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冷冲压汽车高强度纵梁开发实例
英文标题:Development case of cold stamping high strength longitudinal beam for automobile
作者:楚伟峰 崔礼春 赵烈伟 孙连福 
单位:安徽江淮汽车集团股份有限公司 
关键词:模面设计 表面处理 回弹 汽车纵梁 冷冲压 
分类号:TG386
出版年,卷(期):页码:2018,43(6):24-27
摘要:

基于某MPV车型纵梁前段冲压件模具设计制造实例,利用计算机辅助有限元分析、冲压件结构与模面设计、基准与公差设计等手段,优化纵梁工艺设计。将实物与理论分析相结合,通过模具加工工艺的优化、表面处理技术应用及调试影响参数控制,得到符合整车要求的纵梁前段。结果表明:型面回弹补偿量为1.25~1.5倍的回弹值时可得到相对优化的模面,拉延中底面扭曲及侧壁内凹的控制可采用顶部压料机构及拉延槛;纵梁前段侧壁设计特殊公差0~1.0 mm有利于装配;采用淬火后精加工工艺及表面处理提前实施可减少模具反复的调试;原材料性能的波动直接影响冲压件稳定性。
 

For the design and manufacture of stamping the front section of longitudinal beam for an MPV vehicle, the longitudinal beam process design was optimized by means of computeraided finite element analysis, stamping structure and die design, and datum and tolerance design. Combining the physical and theoretical analysis, the front section of longitudinal beam meeting the vehicle requirement was obtained by optimizing die processing technology, applying surface treatment technology and adjusting influence parameters control. The results show that when the springback compensation amount of profile is 1.25-1.5 times of springback value, a relatively optimized die surface can be obtained, and the distortion of the bottom surface and the concave side wall in drawing can be controlled by the top pressing mechanism and the drawbead. However, special tolerance of 0-1.0 mm designed for the side wall of the front section of longitudinal beam is helpful to assembly. Furthermore, the finishing process and surface treatment after quenching are implemented in advance to reduce the repeated die tryout, and raw material properties fluctuations directly affect the stability of stamping parts.

基金项目:
国家科技重大专项资助项目(2014ZX04002041)
作者简介:
楚伟峰(1986-),男,学士,工程师;Email:hitchu@sina.com
参考文献:


[1]李俊峰,董佳,赵赛. 汽车纵梁成形回弹的处理方案
[J].模具工业,2016,42(4):25-28.


Li J F,Dong J,Zhao S. Treatment schemes on springback of automobile longeron
[J]. Die & Mould Industry,2016,42(4):25-28.



[2]付三令. 汽车纵梁冲压工艺分析与改进
[J]. 模具工业,2015,41(6):37-42.


Fu S L. Analysis and improvement of stamping process for automobile longeron
[J]. Die & Mould Industry,2015,41(6):37-42.



[3]罗淼,尚善春.车身轻量化与噪声性能的平衡与优化
[J].农业装备与车辆工程,2017,55(1):31-34.


Luo M,Shang S C. Noise performance influence and optimization on lightweight body
[J].Agricultural Equipment & Vehicle Engineering, 2017,55(1):31-34.



[4]吴凤玲,曹振雨,刘万林,等. 电动汽车高强度地板纵梁拉延起皱及回弹补偿的解决方案
[J].模具技术,2016,(3):34-38.


Wu F L,Cao Z Y,Liu W L,et al. Solution for drawing wrinkle and springback compensation of electric vehicle′s high strength main floor bolster
[J]. Die and Mould Technology,2016,(3):34-38.



[5]黎明,钱怡,平东良,等.影响板材折弯回弹因素的研究
[J].轻工机械,2016,34(3):49-51.


Li M,Qian Y,Ping D L,et al. Study on factors influencing bending springback of sheet metal
[J]. Light lndustry Machinery,2016,34(3):49-51.



[6]杜晨宇,张光胜,张威,等. 汽车后地板工艺参数优化
[J].锻压技术,2014,39(8):24-29.


Du C Y,Zhang G S,Zhang W,et al. Optimization of process parameters for panel lower back of automobile
[J].Forging & Stamping Technology,2014,39(8):24-29.



[7]李彩霞,杨艳. 汽车前纵梁成形回弹控制
[J]. 锻压技术,2016,41(11):58-61.


Li C X,Yang Y. Springback control on front rail of autobody
[J].Forging & Stamping Technology,2016,41(11):58-61.



[8]毛卫国. 汽车纵梁冲压成形数值模拟及试验验证
[J]. 锻压技术,2017,42(4):55-58.


Mao W G. Numerical simulation and experimental verification on stamping formability for automobile crossbeam
[J]. Forging & Stamping Technology,2017,42(4):55-58.



[9]张稳定,佘威,黄永生,等.基于有限元的S形梁错位拼焊板拉深实例研究
[J]. 锻压技术,2015,40(8):20-23.


Zhang W D,She W,Huang Y S,et al. Research on the drawing of Sshaped girder by dislocation tailorwelded blank based on FFM
[J]. Forging & Stamping Technology,2015,40(8):20-23.



[10]童和强,钱星月,程虎.激光熔覆技术在模具表面处理中的研究进展
[J].台州学院学报,2011,33(3):40-43.


Tong H Q,Qian X Y,Cheng H. Research progress of laser cladding technology in surface treatment of die
[J]. Journal of Taizhou University,2011,33(3):40-43.



[11]杨启正.模具表面处理中激光熔覆技术的应用
[J].橡塑技术与装备:塑料,2015,(24):142-144.


Yang Q Z. Application of laser cladding technology in mold surface Treatment
[J]. China Rubber/Plastics Technology and Equipment:Plastics,2015,(24):142-144.

 

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