Electroslag Remelting (ESR) technology is a main method of special metallurgy. ESR ingot has high pure, structure dense and favorable mechanical character and becomes high-grade steel and special steel. In this paper, based on virtual machine technology, dynamic research of the working process of electroslag-remelting-furnace clamping device was proceeded; influence of the structure parameters and the motion parameters applied on the motion locus and spring force was researched. 3D solid model of the electroslag remelting furnace was established; mathematical model of the clamping device was established; main technical parameters were accomplished; and simulation research of the dynamic process was proceeded. It was found that, appropriately increasing of damping ratio and spring stiffness of the clamping device is beneficial for lowering overshot and enhancing system stabilization, while sacrificing response speed in some extent.
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