套沖在精密沖裁中的應(yīng)用研究.pdf

1、套沖在精密沖裁中的應(yīng)用研究Applicationofferrulepunchinginfineblanking作者姓名基垂生學(xué)位類型堂壓亟學(xué)科、專業(yè)撾料地王王猩研究方向植魁盛醴迭甌邋垡塑幽導(dǎo)師及職稱幽雖4趲趲扈塾握2007年3月ApplicationofferrulepunchinginfineblankingABSTRACTAnewcomplexferrulefineblankingtechnologycombinedwiththei

2、deaofferrulepunching，isintroducedintheresearchingonthepressurerotorandfenderringinthispaperResearchingonformingparametersbytheoreticalanalyzingandnumericalsimulating，anddoingexperiments，demonstratefeasibilityandeconomyTh

3、enewalmostdoublesmaterialutilization，andhasgreatbatchproductioneconomicbenefitsBasedontheperformanceofrotorandringfine—blanking，thenewtechnologyisformedandoptimizedAprogressivemold，withspecialextrusionandfineblankingstru

4、cture，isdesignedtosolvetheproblemofpunchintensityandtheconflictbetweenVteethholderandnarrowscrapCAEisalsousedtosimulatethefine—blankingprocessin2Dand3DTheeffectsofcuttinggapandBHF(BlankHoldForce)ondeformationareresearche

5、dmainlyandthestressstraindistribution，materialflowareanalyzedbyplasticdeformtheoryin2DThe3DpressstressdistributionundercorrectgapandBHFissimulatedin3DAtlast，productissatisfiedbytesting，andmaterialutilizationisincreasedfr

6、omless16％to30％upwards，andabatchproductionwithsteadyqualityiskeptThenewtechnologyisasuccessfulinnovativeapplicationinthefieldoftraditionfineblanking，whichoffersatechnologycompoundingthougMforinnovationanddevelopmentinsome