The machine adopts the principle of driving eccentric wheel using connecting rod to make reciprocating movement.It can make screen selected back and forth to achieve the goal of selecting successfully.The material is unloaded according to the appointed direction when the material is selected clean because of reasonable inclination angle of screen frame.You can choose the relative screen according to users request to decide the selected particle size.You can adopt multi-level separated screen according to users concrete requirements to screen different kinds of products with different specifications once. The machine is simple operated,small volume and convenient to move.It is the most ideal equipment for different materials. Main Technical Parameters: Power Reciprocating speed Adaptive range Size of otter board(m) Weight Dimension(m) LxWxH 0.55Kw 120 times/min 3-25 meshes 1.4x0.6 80Kg 1.5x0.6x0.8