基于CGA网格法分析避免车门内板成形中暗伤缺陷的产生  

Analysis to avoid the hidden flaw in forming inner door panel based on CGA grid method

作　　者：逯若东[1,2] 梅杰[3] 陈新平[1,2] 吴磊[1,2] 

机构地区：[1]宝山钢铁股份有限公司研究院,上海201900 [2]汽车用钢开发与应用技术国家重点实验室(宝钢),上海201900 [3]宝钢新日铁汽车板有限公司,上海201900

出　　处：《模具工业》2015年第4期36-39,共4页Die & Mould Industry

摘　　要：针对车门内板的暗伤缺陷,在分析材料性能的基础上,基于CGA网格试验法分析了暗伤产生的原因,根据零件不同位置的暗伤提出了不同的改进措施。实际生产表明,基于网格试验法提出的调试方案有效可行,提高了零件成形的安全裕度,保证了现场生产正常进行。The research was made on the reason for the hidden flaw produced on an inner door panel based on the analysis of material properties and the CGA grid test; and the different improvement measures were put forward for the hidden flaw in the different position. The practical production shows that the debugging scheme proposed according to CGA grid method was feasible and effective, and improved the forming safety.

关 键 词：车门内板 拉深变形 网格法 暗伤 

分 类 号：TG375.41[金属学及工艺—金属压力加工]