AGMA 1003-G93-1993 R 1999

AGMA1003-G93=068757500039097T3ANWAGMA1003493ERRATANovember,1995ThefollowingeditorialcorrectionsshouldbemadetoANSI/AGMA1003493,ToothPropoflionsforfine-PifchSpurandHelícalGearing(originallyprintedJanuary,1993).Thesechanges,discoveredafterpublication,havenotbeenmadeintheprintingofthisdocument.Thechangesareshownbelow.UsersofANSVAGMA1002493areencour-agedtocutoutthesestickersandinserttheminthestandard.Theequationscanbeplacedovertheexistingequa-tions.Page14IIN-2.1ocosy...(20):Ie-[sin$(sin$-cos+tan5)]IIIlI2.10cosßm...(20M):Izg=/sina,,(sinao-cosaotan591IITableC.l-EnlargementCriteria*~Helixangle,Jegreesv,(ßm)O51015182023253035404514.5Transverseprofileangle,degreesh(Olpt)14.50000014.55304014.71404814.98884915.21241115.38770715.69280815.92625216.62698517.52162418.65474820.089512Numberofteeth**Ne(@50.6249.9748.0745.0442.7741.O938.3736.4531.4226.2521.2216.54Helixangle,iegreesw(ßm)O51015182023253035404520rransverseprofileangle,degreesh(ccpl)20.00000020.07030820.28355920.64689620.94189621.17283221.57398321.88023222.79587723.95680325.41376627.236313Uumberofteeth**Ne(@23.6323.3622.5521.2520.2719.5418.3617.5215.3012.9910.718.54Helixangle,Jegreesw(ßm)O51015182023253035404525Transverseprofileangle,degreesh(apt)25.00000025.08377125.33761125.76926226.11893826.39218126.86577727.22643528.30005229.65097831.32976933.403198Numberofteeth**Ne(zg)14.4714.3213.8513.1112.5412.1211.4410.969.668.316.955.65i'*Basedon5minimumrollangleatformdiameter.NGisacalculatedvalue(seeequation18).Pinionswithnumbersofteeththatexceedthisvaluedonotrequireenlargement.ANSIIAGMA1003x93(RevisionofAGMA207.06-1974)AMERICANNATIONALSTANDARDToothProportionsforFine-PitchSpurandHelicalGearingIAGMASTANDARD~AGMA1003-G93=068757500032b2447ToothProportionsforFine-PitchSpurandHelicalGearingAGMA1003-G93RevisionofAGMA207.06-1974ApprovalofanAmericanNationalStandardrequiresveriiicationbyANSIthstherequirementsfordueprocess,consensus,andothercriteriaforapprovalhavebeenmetbythestandardsdeveloper.Consensusisestablishedwhen,inthejudgmentoftheANSIBoardofStandardsReview,substantialagreementhasbeenreachedbydirectlyandmateriallyaffectedinterests.Substantialagreementmeansmuchmorethanasimplemajority,butnotnecessarilyunanimity.Consensusrequiresthatallviewsandobjectionsbeconsidered,andthataconcertedeffortbemadetowardtheirresolution.TheuseofAmericanNationalStandardsiscompletelyvoluntary;theirexistencedoesnotinanyrespectprecludeanyone,whetherhehasapprovedthestandardsornot,frommanufacturing,marketing,purchasing,orusingproducts,processes,orproceduresnotconformingtothestandards.TheAmericanNationalStandardsInstitutedoesnotdevelopstandardsandwillinnocircumstancesgiveaninterpretationofanyAmericanNationalStandard.Moreover,nopersonshallhavetherightorauthoritytoissueaninterpretationofanAmericanNationalStandardinthenameoftheAmericanNationalStandardsInstitute.RequestsforinterpretationofthisstandardshouldbeaddressedtotheAmericanGearManufacturersAssociation.CAUTIONNOTICE:AGMAStandardsaresubjecttoconstantimprovement,revision,orwithdrawalasdictatedbyexperience.AnypersonwhoreferstoanyAGMATechnicalPublicationshouldbesurethatthepublicationisthelatestavailablefromtheAssociationonthesubjectmatter.[Tablesorotherself-supportingsectionsmaybequotedorextractedintheirentirety.Creditlineshouldread:ExtractedfromAGMA1003-G93,ToothProportionsforFine-PitchSpurandHelicalGearing,withthepermissionofthepublisher,theAmericanGearManufacturersAssociation,1500KingStreet,Suite201,Alexandria,Virginia22314.1ApprovedJanuary22,1993AmericanNationalStandardsInstitute,Inc.ABSTRACT:Toothproportionsforfinepitchgearingaresimilartothoseofcoarsepitchgearingexceptinthematterofclearance.For20degreeprofileanglefinepitchgearing,thisstandardprovidesasystemofenlargedpinionswhichusetheinvoluteformabove5degreesofroll.Dataon14-1/2and25degreeprofileanglesystemsareincludedintheannexes.CopyrightO1992byAmericanGearManufacturersAssociationPublishedbyAmericanGearManufacturersAssociation1500KingStreet,Suite201,Alexandria,Virginia22314ISBN:1-55589-580-8.....AGIA1003-G93Ob8757500032b3383=OoOANSUAGMA1003-G92ContentsForeword.............................................................................vPage11.11.21.322.12.233.13.23.33.43.53.63.73.83.944.14.24.34.44.54.64.74.84.9ScopeNumberofteeth................................................................1References....................................................................1Toothproportions...............................................................1TermsandsymbolsTerms.........................................................................1Symbols.......................................................................1GeneralfeaturesBasicrack.....................................................................3Pressureangleandprofileangle.................................................3Workingdepth.................................................................4Addendum.....................................................................4Clearance....................................................