The JOYAL vibrating screen moves round with multi-layers and high efficiency. The vibrating screen can screen the materials into multiple levels products according to the different material grain size. Working Principle Of Vibrating Screen: The vibrating screen is to drive vibrator through V-belt under the power of ordinary motor, so that the screen body along the vibrating power direction to make a cyclical reciprocating, the material in the screen surface to make round movement, so as to make the materials sieved. 2. Taking the partial block as the exciter, which is strong.