlled by the closed side setting. . Cones can vary from 60 percent to over 80 percent efficiency.