高速數(shù)控插齒機(jī)結(jié)構(gòu)動(dòng)態(tài)特性分析.pdf

1、東南大學(xué)碩士學(xué)位論文高速數(shù)控插齒機(jī)結(jié)構(gòu)動(dòng)態(tài)特性分析姓名：屈仁義申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：機(jī)械工程；機(jī)械制造及其自動(dòng)化指導(dǎo)教師：蔣書運(yùn)20120531StructuralDynamicCharacteristicsAnalysisforHigh—speedCNCGearShaperByQURenyiSupervisedbyProfJIANGShu—yunABSTRACTStructuraldynamiccharacteristicsofth

2、ehighspeedCNCgearshaperhaveadecisiveinfluenceonitsmachiningprecision，anditiSconsideredasacrucialindextestrictingthedevelopmentofhigh—speedgearshaper。昕曲thehigh。speeddevelopmentofgearshapers，theinertiaforcegeneratedbythemo

3、vingpartsbecomeshigherthestructuraldynamiccharacteristicsofthemainforcedpartsdirectlydeterminetheproductqualityandtheperformanceofthegearshaperTherefore，itisnecessal3“toanalyzeandstudythedynamiccharacteristicsofthegearsh

4、aperTheobjectiveofthisresearchisanewdevelopedhigh—speedCNCgearshapertypedYW5120Themajorproblemsofthismachinetoolarethatithaslargevibrationandthetoolrelievingmechanismcan’tworkproperlywhenthespindlerunsathighspeedsTosolve

5、thesetwoproblems，structuraldynamicanalysisandimprovementdesignofthegearshaperareconductedinthispaperThemainworkofthepaperislistedasfollows(1)AvirtualprototypesimulationmodelofgearshaperiSestablishedbyaidofADAMSsoftwarean

6、dthetheoryofmultibodysystemdynamicsObtainthekinematicparametersandequivalentinertiaforceofthesystemviakinematicanddynamicsimulationanalysisTheresultsshowthattheinfluenceofdynamicperformanceofthegearshapercausedbytheinert

7、iaforcegeneratedbythemaindrivemechanismandtoolrelievingmechanismcannotbeignored，itisnecessarytoanalyzeandstudythedynamiccharacteristicsofthegearshaperIt’SnecessarytOdesignadynamicbalancemechanismtoreducetheinertiaforce(2

8、)EstablishedthedynamicbalancesimulationmodelofthemaindrivesystemthatiScomposedofaslidercrankmechanismbyuseofparametricanalysismoduleinADAMS，calculatedthebalancemassrequiredforthedynamicbalanceoftheslidercrankmechanismwit

9、hdifferenteccentricityrespectivelyThendesignedadynamicbalancemechanismtopartiallybalancetheinertiaforceTheinertiaforceWasreducedconsiderablyupto631％(3)Thedynamicanalysisandsimulationanalysisofthet001relievingmechanismare

10、realizedbVaidofADAMS，andtheresultsshowsthattherollerdisengagesfromthecamundertheactionoftheoscillatinginertiaforcegeneratedbytheturretForthisproblem，aimprovementdesignforthetoolrelievingmechanismisconductedbyadjustingthe