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1、分类号摘要首先通过对钢板弹簧的弹性特性进行分析，熟悉钢板弹簧的组成和类别。然后研究一些对汽车行驶平顺性和操纵稳定性有影响的因素，并通过对这些因素的分析和研究，综合考虑各个因素，要清楚地知道所要设计的悬架应符合的要求。接着对长安星卡SC1022D7车型的已有数据进行分析计算，通过一系列的数据，分析出一套钢板弹簧系统。.最后，运用三维设计软件进行绘图，并对所设计的钢板弹簧悬架和该车型原有的悬架进行比较，指出在原有的基础上，所设计的钢板弹簧悬架的设计优点。通过研究分析，本文基本上完成了预定的任务，设计出比较合理的钢板弹簧悬架系统。所设计的钢板弹簧悬架与以前相比有比较突出的优点，使其行驶平
2、顺性有所提高，并使轴使用周期变长，能够迅速减震。关键词：钢板弹簧，汽车，有限元分析，优化设计AbstractFirstofall,according to the leafspring elastic characteristic analysis,familiar withthe leafspring componentand categories.Thenstudysome onvehicle ride comfortand handling stabilityofinfluentialfactors,and throughthe analysisofthese factors
3、and research,comprehensive considerationofvariousfactors,to know the designofsuspensionshall complywiththe requirements.Thenonthe Changanstar card SC1022D7 modelsfordata analysis,througha seriesofdata,analysisofa setofleafspring system.Finally,use ofthreedimensionaldesignsoftware formapping,an
4、d forthe designofleafspring suspension and the vehicle 'soriginalsuspensionwere compared,pointed out onthe basisofthe original,the designofleafspring suspensiondesignadvantages.Throughresearchand analysis,the article basicallycompleted the scheduled tasks,todesigna more reasonable leafspring s
5、uspensionsystem.The designofleafspring suspensioncompared withthe previoushasmore prominentadvantages,make itsride comfortisimproved,and the shaftusing cycle islong,canbe rapidlydamping.附录KeyWords:Leafspring,auto,finite elementanalysis,optimaldesign 目录摘要........................................
6、...........................................................................................1 Abstract.................................................................................................................................1 目录............................................................
7、.......................................................................2 第1章绪论.........................................................................................................................3 1.1 有限元简介..........................
