Design of hydroforming process for an automobile subframe by FEM and experiment

(整期优先)网络出版时间:2012-01-11
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Tubehydroformingtechnologyhasshowntheattentionoftheautomotiveindustryduetoitsadvantagesoverconventionalstampingandweldingmethods.Inthisstudy,thetubehydroformingprocessincludingtubebending,preformingandhydroformingprocessforanautomobilesubframeisanalyzedanddesignedbythesimulationsoftwareAutoFormofafiniteelementmethod(FEM)program.Aparametricstudyiscarriedouttoobtaintheeffectoftheformingparameterssuchasinitialtubesizeandloadingpathonthe...