WebJaw Crusher Turn Waste Concrete into Sand. The jaw plates are fixed on the jaw bed with bolts and wedge screws. Jaw bed of fixed jaw plate is the front wall of the frame. Jaw bed of mobile crusher jaw plate must have sufficient strength and stiffness to stand the broken reactive force, and thus most mobile jaw plates are made of cast steel or cast .
WebAlthough jaw crushers are extensively used for a variety of materials, their operational characteristics are not well understood. This lack of understanding makes selection of the proper machine difficult. Hersam (1923) proposed a method for calculating capacities using a Dodgetype jaw crusher. The equation proposed by Hersam includes a number of .