锻压技术

基于Kriging模型的钢铝异质板料无铆钉铆接结构工艺参数优化

英文标题：Optimization on structural process parameters in clinching for steel-aluminum heterogeneous sheets based on Kriging model

作者：李奇涵1 孟楷博1 韩小亨1 高嵩1 徐传伟1 谷东伟1 马风雷1 赵庆明2

单位：1. 长春工业大学机电工程学院 2. 长春施米特自动化技术有限公司

关键词：无铆钉铆接钢铝异质板料 Kriging模型遗传算法多目标优化

分类号：TG142

出版年,卷(期):页码：2022,47(1):36-42

摘要：

针对钢铝异质板料无铆钉铆接成形接头力学性能差的问题，对铆接过程的结构工艺参数优化开展研究。以提高接头的最大抗拉力和抗剪力为目标，首先，建立了无铆钉铆接成形过程数值仿真模型，通过对比接头截面关键尺寸，验证了数值模型的可靠性；其次，对主要结构工艺参数进行拉丁超立方抽样试验，获取代表性样本点集及其数值仿真结果；随后，利用Kriging模型对接头的颈厚值和自锁值进行预测，预测相对误差小于10%，验证了Kriging模型的预测能力；最后，将Kriging模型与遗传算法相结合，进行结构工艺参数的多目标优化，采用优化后的结构工艺参数进行试验，无铆钉铆接接头的最大抗拉力提高了9.4%，最大抗剪切力提高了26.4%，验证了优化结果的有效性。

Aiming at the problem of poor mechanical properties for joints formed by clinching steel-aluminum heterogeneous sheets, the optimization of structural process parameters in the clinching process was studied. To improve the maximum tensile and shear resistance forces of the joint, firstly, a numerical simulation model of the clinching process was established, and the reliability of the numerical model was verified by comparing the key dimensions of the joint section. Secondly, for the main structural process parameters, the Latin hypercube sampling test was conducted to obtain representative sample point set and its numerical simulation results. Then, the neck thickness value and self-locking value of the joint were predicted by Kriging approximate model, and the relative error of the prediction was less than 10% to verify the predictive ability of Kriging model. Finally, the multi-objective optimization of structural process parameters was performed by combing Kriging model with genetic algorithm. Furthermore, the test was conducted by the optimized structural process parameters, the maximum tensile resistance force of clinching joints was increased by 9.4%, and the maximum shear resistance force was increased by 26.4%, which verified the effectiveness of the optimization results.

基金项目：

吉林省科技发展计划项目（20190302100GX）；国家自然科学基金资助项目（51805045）

作者简介：李奇涵（1970-），男，硕士，教授 E-mail：liqihan@ccut.edu.cn 通信作者：高嵩（1987-），男，博士，讲师 E-mail：gaosong@ccut.edu.cn

参考文献：

[1]李永兵，马运五，楼铭，等. 轻量化多材料汽车车身连接技术进展[J]. 机械工程学报，2016，52(24):1-23.

Li Y B, Ma Y W, Lou M, et al. Advances in welding and joining processes of multimaterial lightweight car body [J]. Journal of Mechanical Engineering, 2016, 52(24): 1-23.

[2]刘学成. 车身无铆钉接头静力学性能研究及优化[D]. 长春：吉林大学，2012.

Liu X C. Research and Optimization on the Mechanical Performance of Mechanical Clinched Joint of the Auto Body Structures[D]. Changchun: Jilin University, 2012.

[3]李兵. 车身先进高强钢零件无铆钉铆接接连及工艺参数研究[D]. 长春：吉林大学，2015.

Li B. Investigation on the Mechanical Clinch and Technological Parameter of the Advanced High Strength Steels in Autobody[D]. Changchun: Jilin University, 2015.

[4]Mucha J, Witkowski W. The clinching joints strength analysis in the aspects of changes in the forming technology and load conditions[J]. ThinWalled Structures, 2014, 82: 55-66.

[5]沈永飞，何冠中，楼铭，等. 铝合金与静音钢异种材料匹配无铆钉铆接成形特性[J]. 机械设计与研究，2018，34(1):103-106，112.

Shen Y F, He G Z, Lou M, et al. Research on the deformation behaviors of the clinch joining of aluminum alloy and quiet steel sheets[J]. Machine Design and Research, 2018, 34(1): 103-106，112.

[6]Oudjene M, BenAyedb L. On the parametrical study of clinch joining of metallic sheets using the Taguchi method[J]. Engi-neering Structures, 2007, 30(6): 1782-1788.

[7]Abe Y, Mori K, Kato T. Joining of high strength steel and aluminium alloy sheets by mechanical clinching with dies for control of metal flow[J]. Journal of Materials Processing Tech., 2011, 212(4): 884-889.

[8]Long J Q, Lan F C, Chen J Q, et al. Mechanical properties prediction of the mechanical clinching joints based on genetic algorithm and BP neural network[J]. Chinese Journal of Mechanical Engineering, 2009, 22(1): 36-41.

[9]庄蔚敏，赵文增，解东旋，等. 22MnB5高强钢/7075铝合金热铆接冷模具淬火无铆钉铆接研究[J]. 机械工程学报，2017，53(20):106-112.

Zhang W M, Zhao W Z, Xie D X, et al. Research on hot riveting quenching clinching of the high strength steel 22MnB5 and aluminum alloy 7075[J]. Journal of Mechanical Engineering, 2017, 53(20): 106-112.

[10]Lambiase F. Joining aluminium alloys with reduced ductility by mechanical clinching [J]. The International Journal of Advanced Manufacturing Technology, 2015, 77(5-8): 1295-1304.

[11]韩小亨. 钢铝异质板料无铆钉铆接技术及结构工艺参数优化研究[D].长春：长春工业大学,2021.

Han X H. Research on Clinching Technology and Optimization of Structural Parameters of Steel and Aluminum Heterogeneous Sheets[D]. Changchun: Changchun University of Technology, 2021.

[12]Lee C J, Kim J Y, Lee S K. Design of mechanical clinching tools for joining of aluminium alloy sheets[J]. Materials & Design, 2010, 31(4): 1854-1861.

[13]刘鹏. 基于改进拉丁超立方重要抽样方法的结构可靠性分析[D]. 广州：暨南大学，2016.

Liu P. Structural Reliability Analysis (SPA) Based on Improved Latin Hypercube Important Sampling[D]. Guangzhou: Jinan University, 2016.

[14]谢延敏. 基于Kriging模型和灰色关联分析的板料成形工艺稳健优化设计研究[D]. 上海：上海交通大学，2007.

Xie Y M. Research on Robust Optimization of Sheet Metal Forming Based on Kriging and Grey Relational Analysis[D]. Shanghai: Shanghai Jiaotong University, 2007.

[15]邢伟鑫, 唐炳涛,刘纪源,等.基于Kriging模型的S梁性能梯度热冲压工艺优化[J].锻压技术,2020,45(9):57-63.

Xing W X, Tang B T, Liu J Y, et al. Sbeam performance gradient hot stamping process optimization based on Kriging model [J]. Forging & Stamping Technology, 2020, 45(9): 57-63.

[16]屈小章，韩旭，毕仁贵，等. 基于Kriging近似模型的轨道主冷叶轮多目标遗传优化[J]. 中国机械工程，2015，26(14):1938-1943.

Qu X Z, Han X, Bi R G, et al. Multiobjective genetic optimization of impeller of rail axial fan based on Kriging model[J]. Chinese Journal of Mechanical Engineering, 2015, 26(14): 1938-1943.

服务与反馈：

【文章下载】【加入收藏】