侧围外板腰线后三角窗位置起皱分析及对策  

Analysis and solution for wrinkle defect in the waist line of rear triangle window of body side outer panel

作　　者：何星明 李奇明 易炜 陈斌 HE Xingming;LI Qiming;YI Wei;CHEN Bin(Radar New Energy Automobile(Zhejiang)Co.,Ltd.,Hangzhou 311228,Zhejiang,China)

机构地区：[1]雷达新能源汽车(浙江)有限公司,浙江杭州311228

出　　处：《模具技术》2024年第2期35-41,共7页Die and Mould Technology

摘　　要：从冲压成型理论出发,结合成型极限图(FLD)阐述冲压起皱机理,为分析起皱问题提供了思路,以某车型SUV侧围外板为例,对腰线后三角窗位置的起皱问题进行解析,并于同步工程阶段,借助AutoForm分析软件找到了一种解决该起皱问题的对策,产品实物证实了该方法的有效性,对于同类结构的产品或工艺提供了参考,具有一定的推广和借鉴意义。This paper based on the theory of stamping forming and explains the mechanism of stamping wrinkle in combination with forming limit diagram(FLD),which provides a clear idea for analyzing the wrinkledefect.Taking the side panel of an SUV model as an example,the wrinkle defects of the rear triangle window position of the waist line is analyzed,and a countermeasure to solve the wrinkling problem is found by means of AutoForm analysis software in the simultaneous engineering stage.The effectiveness of the method is verified by the product,and it provides a reference for the similar structure products or processes,and has a certain popularization and reference.

关 键 词：起皱 同步工程 冲压工艺 成型极限图(FLD) 侧围外板 

分 类 号：TG386[金属学及工艺—金属压力加工]