7.00t汽車輪輞型鋼孔型設(shè)計與軋制

1、東北大學(xué)碩士學(xué)位論文7.00T汽車輪輞型鋼孔型設(shè)計與軋制姓名：梁洪麗申請學(xué)位級別：碩士專業(yè)：材料工程指導(dǎo)教師：吳迪20090601東北大學(xué)碩士學(xué)位論文AbstractPassDesignandRollingof700TWheelRimSteelforAutomotive乃御cksAbstractWheelrimsteelforcarswascastuntil1980’SinlastcenturyHongqicarsusedhotroll

2、edwheelrimwhichwereimportedThentherewerenosteelcompanieswhichcouldproducewheelrimthroughhotrollingWiththerapiddevelopmentofautomotiveindustrytherehasbeenastrongmarketdemandforwheelrimsteel，amountingto500，000tinChinaForAn

3、gangsteelsectionsteelmill，itisawonderfulchanceFromthemiddleof1980’S，themillhascooperatedwithChangchunNo1automotivetodevelopwheelrimsteelforautomotivetrucksThepaperfocusesonresearchanddevelopmentandapplicationof700Twheelr

4、imsteelforheavytrucksAngangsectionsteelmillisamainproducerofsectionsteelinChinawithalonghistoryIthasthecapacityofrollingregularproductsandthosewithspecialsections，withthehelpofadvancedtechnology，richexperience，stableproc

5、essandfullscopeofequipmentThepaperbriefsthereasonswhytheprogramof700TwheelrimsteelforautomotivetrucksWassetupandresearchmethodandcontentItcomparesproductstructureandprocessandequipmentbetweensectionsteelmillsinChinaandde

6、scribessectionmilltrendItintroducesthecharacteristicof7OOTwheelrimsteelforautomotivetrucks，includingnotsymmetricaboutXandYhigherflangeononeendandachannelat17。ontheotherend，notevenweb，widerwebsectionandirregularsectionstr

7、uctureFurthermore，duetobiggerunitweightandhilghaccuratesize，thesteelshouldhavehigherstrengthandpropertoughnessandgoodweldabilitytoensuretheproduct’SlifeandsafetyThepaperfocusesprincipleandwayofrollpassdesignwhen700Trolli

8、ngwheelrimsteelforautomotivetrucksin爹580x4opentrainmillThenewprocessofbigbendingupgrooverollinghasbeenused，inwhichbendingangelisincreasedtoadjustpasshorizontalwidth，increasingheighttoensurewidthandbendingangelat480Thedes

9、ignalsosimplifiescomplicatedsectionstructurebyareadividing，thusformingflange，webandbutterflypartcomprisedofwebandchannelThedifferentdesignbaseswereusedsuchasdeformationrulesimilartochannelsteelforchannelpart，flatsteelfor

10、webandunequalangelsteelforbutterflypartAllparrtsarecombinedwithpresscoefficientasjointpointstoformpassdesignforwheelrimsteelwhichiscreativeandadvancedbysimplifyingsectionareasThepaperfinallysummarizesreasonsforqualitydef