During the working process, the dynamic performance of the vibrating screen for fale directly affects the screening efficiency and service life. vibrating screen for sale using vibrating motor excitation as a vibration source, so that the material is thrown on the screen, while making a linear movement forward, the material from the feeder evenly into the inlet of the screening machine, through the multi-layer screen to produce several specifications of the screen, sieve under the material, respectively from the respective outlets discharged.