轉(zhuǎn)向油泵定子成形工藝研究及實驗驗證.pdf

1、重慶大學(xué)碩士學(xué)位論文轉(zhuǎn)向油泵定子成形工藝研究及實驗驗證姓名：羅建陽申請學(xué)位級別：碩士專業(yè)：材料工程指導(dǎo)教師：周杰李先祿20030412重慶大學(xué)碩士學(xué)位論文英文摘要ABSTRACTSwayoilpumpstatorisanimportantpartofthedrivesystemTheinsidefashionoftheswayoilpumpstatoriscomplex，itswallthicknessispocketyandtheme

2、talflowlawisdifficulttomasterAtthepresenttime，theinvestigationofwarmextrusionformingtechniqueforthenonuniformwallthicknessforginghasfewtobeendoneTheformingtechniqueanddieconfigurationwhichuseforproductionhavenotachieveop

3、timizationInthisarticle，weintroductetheadvancednumerical，analysismethodfiniteelementmethodandluenbratetherigid—viscoplasticitybasictheoryforthreedimensionalproblemwitllthemetal’Sspecificfeatureofthewarmextrusionformingpr

4、ocess，theanalyticalprocedureofmetalductilityformingprocessandtherigid—viscoplasticityfiniteelementmethod’basictheoryThefigidviscoplasficity’Smodlehasbeenmadeandtheri垂曲iscoplasticity’Smodlefiniteelementcohimnwisebasedonth

5、eLagrangefacilmethodandovertensionovertresshasbeendeductedinthispaperAtthesametime，wehaveanalyticstudiedtheformingtechniqueprocessfortheswayoilpumpstarerAccordingtotheabOV@theories，withusingthesoftware一DEFORM一3D，wehavema

6、dethenumericalanalogsimulationandanalysetheWalTnextrusionformingtechniqueprocessforswayoilpumpstatoroptimizedtheforming：techniqueandthedieparameterforthepocketywallthicknessforgingT1ispaperconcretelyanalysisandresearchme

7、talflow’ScharacterizeindifferentformingprocessesIndifferentintemedietravel，themetalflowcharacterizeinwarmextrusionformingprocessesandtheaffectionfortheflowofmetalstagewhichmadebythedifferencebetweentheblankboRomaltitudea

8、ndtheaxialdirectionlimitingsizeinWalT／IextrusionformingtechniquehavebeenanalysedWehavegottentheequivalentstrainfieldandthevelocityfieldandotherfieldvariablethattheblankindifferentintemedietravelandthedietravelloadcu／veAt

9、thesametime，wehaveanalyzedthecontributingfaaorfortheoilpumpstatorformingprocessoptimizedandachievethereasonabledieparameterfortheWAITSextrusionformingFinally，theoptimizedtechnicsparametersWereusedintopilotproduction，then