ISO 04156-1-2021.docx

INTERNATIONA1.STANDARDISO4156-1editionSeCOnd202102Straightcy1.indrica1.invo1.utesp1.ines一Metricmodu1.e,sidefit一p1.ura1.itiesCanne1.uresCy1.indriquesdroites(if1.ancsendeve1.oppanteModu1.emetriqueracentragesurf1.ancs一Partie1:Genera1.itesReferencenumberIS04156-1:2021(E)COPYRIGHTPROTECTEDDOCUMENT©ISO2021岫rkdea/山thUcdOthcnviscjft<c三orrtmcehDVBiwixuioiti08phnn11UatiocBhr<1.>hotoc<>p)Mng,ptbcatonpostingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanherequestedfromeitherISOattheaddressbe1.owOr1.sOXSmemberbodyinthecountryoftherequester.%,tft晒Iandonnet8CH-1214*crnicr,GenevaPhone：M1.22749O1.11Pub1.ishedinSwitzerhndContentsPageForewordivIntroductionSconeV1.11.3Normativereferences1Termsanddefinitions14SymboIs,subscriptsandabbreviatedtermsS4.1Genera1.svnibo1.s554.2Subscripts1.Conceptofsidefitsp1.ines8116137Basicrackprofi1.esforsp1.ine228239Spacewidthandtooththicknessto1.erances269.2Deviationa1.1.owancer279.4Tota1.prpiikideviationrF吊Q9.5 Tota1.he1.ixdeviation,F9.6 MachiningtoIeranceiT&29一，96封假槌f辗诺帆挑弁hce,Tvdiinensionsforspacewidthandtooththickness299.8.2Maximummateria1.(minimumeffectivec1.earance)2910I*-Minorandmaiordiameters31110.1 To1.erances3110.2 Adjustmenttominordiameters(fe),formdiameters(DFe)andmajordiameters(1.fpxtpma1.n1.inp2211Manufacturinganddesignconsiderations3211.1Radii.3211.2Profi1.eshifts3211.3EteMriCityECrDdtIntja1.ignment3311.3.2Misa1.ignment331211.3.3Majorandminordiameters.33Sp1.inedata3312.2Combinationoftypes34123DeSiBnatiOn3412.4DrawingdataAnnex(informative)Drawingdataexamp1.eca1.cu1.ations36Bib1.iography62ForewordISO(theInternationa1.OrganizationforStandardization)isawor1.dwidefederationofnationa1.standardsHUdiUgh(ISOtdoitof1.iiRj)tdS(voEkuHwtf1.pbtjr)gbody1.1.tirotitti1.6tandrij)iifo>whidr1.arrted)mitteehasbeenestab1.ishedhastherighttoberepresentedonthatcommittee.Internationa1.organizations,governmenta1.andnon-governmenta1.,in1.iaisonwithISO.a1.sotakepartinthework.ISOco1.1.aboratesc1.ose1.ywiththee1.ectrotechnica1.standardization.Internationa1.E1.ectrotechnica1.Commission(IEC)ona1.1.mattersofTheproceduresusedtodeve1.opthisdocumentandthoseintendedforitsfurthermaintenanceareg取轩他匐B搬。於0/正，出寿冷屈能驯1btheeditoria1.ru1.esoftheISO/IECDirectives.Part2(secwww.iso.org/direc1.ives).MionrigbtS戚丽n施腻飒卿SnSi嘏麻吸瞄麻赧眈doc1.M曲锚;鼠例版subjectofanypatentrightsidentifiedduringthedeve1.opmerUM4i÷uttwMM4JbeintheIntroductionand/orontheISO1.istofpatentdec1.arationsreceived(seewww.iso.org/pa1.ents).Anytradeusedinthisconstitutenameendorsement,documentisinformationgivenfortheconvenienceofusersanddoesnotForanexp1.anationofthevo1.untarynatureofstandards,themeaningofISOspecifictermsand碑版陶曲嬲fi%tioncon(温P限晓Mthe可般IIi潴称小牖ticn浊器d淮ISJ华哂螂僦?isoforeword.htn1.ThisdocumentwaspreparedbyTechnica1.CommitteeISO/TC14,ShaftsOfmachineryandaccessories.Thissecondeditioncance1.sandrep1.acesthefirstedition(ISO4156-1:2005),whichhasbeentechnica1.1.yrevised.Themainchangescomparedtothepreviouseditioninc1.udes:ISO268-1hasbeenremovedfromC1.ause2;ISO4156-2andISO4156-3havebeenmovedfromG1.ae2toBib1.iography;thedefinitionsofbasediameter,majordiameter,minordiameterrdepthofengagement,theoretica1.c1.earance,out-of-roundness,andauxi1.iarydimensionhavebeenremoved;Symtert4mta4bion(mn)5tgAew8羽Oirns,accordingtoISO80000-3rhavebeenadopted inFigure8,c1.earancebetweenexterna1.sp1.ineandmatingparthasbeencorrected;inFigure corrected;10,measurementofspacewidth,effectiveandtooththickness,effectivehavebeen inFigure11,thefiguretit1.ehasbeenchanged;in-Pgwe-45.theindicationofformtoothheightandminortoothheighthasbeencorrected;inTab1.e11,theto1.eranceonPiifordiameter>80to120inco1.umnH11hasbeencorrected;thepreviousTab1.es14to17havebeencorrectedandmovedtoMwex-A;-inA.4,theca1.cu1.ationofMRCm11hasbeencomp1.eted.1.istofa1.1.partsintheISO4156seriescanbefoundontheISOwebsite.IntroductionISO4156(a1.1.parts)providesthedataandindicationsnecessaryforthedesign,manufactureandinspectionofstraight(non-he1.iw1.)side-fittingcy1.indrica1.invo1.utesp1.ines.Straightcy1.indrica1.invo1.utesp1.inesmanufacturedinaccordancewithISO4156(a1.1.parts)areusedforc1.earance,s1.idingandinterferenceconnectionsofshaftsandhubs.Theycontaina1.1.thenecessarycharacteristicsfortheassemb1.y,transmissionoftorque,andeconomicproduction.Thenomina1.pressureang1.esare300,37,5°and45o.Fore1.ectronicdataprocessingpurposes,theformofexpression37,5°hasbeenadoptedinsteadof37o30*.ISO4156(a1.1.parts)estab1.ishesaspecificationbasedonthefo1.1.owingmodu1.es：forpressureang1.esof300and37,5°themodu1.eincrementsare:0,5；0,75