高速切削系統(tǒng)動態(tài)特性研究.pdf

1、山東大學碩士學位論文高速切削系統(tǒng)動態(tài)特性研究姓名：吳化勇申請學位級別：碩士專業(yè)：化工過程機械指導教師：唐委校20050418山東大學碩士學位論文ABSTRACTHSMsystem(includingmachinet001cutterworkpieceandcuttingprocess)isacomplexdynamicsystem11ledynamiccharacteristicsoftheHSMsysteminfluenceandli

2、mitthereliabilitysafetyworkmanshipefficiencycostandthewholemachiningsystemThereforetheresearchesofHSMstabilityisanimportantfundamentalprojectwhichcandeveloptheHSMtechnologyDirectagmnsttheHSMcharaeteristicthedynamiccharac

3、teristicsandstabilityhavebeenstudiedWeanalyzedtheregeneratedvibrate，forced、ribmfionandresonancemechanismanalyzedtheamplitudemagnificationofthecuttingstateandtheunloadstateunderthesituationofvibratiollandestablishedtheHSM

4、dynamicsmodelTakethemainshafl，theshankandtheeInterasexamplessetupthedynamicsmodelthatconsideringthecentrifugalforceandturbinatemomentanalyzethedynamiccharacteristicusingthefiniteelementmethodIncludemainly：Carriesondynami

5、ccharacteristicanalysisofthesurfacemillingcurerstudythedynamiccharacteristicofthesurfacemillingcurerwithdifferentdiametersandnumberofteeth；CarriesondynamiccharacteristicanalysisoftheendmillingCritterstudythedynamiccharac

6、teristicoftheendmillingcutter、撕thdifferentdiametersandlengthtodiameterradio；CarriesondynamiccharacteristicanalysisoftheBT40spindle／holderandtheHSK63spindle／holderSmdytheimpactondynamiccharacteristicofthecentrifugalforcea

7、ndmrbinatemomenLandanalyzedynamiccharacteristicwithdifferentmain蛐supportAnalyzethedynamiccharacteristicoftheBT40spindle／holderandtheHSK63spindle／holderwithdifferentcureranddifferent咖1heresultofcalculationofnumbershows：Th

8、eimpactonthedynamiccharacteristicofthecentrifugalforceandtheturbinatemauixisobviouswithhi曲speed；BecausetheHSKspindle／holderadoptsthestructureoftwosidedconnectionitisbetterthantheonesidedconneIfftionAnalyzetheturbinatesys

9、temcharacteristicconsideringthehighspeedinfluencesprovidethecriticalconditioncriterionoftheHSMstabilityandthepredictionanalyticalmethod。ofitslimitofstabilitygivethelimitstabilitycalculationalmethodsofthesystemsofsinglede

10、greeoffreedomandmanydegreeoffreedomsAppraisalthedifferentmachiningcenterstabilityintwoways。oneistoseewhethertheioundofthebiggestrotationalspeedisinthestabilizingareatheotheristodependontheproductofthebiggestrotationalspe