偏心摆式飞剪机构的最优化-分析与-研究

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1、△旦墨I丛￡至——ABSTRACTABSTRACT：Steelindustryisthebasicofnationaleconomyinourcountry．Flyingshearisoneoftheimportantsynchronousshearequipmentsinthesteelindustry．Withtherapiddevelopmentofthecontinuousrollingtechnology,asimportantequipment，nyingsheardirectlyaffectsbothproductionefficiencyand

2、economicbenefit．Foralongtime，flyingshearmainlyrelyonimportinourcountry．EccentricflyingshearWasstudiedinthispaperwhichadoptedtheoptimizationmethodsatisfyingkinematicsperformanceandimprovingdynamicperformance．Onconsiderationoftheswingflyingshear’Scharacteristicswhichwerelargevolume，he

3、avyweightandpoordynamicperformance．Traditionaloptimaldesignoffyingshearwhichisjustasimplekinematicsanalysis，Cannotmeettherequirementsofeccentricflyingshear．Sothispapercarriedoutthefollowingwork：Firstly,asimplifiedparameterizedmodelWasestablished，kinematicoptimizationanalysisWasimple

4、mentedandthecorrespondingkinematicscurveswereobtained．Secondly,accordingtotheresuitofkinematicsoptimization，theentitymodelWasestablishedanddynamicsoptimizationanalysisWasconducted．AttheSalTletime，thecorrespondinggraphofforcevariationWasobtained．Finally,modalanalysisofcrankshaftWasim

5、plementedandnatural矗equencywasobtained．Optimizationanalysisresultsshowedthattheoptimizationmethod，whichWasadoptedinthispaper,Callmeettherequirementsoftheflyingshear．DynamicoptimizationanalysisshowedthattheoptimizedflyingshearCanreduceimpactandvibrationon．stream．ThustheservicelifeWas

6、increasedandthequalityoftheproductsWasimproved．Modalanalysisofcrankshaftshowedthatunderdifferentkindsstressconditions．resonancewon’toccuroncrankshaft．Thereferencesforindependentresearchanddevelopmentofflyingshearwereprovidedbyconclusioninthispaper．KEYWORDS：Eccentricflyingshear；optim

7、izationdesign；modalanalysisCI．，ASSN0：THl22V1I目录中文摘要⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．vABSTR．ACT⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯viil绪论⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯一l1．1选题背景及意义⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯11．2飞剪机的发展及国内外研究现状⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯21．3研究内容⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯61．4论文组织结构⋯

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