汽車轉(zhuǎn)向節(jié)鍛造工藝及有限元模擬研究.pdf

1、山東大學(xué)碩士學(xué)位論文汽車轉(zhuǎn)向節(jié)鍛造工藝及有限元模擬研究姓名：崔榮榮申請學(xué)位級別：碩士專業(yè)：材料加工工程指導(dǎo)教師：趙國群20080405ABSTRACTl鼉曼曼量曼詈皇曼曼皇曼量曼曼曼曼皇曼量皇曼曼皇曼量曼曼曼曼曼曼曼曼曼曼皇曼曼曼!曼皇曼曼量曼曼曼曼曼曼曼曼曼曼曼曼曼曼曼曼曼曼皇量曼曼量ResearchonFiniteElementSimulationofSteeringKunckleForgingProcessABSTRACTWith

2、thehighdevelopmentoftheautomobileindustry，automobileperformanceadvancescontinuallyNewforgingprocesses，materialandenergy鉗vingprocessesareveryimportanttotheproductionofnewtypeofautopartsSteeringknuckleisoneofthemostimporta

3、ntcarkeypartsandasafetypartItsupportsthebodyweight，transferssteeringmomentandenduresbrakingmomentoffront—wheelTherequirementofitsmechanicalcharacteristicsandcontourstructureisSOstrictthatitisveryhardtoproduceItisurgentne

4、edtosolvetheproblemthathowitcallbeproducedefficientlyandeconomicallyInthispapertheforgingprocessofsteeringknuckleisanalysed，gettheblankdrawingofsteeringknuckle，selectequipmentandgettheforgingprocessofsteeringknuckleDesig

5、nthedieofsteeringknuckleforgingprocess，themainparametersofpreforgingprocessandfmalforgingisobtainedThethreedimensionalfiniteelementsoftwareDEFORM3DisusedtoperformthehotdieforgingofthecarsteeringknuckleTheformingprocessof

6、theperforming，preforgingandfinishforgingforthesteeringknuckleisanalysedThematerialdeformationlawsandloadstrokecurvearepredictedThedistributionofthestressandsuaininworkpieeeiSobtainedNewforgingprocessofsteeringknuckleispr

7、oposedInthisnewforgingprocess，thepre—forgingprocessisimprovedtonewflashlessdieforgingprocessAnalysetheflashlessdieforgingprocessofsteeringknuckleNumericalsimulationofnewforgingprocessisanalysedEffectofthewidthofflashless