Features and Benefits: Vibrating screen features long flowing line, many screening specifications, strong violent vibration force, high screening efficiency, small vibrating noises, firm and durable construction, convenient maintenance and safe operation. Operating Principle Vibrating screen adjusts the amplitude by tube-shaped violent vibration screen of eccentric shaft and eccentric blocks. The body moves like a circle, in order to make the materials screened. Available models are YA1230, 2YA1230, 3YA1230, 2YA1548, 3YA1548, 3YA1848, 3YA1860, 3YA2160, 2YA2460.