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471039。、。KTH132．41B1006－0006201404－0055－04DesignofGearToothProfileandAxialModificationWANGFu-kaiYANGWan-liＲ＆DcenterYTOGroupCorporationLuoyang471039ChinaAbstractThispaperintroducedthedesignofgeartoothprofileandaxialmodificationdesignedtheblockdiagramoftoothprofilecheckingaccordingtotheconditionofcontinuoustransmission．Themodificationofgearscanreducetheeffectofmanufacturingerrorandinstallationerrorandreducethedynamicloadofgearsimprovetheunevenphenomenonofgearstressanduselifeofgears．KeywordsToothprofilemodificationDrum-shapedmodificationKchart、、。、。。。。。1。。CSAE。。12“K”K。1Fig．1ProfileToleranceofGear2Fig．2ProfileToleranceofGearbyModifingToothTopandＲoot2013－11－04·55·414Vol．41No．420148Tractor＆FarmTransporterAug．20141．1。、1。、0．0007～0．03mm。KSAP、EAPOPD。1SBPEBP。。3。3Fig．3MeshingofGearPairs3iT1T2abT1a1T1v1T1w1T1b1T2b2T2w2T2v2T2b2。12z1、z2Δh1、Δh2a'αwtdb1、db2da1、da2dw1、dw2pbt。g12=T1T2=dw1sinαwt+dw2sinαwt=dw1+dw2sinαwt=a'sinαwt。1OPD1=dw1=2z1a'/z1+z2OPD2=dw2=2a'－OPD1g1i=T1i=0．5OPD1sinαwtg2i=T2i=0．5OPD2sinαwtθ1i=57．29T1i/db1/2=57．29g1i/db1/2θ2i=57．29T2i/db2/2=57．29g2i/db2/22EAP1=da1－2Δh1EAP2=da2－2Δh2g1b=T1b=da1－2Δh12－d2b槡1/2g2a=T2a=da2－2Δh22－d2b槡2/2θ1b=57．29T1b/db1/2=57．29g1b/db1/2θ2a=57．29T2a/db2/2=57．29g2a/db2/23g1a=T1a=T1T2－T2a=g12－g2ag2b=T2b=T1T2－T1b=g12－g1bθ1a=57．29T1a/db1/2=57．29g1a/db1/2θ2b=57．29T2b/db2/2=57．29g2b/db2/2SAP1=2db1/22+T1a槡2=2db1/22+g21槡aSAP2=2db2/22+T2b槡2=2db2/22+g22槡b4g1w=T1w=T1i+pbt/2=g1i+pbt/2g2v=T2v=T2i+pbt/2=g2i+pbt/2θ1w=57．29T1w/db1/2=57．29g1w/db1/2θ2v=57．29T2v/db2/2=57．29g2v/db2/2EBP1=2db1/22+T1w槡2=2db1/22+g21槡wEBP2=2db2/22+T2v槡2=2db2/22+g22槡v5g1v=T1v=T1i－pbt/2=g1i－pbt/2g2w=T2w=T2i－pbt/2=g2i－pbt/2θ1v=57．29T1v/db1/2=57．29g1v/db1/2θ2w=57．29T2w/db2/2=57．29g2w/db2/2·65·420148SBP1=2db1/22+T1v槡2=2db1/22+g21槡vSBP2=2db2/22+T2w槡2=2db2/22+g22槡w1．2z1=51z2=61Δh1=Δh2=0．3a'=152．4αwt=20．921°db1=129．6431db2=155．0634da1=144．26da2=171．15pbt=7．986。g12=152．4sin20．921°=54．41791OPD1=2×51×152．4/51+61=138．79OPD2=2×152．4－138．79=166．01g1i=0．5×138．79×sin20．921°=24．7796g2i=0．5×166．01×sin20．921°=29．6383θ1i=57．29×24．779/129．6431/2=21．90°θ2i=57．29×29．6383/155．0364/2=21．90°2EAP1=144．26－2×0．3=143．66EAP2=171．15－2×0．3=170．55g1b=143．662－129．6431槡2/2=30．9469g2a=170．552－155．0634槡2/2=35．5058θ1b=57．29×30．9464/129．6431/2=27．35°θ2a=57．29×35．5058/155．0634/2=26．24°3g1a=54．4179－35．5085=18．9094g2b=54．4179－30．9469=23．4710θ1a=57．29×18．9094/129．6431/2=16．72°θ2b=57．29×23．4710/155．0634/2=17．35°SAP1=2129．6431/22+18．9094槡2=135．05SAP2=2155．0634/22+23．4710槡2=162．014g1w=24．7796+7．789/2=28．7726g2v=29．6383+7．986/2=33．6313θ1w=57．29×28．7726/129．6431/2=25．43°θ2v=57．29×33．6313/155．0634/2=24．85°EBP1=2129．6431/22+28．7726槡2=141．84EBP2=2155．0634/22+33．6313槡2=169．025g1v=24．7796－7．986/2=20．7866g2w=29．6386－7．986/2=25．6453θ1v=57．29×20．7866/129．6431/2=18．37°θ2w=57．29×25．6453/155．0634/2=18．95°SBP1=2129．6431/22+20．7866槡2=136．15SBP2=2155．0634/22+25．6453槡2=163．330．0150．0060．030K4。4KFig．4KChartofGears2、。、。。3。。。。ISO6336－12006《》2。2．15。·75·5CβbbbFig．5CβbandbbCβ=0．5fsh+fHβfshfHβ。2．26。6CⅠⅡbⅠⅡFig．6CⅠⅡandbⅠⅡISO。2．2．111CⅠⅡ=fsh+1．5fHβCⅠⅡ=0．5fsh+1．5fHβ2bⅠⅡ0．1b1m。、bred=0．5～0．7b。2．2．22δbth。δbth=Fm/bcγβ=FtKAKV/bcγβFmNFtNKAKVcγβN/mm·μm。CⅠⅡ=2～3δbthbred=0．8～0．9bCⅠⅡ=3～4δbthbred=0．7～0．8b3K。、。。1．M．2010143．2ISO6336－12006CalculationofloadcapacityofspurandhelicalgearsS．1986－1987－檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷。54PM60%。2p-HCCIp-HCCIp-HCCI。3。。1．J2006940－42．2．ⅡJ．200938486－88．3．HCIIJ．2004225392－393．4WalterBGatellierB．DevelopmentofthehighpowerNADITMcon-ceptusingdualmodedieselcombustiontoachievezeroNOxandparticulateemissionsZ．SAEPaper2002－01－1744．5、．p-HCCIJ．2008266481－483．6．S195J．200633478－80．7M．1984161－165．1968－。·85·420148