Transactions of Materials and Heat Treatment

Title：Drawing forming process of floor reinforcing plate for automobile

Authors： Lu Jianjun Zhao Wei Chen Wei Chen Baoquan

Unit： Changzhou Institute of Mechatronic Technology Jiangsu University

KeyWords： floor reinforcing plate for automobile blank holder force sheet shape drawing finite element simulation

ClassificationCode：TG386

year,vol(issue):pagenumber：2018,43(11):38-41

Abstract：

For the floor reinforcing plate for automobile, its formability was analyzed, and the drawing process was simulated by the finite element analysis software AUTOFORM. By adjusting process parameters, it is found that it has an effect on the forming results, and the defects such as wrinkling, cracking and insufficient forming existed in the sheet metal forming process can be predicted. By adjusting the shape of blank from rectangle to shape floow-up, the feeding resistance is reduced, and the flow material is even to improve the formability significantly. When the blank holder force is adjusted within the range of 500 to 1100 kN, a reliable forming area is up to 88.26% to meet the forming requirements of parts. Finally, through the real stamping test, the obtained parts were measured to verify the accuracy of the simulation results, and a large number of parts were produced to save the cost and time of the test.

Funds：

博士点基金博导类课题（20133227110013）；江苏高校品牌专业建设工程资助项目（PPZY2015B187）；江苏高校“青蓝工程”资助项目

陆建军（1978-），男，硕士，副教授,E-mail：794632435@qq.com

Reference：

[1]朱久发. 高强度钢板在汽车车身上的应用及问题对策 [J].武钢技术，2007, 45 (2): 43-46.

Zhu J F. Problems encountered in application of high strength steel plates or sheets for automobile body and its countermeasures [J]. Wuhan Iron and Steel Corporation Technology, 2007, 45 (2): 43-46.

[2]崔令江. 汽车覆盖件冲压成形技术 [M].北京: 机械工业出版社, 2003.

Cui L J. Automotive Panel Stamping Technology [M]. Beijing: China Machine Press, 2003.

[3]陈炜，冯华云，杨继昌，等. 厚度梯度准则在成形极限图建立中的应用 [J]. 江苏大学学报：自然科学版，2008，29(1): 13-16.

Chen W,Feng H Y,Yang J C, et al. Application of thickness gradient criterion in establishing forming limit diagram [J]. Journal of Jiangsu University：Natural Science Edition, 2008, 29(1): 13-16.

[4]陈炜，郭伟刚，侯波，等. 基于厚度梯度准则的薄板成形极限图建立方法 [J]. 中国机械工程，2007，18（18）：2246-2249.

Chen W, Guo W G, Hou B, et al. Prediction of forming limit diagram in sheet metal forming based on thickness gradient criterion [J]. China Mechanical Engineering, 2007,18(18): 2246-2249.

[5]陈炜. 汽车覆盖件拉延模设计关键技术研究[D]. 上海：上海交通大学，2001.

Chen W. Research on Key Technologies of Design for Automobile Panel Drawing Dies[D].Shanghai: Shanghai Jiao Tong University, 2001.

[6]向小汉, 汤耀年. 汽车冲压零件材料成本控制的应用与探索[J]. 模具工业, 2012, 38(1): 45-49.

Xiang X H, Tang Y N. Material cost control of automotive stampings[J]. Die & Mould Industry, 2012, 38(1): 45-49.

[7]陈炜, 杨继昌, 仲志刚, 等.车身结构件多步冲压工艺数值模拟[J].汽车工程, 2003, 25(5): 518-521.

Chen W, Yang J C, Zhong Z G, et al. A simulation of multi-step sheet metal forming process for automotive body panel [J]. Automotive Engineering, 2003, 25(5): 518-521.

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