机械外文翻译关于轴承和轴的相关知识.docx

机械外文翻译关于轴承和轴的相关知识.docx

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机械外文翻译关于轴承和轴的相关知识

附录一

KnowledgeOnTheBearingsandShaft

Thebearingsarefixedandreducetheloadcoefficientoffrictionintheprocessofmechanicaltransmissioncomponents.Canalsosaythatwhentheotherpartsontheshaftrelativemotion,usedtoreducethefrictioncoefficientintheprocessofpowertransferandfixedthemechanicalpartstomaintainthepositionoftheshaftcenter.Bearingsareimportantpartsofmodernmachineryandequipment.Itsmainfunctionistosupportthemechanicalrotatingbodytoreducetheloadcoefficientoffrictionofthemechanicalequipmentinthetransmissionprocess.Accordingtothedifferentnatureoffrictionofmovingparts,bearingscanbedividedintotwotypesofrollingbearingsandplainbearings.

NanoLake,Italy,foundaRomanvesseldiscoveredearlyinstanceofballbearings.Thewoodenballbearingsareusedtosupporttherotatingdesktop.Shipconstructionin40BC.ItissaidthatLeonardodaVinciinthe1500orso,aballbearingthroughdescription.,Thereisaveryimportantpointistheballcollision,causingadditionalfrictionbetweentheballbearingsofallkindsofimmaturefactors.Butcanputtheballintoasmallcagetopreventthisphenomenon.The17thcentury,Galileofixedball",or"cageball"ballbearingsdidtheearliestdescription.Butthenquitealongtime,thebearingshavebeeninstalledonthemachine.ThefirstpatentontheballchanneltheCarmarthenPhilipVaughanin1794.

In1883,FriedrichFischerproposedtheideaof​​theuseofsuitableproductionmachinegrindingthesamesize,roundnessaccurateball.Thislaidthefoundationtocreateanindependentbearingindustry.In1962,FAGthetrademarkhasbeenmodifiedandarestillusedtodayandbecomeanintegralpartofthecompanyin1979.

In1895,HenryTimkendesignedthefirsttaperedrollerbearings,threeyearslaterobtainedapatentandtheestablishmentoftheTimkenCompany.

In1907,SKFbearingfactorySventemperatureQwestdesignedthefirstmodernself-aligningballbearings.

Studyitsroleshouldbeintermsofsupport,thattheliteralinterpretationisusedtobearingaxis,butthisisonlypartofitsroleinsupportingitsessenceistobeabletobeartheradialload.Canalsobeunderstoodthatitisusedtoafixedaxis.Afixedaxissothatitcanonlyachieverotation,andcontrolofaxialandradialmovement.Motorwithoutbearingtheconsequencesisnotworkatall.Becausetheaxismaybeinanydirectionmovement,themotorworkrequirementsshaftonlyrotation.Impossibletorealizetheroleofthedrive,intheory,notonlythat,bearingalsoaffectthetransmissionmustbeachievedinordertoreducethiseffectinthehighspeedshaftbearinglubrication,andsomebearinglubrication,calledpre-lubricatedbearings,andthemostofthebearinglubricant,theloadathighspeeds,duetothefrictionwillnotonlyincreaseenergyconsumption,evenworse,isveryeasytodamagethebearing.Slidingfrictionintorollingfrictionisone-sidedtosaythingsbecauseofthekindcalledplainbearings.

Bearingtheclassificationanddescribedasfollows:

Equippedwithathinandlongrollerneedlebearing（thelengthoftherollerdiameterof3to10timesthediameterofgenerallynotmorethan5mm）,thereforetheradialstructureiscompact,itsinnerdiameterandloadcapacitywithothertypesofbearingthesameminimumoutsidediameter,especiallyforsupportingtheresultsofradialinstallationdimensionsrestricted.needlebearingaccordingtotheuseofdifferentoccasions,canbeusedwithoutinnerringbearingsorneedlerollerandcageassemblyandbearingtomatchthejournalsurfacedirectlyasabearingsurfaceandshellholes,outerrollingsurfaceinordertoensuretheloadcapacityandrunningperformancewitharingbearingthesameshaftorshellholesontheracewaysurfaceofthehardness,themachiningaccuracyandsurfacequalityshouldbethebearingrings.useCombinedneedlerollerbearingstotheheartneedlerollerbearingsandthrustbearingpartsbearingunitsofthecombinationofitscompactsize,small,highprecisionrotation,canwithstandhighradialloadtobearcertainaxialload.Andtheproductstructureinvariousforms,wideadaptability,easytoinstall.Combinedneedlerollerbearingsarewidelyusedinmachinetools,metallurgicalmachinery,textilemachinery,printingmachineryandothermachineryandequipment,andmakethemechanicalsystemdesignisverycompactandnimble.

