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The electrode feeding mechanism and the feeding speed control system of the electroslag remelting furnace are studied. The electrode feeding mechanism is designed based on the electro-hydraulic proportional control technique, and the mechanism’s three-dimensional model is established. The electrode feeding mechanism’s electro-hydraulic proportional control system is simulated. The basic feeding speed model and the error-correction feeding speed model are established; and the S style speed control curve of the electrode feeding system is designed. Experiments were carried out; the system control curves and the experimental production dissection results were obtained. It was found that, the electrode feeding system and the feeding speed control system studied in this paper met the craft procedure and technique requirements of large electroslag remelting furnace, and the method’s validity was verified.