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在采用有限元模拟技术研究型材挤压变形规律的基础上 ,综合了模具结构主要参数对金属流动速度的影响 ,推出了铝型材挤压模孔工作带设计计算的一般公式 ,并与文献上介绍的实例进行了验证 ,结果基本吻合。可用于铝型材挤压模工作带长度设计计算。
Based on the study of the extrusion deformation rules of the profile by using the finite element simulation technology, the influence of the main parameters of the mold structure on the metal flow velocity is summarized, and the general formula for design and calculation of the extrusion profile of the aluminum profile extrusion die is introduced. The examples are verified, the results are basically consistent. Can be used for aluminum extrusion die length design and calculation.