锻压技术

双金属环件轧制过程中的锻透研究

英文标题：Research on forging penetration in rolling process of bimetal ring

作者：张芳萍张案案成鑫尧王超

分类号：TG335

出版年,卷(期):页码：2023,48(6):102-107

摘要：

对双金属环件轧制过程中压下量和锻透率之间的关系进行了研究，通过建立双金属环件的三维有限元模型，借助有限元分析软件ABAQUS，根据环件锻透理论计算了芯辊的最小压下量，并以此为依据对不同芯辊压下量进行数值模拟，分析了双金属环件轧制过程中塑性区的分布规律以及芯辊压下量对双金属环件锻透率的影响规律，验证了环件锻透理论可用于双金属环件轧制过程的锻透性分析。当压下率为1.0％时，双金属环件完全锻透，而经验三角形法则计算的锻透率为21%，说明经验三角形法则不能够有效地判断双金属环件轧制过程的锻透性。

The relationship between reduction amout and forging penetration rate in the rolling process of bimetallic ring was deeply studied, and by establishing a three-dimensional finite element model of bimetallic ring, using the finite element analysis software ABAQUS, the minimum reduction amount of core roller was calculated based on the forging penetration theory of ring. Then, the numerical simulation was conducted under different reduction amounts of core roller, and the distribution laws of plastic zone in the rolling process of bimetal ring and the influence of the reduction amount of core roller on the forging penetration rate of bimetal ring were analyzed to verify that the forging penetration theory of ring could be used for the forging penetration analysis of the rolling process for bimetallic ring. The results show that when the reduction ratio is 1.0%, the bimetallic ring is completely forged, but the forging penetration rate calculated by the empirical triangle rule is 21%, indicating that the empirical triangle rule cannot effectively judge the forging penetration of the rolling process for bimetallic ring.

基金项目：

山西省先进钢铁材料重点科技创新平台项目（2018- 05D115061-2）

张芳萍（1971-），女，硕士，副教授

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