锻压技术

基于稳健冲压工艺的门内板回弹补偿

英文标题：Springback compensation of inner door panel based on robust stamping process

作者：刘丽娟

单位：上汽大众汽车有限公司

分类号：TG386

出版年,卷(期):页码：2019,44(1):53-60

摘要：

回弹是冲压件普遍存在的问题，很大程度上影响着冲压件的尺寸精度。以某车型前门内板零件为例，研究了冲压件的回弹补偿问题。首先根据门内板产品造型特性，设计了稳健的冲压工艺方案；然后利用Autoform软件对回弹进行模拟预测，制定了预回弹补偿方案；最后跟踪实际零件的尺寸情况，对全工序件进行扫描，并结合GOM软件分析实际与理论尺寸的偏差原因，制定了后回弹补偿方案，补偿后零件尺寸基本达标。结果表明，基于稳健的冲压工艺方案，对模面进行预补偿和后补偿，能稳定、有效地控制零件的回弹，为门内板类冲压件的回弹补偿提供一个参考思路。

Springback is a common problem in stamping parts and affects the dimensional accuracy of stamping parts greatly. For the front inner door panel of a car, the springback compensation problem of stamping parts was studied. First of all, a robust stamping process scheme was established according to the characteristics of inner door panel, then the springback was simulated and predicted by Autoform software, and a prespringback compensation scheme was made. Finally, the practical dimension of parts was tracked, and the parts of the whole process were scanned to analyze the reason of practical and theoretical dimension deviation by GOM software. Furthermore, a postspringback compensation scheme was made, and the part dimension after compensation was basically up to standard. The result shows that based on a robust stamping process scheme, a prespringback and postspringback compensation on the die surface can stably and efficiently control the springback of parts, which can provide a reference idea for the springback compensation of stamping parts such as inner door panel.

基金项目：

刘丽娟（1985-），女，硕士，工程师，E-mail：1719143900@qq.com

参考文献：

[1]叶玉刚, 薛勇, 段江年. 板料成形回弹模拟及补偿技术研究现状[J].锻压装备与制造技术, 2009, 44(3):18-22.

Ye Y G, Xue Y, Duan J N. Current study on simulation and compensation of springback in sheet metal forming process[J]. China Metalforming Equipment & Manufacturing Technology, 2009, 44(3):18-22.

[2]冯杨，兰凤崇，阮锋. 基于补偿因子的复杂型面零件冲压回弹控制研究与应用[J].塑性工程学报，2014，21 (6): 51-55.

Feng Y，Lan F C，Ruan F. Theoretical analysis and application research on compensation factors of sheet metal stamping springback[J].Journal of Plasticity Engineering,2014,21 (6): 51-55.

[3]关来德.后背门内板成形工艺缺陷分析与优化[J].锻压技术, 2017, 42(5):19-24.

Guan L D. Analysis and optimization on defects from forming process of back door inner panel[J]. Forging & Stamping Technology, 2017, 42(5):19-24.

[4]毛丽臣.大型薄板局部特征成形过程中的凸包开裂与翘曲回弹控制技术研究[D].长沙:湖南大学,2012.

Mao L C. Research on the Control Techniques of Convex Cracking and Warping Springback Caused by Local Features Forming during the Large Sheet Parts Stamping Process[D].Changsha: Hunan University,2012.

[5]郭志忠, 李粤,张家骅.基于几何补偿的回弹零件模具形面设计[J].煤矿机械,2009,30 (5): 31-34.

Guo Z Z, Li Y, Zhang J H. Design of die face for springback part by geometry compensating[J]. Coal Mine Machinary,2009,30 (5): 31-34.

[6]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. Stamping Technology of Auto Panel[M].Beijing: China Machine Press,2003.

[7]李路.典型汽车覆盖件冲压工艺及模具设计技术研究[D].济南:山东大学,2014.

Li L. Research on Stamping Process and Mold Design for Typical Automobile Panel [D]. Jinan: Shandong University,2014.

[8]史纲.拉延筋技术[J].模具技术,2004, (3):31-33.

Shi G. Study on technologies for bead [J]. Die and Mould Technology,2004,(3):31-33.

[9]彭必友,殷国富,赵侠,等. 板料形状、压料筋的设置对汽车覆盖件成形中起皱和未充分拉深的影响[J].塑性工程学报，2006,13(6): 39-43.

Peng B Y, Yin G F, Zhao X, et al. The influence of blank shape and the setting of drawbead on wrinkling and inadequate stretch areas in automobile covering parts forming processes[J]. Journal of Plasticity Engineering. 2006,13(6): 39-43.

[10]彭必友, 傅建, 胡腾.矩形和半圆形拉延筋几何参数对拉深阻力的影响[J].西华大学学报: 自然科学版, 2010,29(4):64-67.

Peng B Y, Fu J, Hu T. Effect of the geometrical parameters of drawbead with rectangular ＆ semicircular shape on drawing resistance[J]. Journal of Xihua University: Natural Science, 2010,29(4):64-67.

[11]林忠钦,李淑慧,王武荣, 等.汽车板精益成形技术[J].中国工程科学,2009,11(11):22-29.

Lin Z Q, Li S H, Wang W R, et al. The lean forming technology for auto sheet metal[J]. Engineering Sciences,2009,11(11):22-29.

[12]张骥超,刘罡,林忠钦, 等.侧围外板冲压工艺稳健性优化设计[J].上海交通大学学报,2012,46(7):1005-1010.

Zhang J C, Liu G, Lin Z Q, et al. Robust optimization for an autobody outer panel stamping process[J]. Journal of Shanghai Jiao Tong University,2012,46(7):1005-1010.

[13]苟春梅,吴民,董静,等. 汽车冲压件工艺参数优化及回弹控制[J]. 锻压技术,2018,43 (2): 34-37.

Gou C M, Wu M, Dong J, et al. Process parameter optimization and springback control of automotive stamping parts [J]. Forging & Stamping Technology, 2018, 43 (2): 34-37.

[14]周杰,莫安军,李慧,等.汽车前车门内板多步冲压成形回弹预测及控制[J].塑性工程学报,2009,16(6):64-67.

Zhou J, Mo A J, Li H . The prediction and control on the springback of the front inner panel of automobile at multisteps stamping[J].Journal of Plasticity Engineering,2009,16(6):64-67.

[15]王洪芬, 陶忠祥.弯曲件回弹主要影响因素研究 [J].吉林工程技术师范学院学报,2009,25 (3): 64-66.

Wang H F, Tao Z X. Study on the main influence factors of springback in bending parts[J]. Journal of Jilin Teachers Institute of Engineering and Technology,2009,25 (3): 64-66.

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