多パス三方ロール圧延の変形および温度解析

概要

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Numerical model for hot three-roll rolling is proposed, in which deformation of a material is analyzed by three-dimensional rigid plastic FEM, while temperature distribution in the material is calculated using a new combined method of three-dimensional FEM and one-dimensional FDM. First, the model is applied to simulation of the deformation and the temperature of the material in actual three-roll rolling processes, and calculated shape and surface temperature of the material are found to agree well with measured ones. Next, three-roll and two-roll caliber rolling processes in which round bars are produced from themselves after two passes are designed. Finally, calculated equivalent strain and temperature distributions of the material in the three-roll rolling process are compared with those in the two-roll caliber rolling process, and difference between the three-roll rolling and the two-roll caliber rolling is clarified.
一般社団法人日本機械学会の論文
1996-04-25