Jaw crusher introduction Jaw crushers have two types: pe and pex series.Mainly used to crusher all kinds of mining stones primarily, and the largest compression resistance of the material is 320mpa.It is suitable for all kinds of ore and rock primary crushing or secondary crushing. Pe series is used to primary crushing, pex series is used in secondary crushing and fine crushing. T-bolt, clamp. Jaw crusher working principle The jaw crusher adopts the electric motor as the power. The eccentric shaft is revolved by an electric motor through v-belts. It causes the swing jaw following the preconcerted path to crush the feeding material. Thus the material will be crushed in the crushing chamber which is composed of the stationary jaw plate, swing jaw plate and the liner plate. The material is discharged from the lower part of machine that is what you want. Features and benefits of jaw crusher 1.Simple structure and reliable operation. Easy maintenance and low operating cost. 2.The frame of jaw crusher is very firm due to removing welding residual stress.