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,,300072:,,,;,;:,,:;;;:TH132.425:1004132(2005)07061503ImpactsofBasicParametersonPlanetaryGearCharacteristicsWangShiyuSongYiminZhangCeXuWeidongTianjinUniversity,Tianjin,300072Abstract:Theinherentpropertyofplanetarygeartrainswithequalplanetspacingwasinvestiga2tedandthephenomenonofvaguevibrationmodeinthisdrivestylewasdiscovered.Therulethatcon2centratedeigenvaluehasnotdistinctvibrationmodewasgained.Theinfluencesofplanetgeartoothnumbersondynamicresponseswereanalyzed.Consequently,theplanetphasingwasperfected,andtherolesofplanetphasinginthevibrationreductionbyfloatingcenterpartswerestudied.Forthevi2brationwhosefundamentalfrequencyequaltothetoothmeshingfrequency,onlywhenthecentergearstoothnumbercannotbedividedbytheplanetgearsnumber,thevibrationreductionmethodhasdistincteffectiveness.Theconclusionsaredemonstratedbysimulations.Keywords:planetarygear;planetphasing;freevibration;vibrationreduction:20040610:(50205019);(20040056018)0,,,[1]2K-H,,,[2],,,,,,,,,1[1]2K-H:Mq+cGq+[Kb+Km-2cK]q=T(t)+F(t)(1),M;c;G;Kb;Km;K;T(t);F(t):(,);(,516);(,)[1],,,11662122(m)0.17680.27500.07740.1003(kg)4.293.580.520.47(kgm2)5.373.410.460.51(108N/m)1.01.01.01.0(N/m)01.01090(a),2416,2584Nm4525Nm,70r/min,4117108N/m6125108N/m(b)kp=31062109N/m,:(1a)(1b)1c[1](c)1,,,,[1]2,,,,2,(1)267662321332.1[3]Gspn=maxFspnTs/(Nrs)(2),n,n=1,2,,N;Fspn;Ts/(Nrs),,,Aspn=maxFspnTs/(Nrs)(3)(Zp),,,23:,,I,;,,,2.2,,,[4][5],,,46,:61616720054(a)(b)2(a)(b)3,,,I,;,,,(a)(b)4(a)(b)53(1),,[1](2),(622)716,,:[1],..,1996(5):811[2]SimaoJ,LeeHG,AspinwallDK,etal.Work2pieceSurfaceModificationUsingElectricalDis2chargeMachining.InternationalJournalofMachineTools&Manufacture,2003,43(9):121128[3],,,..,2001,52(3):4144[4],,,..,2001,12(4):466469[5],,,..,1998(2):2830[6],,,..,2004,15(6):549552[7]..:,1988[8]..:,2003[9]GasserRPH,RichardWG...:,1982[10],,..,2001,35(7):989992[11]..2.:,1993[12],,,..,2004(6):100102[13].().:,2000[14]..:,2003[15]..:,1983[16],,,..,2000(9):1214():,,19813,,1945,,1975,,1979,,1974(617)(a)(b)6,,,(3),,:[1]JianL,ParkerRG.AnalyticalCharacterizationoftheUniquePropertiesofPlanetaryGearFreeVibra2tion.JournalofVibrationandAcoustics,1999,121:316321[2]ParkerRG.APhysicalExplanationfortheEffec2tivenessofPlanetPhasingtoSuppressPlanetaryGearVibration.JournalofSoundandVibration,2000,263(4):561573[3],,,..:,1987[4],..:,2002[5].:[].:,2003():,,19744,,1971,,1941,,198022616720054