面齒輪傳動的嚙合特性研究.pdf

1、南京航空航天大學(xué)博士學(xué)位論文面齒輪傳動的嚙合特性研究姓名：朱如鵬申請學(xué)位級別：博士專業(yè)：航空宇航推進理論及工程指導(dǎo)教師：高德平2000.5.1雪塑絲絲墊墼塑童塹絲墼壅AbstractAninvestigationonthemeshingcharacteristicsoffacegear(FG)drivesismadeinthispaperOrthogonal—aligned—shaftFGdrivesnon—orthogonal—ali

2、gned—shaftFGdrivesandofrSetFGdrivesarestudiedrespectivelyThegenerationofFG—the1irmtationoftoothwidthtoothcontactanalvsiswithandwithoutmisalignmenttransmissionerrors，contactratio，thecgtrvaUdreoftoothsurfaceandthevelocityo

3、ntoothsurfaceareincludedintheinvestigationTheresearchofthegenerationofFGismadebythederivationoftheequationsofFGtoothcontactlmesonioothinprocessing，plar／eofactionandfilletsurface，andbythevisualizationofcontactlinesFGtooth

4、surfaceandfilletsurfaceThelimitingequationsofundercuttingandpointingofFGisderivedoilthebaseofthevelocitvinprocessingandFGgeomenyandcorrespondinglytheminimkkrninnerradiusandmaximumouterradiusarefoITnulated】ntheresearchoft

5、he1imitationofFGtoothv6dthnedefinitionofminimumin／letradiusCOe伍cientandmaximumouterradiuscoe茁cientisproposedandamethodofapproximatelycalculatingthewidthofFGtoothisdevelopedTheeffectoftransmissionparametersisstudiedonthew

6、idthoftOOtLThecalculationshowsthatapproximatesotutionisveryneartoexactoneThemeshingofFGdriveswithoutmisalignmentisanalyzedbyderivingtheequationsofthelmeofactionandcontactpathontooth，andvisualizingcontactpathandstudyingth

7、eeffectoftransmissionparametelSontheIocationofitThemeshingofFGdriveswithmisalignmentwhichincludesshaftallgleerrorshaftcrossingerrorandaxialshinerrorisanalyzedbyusingthecontinuollstangencyofpinionandFGtoobtaintheequations

8、oftoothcontactanalysisandvisualizingcontactpath，andstudyingtheeffectoferrorsontheshiftofltAcomputationalprocedureoftoothcontactisdevelopedinthispaper，TheforillulaeaTegivenfortheanalysistransmittingangleeYrorandtransmitti

9、nganglespeedratioerrorThecomputationshowsthatallmisalignmentdoesnotcausethetransmissionellOKAmethodofanalyzingcontactratioofFGdriveswi也andwitl％mmisalignmentisestablishedandtheef凳ctoftransmissionparametersandmisalignmento

10、ncontactratioisinvestigatedAccordingtothetheoryofdifferentialgeometrythepnncipiecurvaturesoftoothsurfacesandprmcipierelativecurvaturesofFGdrivesinlinecontactandinpointcontactareanalyzed，andthedislributionofthesecurvature

11、sontootllsurfaceandtheirvariationwithtransmissionparametersareobta曲e4ThedeftnitionoftoothsurfacerelativespeedonefficientandtoothsurfaceslidingspeedCOCmcientispresentedandthevalues1ntheprocessofmeshingarecalculatedinthisP