某车型前副车架异响问题解析  

Analysis of the Front Subframe Abnormal Noise

作　　者：吴黎 王小兵 李荣 宋雅婷 唐乐为 WU Li;WANG Xiao-bing;LI Rong;SONG Ya-ting;TANG Le-wei(Xiangtan Institute of Technology,Xiangtan,411100;GAC Mitsubishi Automotive Co.,Ltd.,Changsha 410100;GAC Fiat Chrysler Automobiles Co.,Ltd.,Changsha 410100;Hunan University,Changsha 410082,China)

机构地区：[1]湘潭理工学院,湖南湘潭411100 [2]广汽三菱汽车有限公司,湖南长沙410100 [3]广汽菲亚特克莱斯勒汽车有限公司,湖南长沙410100 [4]湖南大学,湖南长沙410082

出　　处：《汽车电器》2022年第10期82-85,87,共5页Auto Electric Parts

摘　　要：针对实车底盘异响问题,运用零件核查和拆解方法确定异响发生在副车架与右下摆臂连接处,采用系统图分析造成异响的影响因素,并明确副车架槽口尺寸超差为产生异响的要因。通过关联图,进一步分析确定冲压成形镶块定位销缺失、整形镶块磨损及出厂检查不合理等为主要末端因素。通过改善冲压模具镶块、焊接模具定位及优化检查方法等手段,能有效改善前副车架异响问题。In view of the vehicle chassis abnormal noise issue,using parts verification and dismantling method to determine the sound occurred in the joint of subframe and the lower right swing arm.Using the system diagram analysis the influence factors to the sound and clear that the frame slot size out-of-tolerance was the main factor for the abnormal sound.Through correlation diagram further deter-mine that the stamping mould set piece positioning pin missing,plastic panel board wearing and unreasonable factory inspection as the main terminal factors.By improving stamping mould set piece,welding die positioning and optimal inspection method,can effectively improve the front sub-frame abnormal issue.

关 键 词：底盘异响 副车架 关联图 冲压模具 

分 类 号：U463.6[机械工程—车辆工程]