某轿车门槛梁轻量化设计及回弹控制  

Lightweighting design for threshold beam of a car and the control of springback

作　　者：高新华[1,2] 陈云霞[2] 

机构地区：[1]合肥工业大学机械与汽车工程学院,安徽合肥230009 [2]奇瑞汽车股份有限公司汽车工程研究总院,安徽芜湖241009

出　　处：《合肥工业大学学报（自然科学版）》2014年第2期150-154,共5页Journal of Hefei University of Technology：Natural Science

摘　　要：文章采用高强度钢,对某轿车门槛加强板进行轻量化设计,减轻了门槛加强板的质量;针对高强度钢的开裂和回弹问题,分析了材料、压边力、拉延筋和零件的局部形状等因素对回弹的影响;对门槛加强板的结构进行改进,进一步减轻了质量,并通过改变压边力、布置合理的拉延筋,有效地控制了回弹量。In order to lighten the weight of the threshold beam of a car ,a lightweighting design is car-ried out by using high strength steel . For the problems of the crack and springback of the high strength steel ,the factors which affect the springback ,including materials ,binder force ,drawbead and local shape of parts ,are analyzed .The structure of the threshold beam is improved so that the weight of the threshold beam is reduced much more and the quantity of springback is controlled effec-tively by varying the binder forces and arranging the draw beads reasonably .

关 键 词：轻量化 高强度钢 回弹 拉延筋 

分 类 号：TG142.1[一般工业技术—材料科学与工程] TG81[金属学及工艺—金属材料]