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AbbreviationsforBearingTechnologyinChinesean目录contentsFundamentalsofBearingTechnologyBearingmanufacturingprocessCommonEnglishabbreviationsinbearingtechnologyProfessionalTerminologyinBearingTechnologyCommonproblemsandsolutionsinbearingtechnologyFundamentalsofBearingTechnology01Abearingisamechanicalcomponentthatsupportsarotatingshaft,usedtoreducefrictionandwear,andallowstheshafttorotatesmoothlyundervariousworkingconditions.SummaryBearingsareusuallycomposedoftwooppositebearingsurfacesthatmaintainacertaingapbetweenthem,allowingtheshafttorotatefreelywithinthem.Thematerialofbearingsisusuallysteel,bronze,orplastic,andtheirshapeandstructurevaryaccordingtoapplicationrequirements.DetaileddescriptionDefinitionofbeatsSummaryBearingscanbeclassifiedaccordingtodifferentclassificationcriteria,suchasbytypeofrollingelement,bydirectionofloadonthebearing,etc.DetaileddescriptionAccordingtothetypeofrollingelement,bearingscanbedividedintoballbearingsandrollerbearings.Accordingtothedirectionofloadonbearings,theycanbedividedintoradialbearings,thrustbearings,andangularcontactbearings.Inaddition,accordingtothebearingstructure,itcanalsobedividedintoopenbearingsandsealedbearings.ClassificationofbearingsSummary:Bearingsarewidelyusedinvariousmachineryandequipment,suchasautomobiles,motors,aerospace,etc.Detaileddescription:Bearingsaremainlyusedincarstosupportrotatingshafts,suchasenginespindles,wheelhubbearings,etc.Inthemotor,bearingsareusedtosupporttherotorandensuresmoothoperationofthemotor.Intheaerospacefield,bearingsareusedtosupportkeycomponentssuchasaircraftenginesandhelicopterrotors.Inaddition,bearingsarewidelyusedinvariousindustrialequipmentandhouseholdappliances.ApplicationofbearingsBearingmanufacturingprocess02SummaryBearingmaterialisanimportantpartofthebearingmanufacturingprocess,whichdeterminestheperformanceandservicelifeofbearings.DetaileddescriptionTheselectionofbearingmaterialshasasignificantimpactontheperformanceandservicelifeofbearings.Commonbearingmaterialsincludehighcarbonchromiumbearingsteel,carburizedbearingsteel,stainlesssteel,etc.Thesematerialshavegoodwearresistance,corrosionresistance,andfatigueresistance,whichcanmeettheusagerequirementsunderdifferentworkingconditions.BearingmaterialSummaryBearingheattreatmentisacrucialstepinthemanufacturingprocessofbearings,whichdeterminesthemechanicalpropertiesofbearingmaterials.DetaileddescriptionBearingheattreatmentisanimportantmeanstoimprovethemechanicalpropertiesofbearingmaterials.Bycontrollingtheheatingandcoolingprocesses,theinternalstructureandorganizationofmaterialscanbechanged,therebyimprovingtheirhardnessandwearresistance.Commonbearingheattreatmentmethodsincludequenching,tempering,andsurfacetreatment.BearingheattreatmentSummaryBearingprocessingtechnologyisthecoretechnologyinthebearingmanufacturingprocess,whichdeterminestheaccuracyandperformanceofbearings.DetaileddescriptionBearingprocessingtechnologyincludesgrinding,ultraprecisionmachining,andpolishing.Thesetechnologiescanprocessbearingpartstohighprecisionandhighsurfacequality,therebyensuringtherotationalaccuracyandservicelifeofthebearings.Meanwhile,advancedprocessingequipmentandtechnologyarealsokeyfactorsinensuringthequalityofbearingprocessing.BearingprocessingtechnologyCommonEnglishabbreviationsinbearingtechnology03Cylindricalrollerbearing(CRB):AtypeofrollingbearingthatusescyclicalrollersastherollingelementsNeedbearing(NB):AtypeofrollingbearingthatusesneededshapedrollersastherollingelementsRollerbearing(RR):AtypeofrollingbearingthatusesrollersastherollingelementsBearingtypeabbreviations:Ballbearing(BB):AtypeofrollingbearingthatusesballsastherollingelementsBearingBalltypeabbreviations:Ballbearing(B):AtypeofrollingbearingthatusesballsastherollingelementsBallspringbearing(BSB):AtypeofrollingbearingthatusesballstoprovidespringengagementbetweentwoshiftsBallthrustbearing(BTHB):AtypeofrollingbearingthatusesballstoprovidethrustloadsupportBallscrew(BS):Amechanismthatconvertsrotarymotionintolinearmotionorviceverse,usingballsastherollingelements0102030405BallRollertypeabbreviations:Rollerbearing(R):AtypeofrollingbearingthatusesrollersastherollingelementsTaperedrollerbearing(TRB):AtypeofrollingbearingthatusestaperedrollersastherollingelementsSphericalrollerbearing(SRB):AtypeofrollingbearingthatusessphericalrollersastherollingelementsCylindricalrollerbearing(CRB):AtypeofrollingbearingthatusescyclicalrollersastherollingelementsRollerNeedletypeabbreviations:Needbearing(N):AtypeofrollingbearingthatusesneededshapedrollersastherollingelementsAngularcontactneedlebearing(ACNB):AtypeofneedlebearingthatisdesignedtocarryaxialloadsinonedirectionTaperedneedbearing(TNB):AtypeofneedbearingthatusesataperedshapefortheneedrollersSelfaligningneedbearing(SANB):Atypeofneedbearingthatallowsforselfalignmentbetweentheinnerandoutertracks0102030405Needle01Cylindricalrollerbearing(CRB):AtypeofrollingbearingthatusescyclicalrollersastherollingelementsCylindricalthrustbearing(CTB):AtypeofthrustbearingthatusescyclicalrollerstoprovideloadsupportCylindricalJournalBearing(CJB):AtypeofjournalbearingthatusescyclicalrollerstoprovideloadsupportCylindricaltypeabrasions:020304CylindricalProfessionalTerminologyinBearingTechnology04TerminologyforsteelballsSteelballsaretherollingelementsofbearings,madeofhigh-qualitysteelalloysThehardnessofsteelballsisanimportantparameterthataffectstheirwearresistanceandloadcapacityTheprecisionofsteelballsreferstotheirsize,shape,andsurfaceroughness,whichdirectlyaffectstheperformanceofbearingsRollingbearingsaremechanicalcomponentsthattransmittorqueandradialloadsbetweenrotatingshaftsandstationaryhousesBearinglifereferstothemaximumnumberofrevolutionsoroperatinghoursthatarollingbearingcanwithstandbeforefailureBearinghousing:Thebearinghousingisthestationarycomponentofarollingbearingassembly,providingsupportandalignmentforthebearingelementsTerminologyforrollingbearingsTerminologyforbearingmaterialsBearingsteelisahighqualitysteelalloythatisusedtomanufacturerollingbearingsduetoitsexcellentwearresistanceandfatigueproperties02Stainlesssteelisatypeofsteelthatisresistanttocorrosionandiscommonlyusedinbearingcomponentsthatrequirelongevityanddurability03Ceramicmaterialsareusedinbearingsfortheirhighperformanceresistance,corrosionresistance,andlowcoefficientoffriction01TerminologyforbearingheattreatmentTemperingisaheattreatmentprocessthatfollowsquenchingandinvolvesheatingthemetaltoalowertemperaturetoreduceinternalstressesandimprovetoughnessQuenchingisaheattreatmentprocessthatinvolvesrapidlycoolingametaltoincreaseitshardnessandstrengthSurfacetreatmenttechniquessuchaschromeplating,nickelplating,orthermalsprayingareusedtoenhancethewearresistanceandcorrosionresistanceofbearingcomponentsTerminologyforbearingprocessing010203Grindingisaprecisionmachiningprocessusedtoachievethedesiredsize,shape,andsurfacefinishofbearingcomponentsTheracewayisthecurvedsurfaceonwhichtherollingelementsofarollingbearingrollItmustbeprecisionmachinedtoensuresmoothoperationandaccurateloaddistributionAssemblyprocessinvolvesthepropertyinstallationofbearingcomponentsintotheirhomesorontoshaftstoensureproperalignmentandrelatedperformanceCommonproblemsandsolutionsinbearingtechnology05ThecausesandsolutionsofbearingfailureDefectsinbearingmaterials,suchasmetalfatigue,cracks,etc.Thesolutionincludesusinghigherqualitymaterialsandstrengtheningqualitycontrolduringtheproductionprocess.Insufficientlubrication:Thebearingslacksufficientlubricatingoilduringoperation,resultinginfrictionandwear.Thesolutionistoregularlycheckthelubricationsystemtoensuresufficientlubricatingoil.010203ThecausesandsolutionsofbearingfailureImproperinstallation:suchasimproperinstallationofbearingsorloosefasteners.Thesolutionistostrictlyfollowtheinstallationspecificationstoensurethatthebearingsareinstalledcorrectly.Overloadorimpactload:Excessiveloadorsuddenimpactloadmaycausebearingdamage.Overloadingshouldbeavoidedandimpactloadsshouldbebufferedorshock-absorbing.ThecausesandsolutionsofbearingnoiseThecausesandsolutionsofbearingfailureTheinternalclearanceofthebearingistoolarge,causingunstableoperationandgeneratingnoise.Thesolutionistoadjustthebearingclearancetomeetthedesignrequirements.Improperviscosityorinsufficientoilquantityoflubricatingoilcancauseunstableoperationofbearingsandgeneratenoise.Suitablelubricatingoilshouldbereplacedregularlyandtheoillevelshouldbeensuredtobesufficient.Therearescratches,peelingandotherdamagesonthesurfaceofthebearing,whichcancausenoiseduringoperation.Thebearingsurfaceshouldbeinspectedandrepaired,orreplacedwithanewbearing.ExcessiveinternalclearancePoorlubricationSurfacedamageThecausesandsolutionsofbearingnoiseThecausesandsolutionsofbearingnoiseResonancephenomenon:Whenthenaturalfrequencyofthebearin