锻压技术

基于参数化的轧具孔型设计与分析

英文标题：Design and analysis of rolling tool pass based on parameterization

作者：汪泉黄攀尹业宏

单位：湖北工业大学

分类号：TG332

出版年,卷(期):页码：2020,45(3):92-100

摘要：

针对冷轧轧具设计复杂，尤其孔型设计难度大，导致研发过程耗时、耗力的问题，提出了参数化设计与孔型设计理论相结合的方法，以简化轧具孔型设计步骤，提高设计结果的精确度。在SMS MEER设计法的基础上进行修正，使孔型尺寸参数化，选择对应的孔型开口，创建参数模型；然后基于Python对Abaqus进行二次开发，创建轧辊三维模型；对轧具轧制过程进行有限元分析，研究了轧制力、直径、壁厚有关参数并分析其原因。研究表明，轧制力的走势符合理论依据，轧制出的钛管直径最大误差值为0.067 mm,壁厚的最大误差值为0.039 mm，符合轧制管的精度要求，验证了该种方法的实用性和可行性，缩短了研发周期，节约了研发成本。

Aiming at the complex design of cold rolling tools，especially the difficulty of pass design，leading to the timeconsuming and laborintensive research and development process，a method of combining the parametric design with the pass design theory was proposed to simplify the pass design steps of rolling tools and improve the accuracy of the design results. On the basis of SMS MEER design method，the pass size was parameterized，the pass opening was selected and the parametric model was created. Then the Abaqus was further developed based on Python to create a 3D roller model. The finite element analysis was carried out on the rolling process of the rolling tools，and relevant parameters like rolling force，diameter and wall thickness were studied and the reasons were analyzed. The results show that the rolling force trend is in accordance with the theoretical basis，the maximum error value of diameter and wall thickness for the rolled titanium tube are 0.067 mm and 0.039 mm，which meets the precision requirements of rolled tube. The practicability and feasibility of this method are verified，the cycle and cost of R&D is shortened and saved.

基金项目：

国家自然科学基金资助项目（51975190，51405140）；湖北省自然科学基金重点项目（2015CFA112）；湖北省教育厅优秀中青年科技创新团队项目（T201505）

汪泉（1984-），男，博士，副教授 E-mail：wangquan2013@hbut.edu.cn 通讯作者：黄攀（1994-），男，硕士研究生 E-mail：310433304@qq.com

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