This series automatic jig is mainly used for large and middle modern coal dressing plants, the jig area is usually not small than 6m2. The machine is using advanced bed sensor system and dynamic mathematical model are used for checking and determining hierarchical status of jig, that can be used for controlling the heavy material emissions of jig, getting stably discharging, increasing the bed accuracy, stabilizing products quality to finish the intelligent management of jig, it's increasing the automation level of jig, the most decreasing work of jig controller and canceling manual operation.