AligningballbearingsSelf-aligningballbearings:

twooftheinnerringracewayandtheracewaybetweenthesphericalouterring,theassemblyofthedrum-shapedrollerbearing.Theouterringracewaycurvaturecenterandbearingcenterline,andthereforehavethesamealigningandself-aligningballbearings.Axis,theshelldeflectionoccurs,youcanautomaticallyadjusttonotincreasetheburdenofbearing.Sphericalrollerbearingscanbearradialloadandaxialloadintwodirections.Aligningballbearingradialloadcapacity,suitableforaheavyimpactloadconditions.Theinnerdiameteristaperedborebearingscanbeinstalleddirectly.Orusetheadaptersleeve,removethetubeinstalledinthecylinderaxis.Cagetheuseofsteelstampingcage,formingpolyamide-aligningballbearingswithstandheavyloadsandimpactloads,precisioninstruments,lownoisemotors,automobiles,motorcycles,metallurgy,mill,mining,petroleum,paper,cement,pressedsugarindustryandthegeneralmachinery.

Deepgrooveballbearingsimportedbearingsaremainlyusedforpureradialload,bothradialandaxialload.Onlyunderpureradialload,thecontactangleiszero.Performanceofangularcontactbearings,deepgrooveballbearingswithalargerradialclearance,andissubjectedtohighaxialload.Deepgrooveballbearings,thefrictioncoefficientissmall,thelimitspeedisalsohigh,especiallyinalargehigh-speedoperationoftheaxialloadconditions,deepgrooveballbearingsThrustballbearingsaremoreadvantages.Deepgrooveballbearingsarethemostrepresentativeoftherollingbearings,widelyused.Forhighspeedorhighspeedoperation,andisverydurable,withoutregularmaintenance.Theclasshasasmallcoefficientoffriction,highlimitingspeed,simplestructure,lowmanufacturingcost,easytoachievehighmanufacturingprecision.Sizerangeanddiversity,changesintheformusedinprecisioninstruments,lownoisemotors,automobiles,motorcyclesandgeneralmachineryandotherindustries,isthemachineryindustry'smostwidelyusedtypeofbearings.Themainradialload,andcanwithstandacertainamountofaxialloaddeepgrooveballbearingscanbeusedforthetransmission,instrumentation,motors,appliances,internalcombustionengines,transportationvehicles,agriculturalmachinery,constructionmachinery,constructionmachineryandsoon.

Aligningrollerbearingisasphericalouterringbetweenthetworacewaysoftheinnerringracewayassemblywithdrum-shapedrollerbearings.Aligningrollerbearingwithtworollers,mainlyexposedtothediameterofaload,butalsoabletowithstandtheaxialloadineitherdirection.Highradialloadcapacity,especiallysuitableforworkoverloadorvibrationloads,butcannotaffordthepureaxialload.Thiskindofbearingouterringracewayissphericalshape,aligningperformanceisgood,cancompensateconcentricityerror.Sphericalrollerbearingshavetwosymmetricalsphericalrollerouterringofacommonsphericalraceway,twobearingaxisofinnerringtiltangleoftheraceway,hasagoodaligningproperties,whentheaxisforcebearingwhenbendingorinstalladifferenthearttocontinueitsnormaluse,tuneconcentricwiththebearingdimensionseriesvary,generallyallowaligningangleof2.5degrees,thetypeofloadbearingcapacity,inadditiontoradialloadsTheouterbearingscanwithstandaxialloadofthetwo-wayrole,withgoodimpactresistance,ingeneral,self-aligningrollerbearingsallowedspeedislow.Sphericalrollerbearingsaccordingtothesectionshapeoftherollerisdividedintotwodifferentstructuresofthesymmetricalsphericalrollerandnon-symmetricalsphericalroller,asymmetricself-aligningrollerbearingsareearlyproducts,mainlythehostrepairservices,newdesignhostrarelyusesymmetricalself-aligningrollerbearings,theinternalstructureoftheoverallimprovementofthedesignandparametersoptimization,thanwiththeearlyproductionofaligningrollerbearings,abletowithstandgreateraxialload,thisbearingrunlowertemperatures,itcanadapttotherequirementsofhighspeed,accordingtowhethertheinnerribandcagecanbedividedintotwokindsofCandCA,C-typebearingischaracterizedbytheinnerwallandtheuseofsteelstampingframe,theCA-bearingcharacteristicsfortheinnerringonbothsideshaveribsmachinedsolidcageinordertoimprovethelubrication,canprovideuserswiththeouterringwithacirculartank,andthreeholeSphericalrollerbearings,setthecodetothebearings/W33canalsosupplyaccordingtotherequirementsofuserswiththeinnerholeofthealigningrollerbearings,inordertofacilitatecustomerhandlingandreplacementofbearings,canalsobeprovidedwithintheholewithataperaligningrollerbearings,bearings,taperedbore,taper1:

12aftertheset,code-namedK,inordertoadapttospecificuserrequirementscanalsobeprovidedwithinthetaperbearingsof1:

30,followedbytheset,code-namedK30holewithThetaperofthebearingcanbeusedlocknutbearingmountedontheconicaljournal,butalsocanmakeuseoftheadaptersleeveorwithdrawalsleevebearingsinstalledinthecylindricaljournal.

Combinationofbearing:

abearingformedbythecombinationofbearingstructurein