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1、~‘~~%KU;,S;;I~GY~~~~ENTSWithThePermissbnOfAGMAUnderRoyaltyAgreementAGhAA21701.,OCT.,‘1965.:.:.>:...y::::::::.:::>g2.j:j:ci>:AGMAInformationSheetGearScoringDesignGuideforAerospaceSpurandHelicalPowerGears79a46(;&,46FAMERICANGEARMANUFACTURERSASSOCIATION1901NorthFortMyerDr
2、ive0Arlington,Virginia22209-FOREWORDAboutfouryearsago,theAGMAAerospaceGearingCommitteeestablishedagearscoringstudyproject,whichincludedthecollectingofdataongearsetswhichscoredanddidnotscoreinfieldoperationandteststandoperation,in-cludinggearrigtesting.Membersofthecommi
3、ttee,andanumberofnon-memberobservers,wereaskedtosendthegeartestdatatoMr.J.C.Leming,ViceChairman,AircraftPowerGearing,whocheckedoverthedataandassignedacaseorcodenumbertoeachgearsettokeepitunidentified.Itwasfeltthatmoreauthoritativedatawouldbemadeavailablewithoutrevealin
4、gtheprecisepracticeorproblemsofanyparticu-larcompany,orwithoutrevealinganyclassifiedmilitaryprojectdata.TheViceChairmansubmittedthecodedgeartestdatatoMr.A.J.Lemanskiforcalculationofthemaximumflashtemperatureindexandscoringindex.Thecalculationsweremade,usingaprogramwrit
5、tenintheFortransystem,onanIBM7070DigitalComputeratLycomingDivision,AvcoCorporation,Stratford,Connecticut.TheformulausedintheprogramisanimprovedversionoftheKelleyformulabyMr.D.W.Dudley.Thisimprovedformulaprovidesforadjust-mentofthetoothloadtoallowforloadsharingbymoretha
6、nonepairofteeth,andanadjustmentfortoothprofilemodifications.ThisinformationsheetwasfirstpresentedbyMr.A.J.LemanskiattheAerospaceGearingCommitteeMeeting,CherryPlazaHotel,Orlando,Florida,February27-29,1964.ItwasapprovedbythecommitteeSeptember17,1964.InformationSheetAGMA2
7、17.01wasapprovedbytheAGMAmembershipasofMay25,1965.Tablesorotherself-supportingsectionsmaybequotedorextractedintheirentirety.Creditlinesshouldread:“EktractedfromAGMAInformationSheet-GearScoringDesignGuideforAerospaceSpurandHelicalPowerGears(AGMA217.01),withthepermission
8、ofthepublisher,theAmericanGearManufacturersAssociation,1901NorthFortMyerDrive,Arlington,Virginia22209.”COPYRIGHT,1965
