帶滾珠絲杠副的直線導(dǎo)軌結(jié)合部動(dòng)態(tài)特性研究.pdf

1、東南大學(xué)碩士學(xué)位論文帶滾珠絲杠副的直線導(dǎo)軌結(jié)合部動(dòng)態(tài)特性研究姓名：祝書龍申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：機(jī)械制造及其自動(dòng)化指導(dǎo)教師：蔣書運(yùn)20090415ABSTRACTStudyonDynamicCharacteristicsofLinearGuidewayJointwithBallScrewMasterCandidate：ZHUShulongSupervisor：JIANGShuyunSoutheastUniversityABSTRACTW

2、iththedevelopmenttrendforhigherspeedandprecision。machinetoolsneedbettermachiningaccuracyandrelibilitywhichaskformoreexcellentdynamiccharacteristicsThedynamiccharacteristicsofiointparts，asimportantpartoftotalmachine’Sdyna

3、micbehaviors，havetheobviousinfluencetOtotalmachine’dynamiccharacteristicsHowevertOdeterminethedynamicparameterofiointpartsstilliSoneofthekeypointsindynamicanalysisandoptimizationdesignofmachinetoolsbecauseofthecomplicate

4、dinfluencingfactorsofjointparts’dynamiccharacteristics。LinearguidewayiointwithballscrewiSoneofthetypicaliointpartsofmachinetoolsanditSdynamicbehaviorshavethesignificantimpactontotalmachine’SdynamiccharacteristicsFromnowo

5、n，therehaven’tbeaeffectivemodelingmethodforthisiointpartSoitiSsignificancetoresearchthetheoreticalmodelingmethodofthistypeofiointpartforthepurposeofanalyzingthedynamiccharacteristicsoftotalmachineInthispaperadynamicmodeI

6、oflinearrollingguidewayiointwithballscrewWasbuiltbasedonthehertzcontacttheorybythewayofcalculatingstaticstiffnessoflinearrollingguidewaytheaxialstifinessofbailscrewandangularcontactbalJbearingSotheiointparts’dynamicstiff

7、nesscharacteristicparametersinthreedirectionsweregottenAdynamicmodeloflinearhydrostaticguidewayiointwithballscrewWasbuiltbasedonhydrostatictechnologytheoryandthehertzcontacttheorybythewayofcalculatingStaticstiffnessoflin

8、earhydrostaticguidewaytheaxialstiffnessofballscrewandthrustrollerbearingAsetofsoftwareWasdevelopedusingMATLABwithGUItoanalysisthestiffnessoflinearrollingguidewayandtheaxialstifinessofnutsinballscrewTheeffectofloadviratio

9、nontheiointpart’Sstiffnesswasanalizedforpurposeofshowingtherelationshipofiointpart’SstiffnessandserviceloadGettingtheconclusionthattheaxialsti銜nessofointpartswereraisedwhentheserviceloadincreasinginthecaseofnovaryingofpr

10、etighteningforceDynamiccharacteristicsanalysesofaverticalmachiningcenterandrollergrandingmachinecontaininglinearguidewayiointwithballscrewprovedthatthedynamiccharacteristicmodelofjointpartwaseffectiveandfeasibleThedynami

11、canalysismodelproposedinthispaperpossessesthefeaturesofclearphysicalconceptandiSsimpletObesolvedcomparingwithfiniteelementcomputingmethodandconventionalmethodforidentifyingparametersThemodelCanbeusedintheresearchofthewho