外文翻译--减速器和主要零件的简介以及对产生噪声的分析.doc

英文原文Mineralproductmonorailreductiongearsynopsis、themainpartsofthepaperandtheresearchonthenoicereducerFirst:whatisreducerReducerisadynamiccommunicationagencies,theuseofgearspeedconverters,motorrotationalspeedreducertotheRotarytobefew,andhavegreatertorqueinstitutions.Thereducerrole1)velocityatthesametimeincreasetheoutputtorque,torqueoutputratiobymotoroutputbyslowdown,buttheattentionshouldbepaidtoexceedtheratedtorquereducer.2)thespeedatthesametimereducetheinertiaload,theinertiaofdecelerationthanreducedtothesquare.WecanlookattheGeneralMotorshasavalueofinertia.ThetypeofreducerGeneralhelicalgearreducerhasreducer(includingparallelshafthelicalgearreducer,awormreducer,bevelgearreducer,etc.),planetarygearreducer,Cycloidreducer,awormreducer,aplanetaryfrictionCVTmechanicalmachines.Commonreducer1)wormreduceristhemaincharacteristicsofareverseself-lockingfunction,canbelargerthanaslowdown,inputshaftandoutputshaftaxisisnotthesame,norinthesameplane.Butgenerallylarger,transmissionefficiencyisnothigh,theaccuracyisnothigh.2)HarmonicHarmonicDrivereduceriscontrollableusingflexiblecomponentstotransferelasticdeformationanddynamicmovement,notvolume,highprecision,butthedisadvantageisthatflexiblewheellimitedlife,impatientshocks,rigidityandpiecesofmetalrelativelypoor.Nottoohighspeedinput.3)planetaryreduceritscomparativeadvantageiscompactstructure,thereturngapsmall,highprecision,andhavealonglifespanratedoutputtorquecanbedonegreat.However,apriceslightlyexpensive,therequirementsofpartsbeforeassembly1.Rollingcleaningwithgasoline,keroseneotherpartscleaning.AllpartsandXiangbennanotallowedtohaveanyimpuritiesexist.Gearboxandtheinnerwall(Worm),unprocessedsurfacehasnotbeencoatedtwiceerosion-resistantoilpaint,boxhastheoutersurfacecoatedprimerandpaintcolor(colorrequestedbyhost).2.PartscoatedwithafacewashafterlubricantsSecond,therequirementsofinstallationandadjustment1.RollinginstallationRollingbearinginnerringshouldbeinstalledattheshaftshoulderclosetogapmustnotpass0.05mmthickCypriotfeet.2.Bearingaxialclearanceoftheclearancecannotbeadjustedbearings(suchasdeepgrooveballbearings),axialclearanceof0.25to0.4mm；theclearanceadjustablebearingaxialclearancenumericaltable.ClickTaperedRollerBearingsaxialclearance；angularcontactballbearingaxialclearance3.Gear(Worm)meshingtoothspaceavailableCypriotsidefootofleadorpressure.Willbeleadwireonthealveolar,andthenturninggearandsquashleadwire,measuringtwoteethsidewascrushedleadwirethicknessandthesizeofwhichisadjacentteeth.4.ToothcontactdotcylindergeartoothcontactDot2-10-4；bevelgeartoothcontactDot2-11-4；GearingcontactDot2-12-4Third,sealrequirements1.Boxpartitionbetweenthesurfacedoesnotallowanypadsfilled,butcanbecoatedorwaterglasssealanttoensurethattheseal；2.Assembly,thebolttighteningbox,beforeusing0.05mmCypriot-footinspectionCoversBlockwithmeandbetweenthesealingsurface；3.Shaftsealshouldstretchtosmeargrease.ThesealshouldbeinstalledinstrictaccordancewiththerequirementsForth,lubricationrequirements1.Rationallydeterminethetypesoflubricantsandgreasesandgrades2.Bearinglubricationfat,greasefilledinthegeneralFatliquorspacecanbe1/2to2/3.3.Lubricantsshouldberegularlyreplaced,thenewreducerusedforthefirsttime,theoperationofoil-714days,accordingtothesituationcanbeafterevery3to6monthsforfirstoil.Fifth,thetestrequirements1.Emptyoperation:atratedspeedis,anti-running1to2hours；2.Loadtest:atratedspeed,ratedloadoperation,theoiltemperaturebalancetodate.Onthegearreducer,requestedthepooltemperatureisnotmorethan35oC,bearingtemperaturerisenomorethan40oC；thewormreducer,requestedthepooltemperaturenotmorethan60oC,bearingtemperatureofnotmorethan50oC；3.Entiretestingprocessforthesmoothoperation,noise,notlooseningthefixedlink,sealed,notwiththeSixth,packagingandtransportationrequirements1.ProtrudingshaftanditsannexshouldOilerpackaging；2.Handling,liftingmaynotusescrewringsandlugalloftheabovetechnicalrequirementsarenotnecessarilylisted,andsometimesalsobyotherprojects,mainlybythespecificdesignrequirements.Seventh.Technicalrequirements1.Assembly,allpartscleaningwithkerosene,gasolineRollingcleansing,whiletheexistenceofanydebris.Oilisnotpaintedwallcorrosioncoatingstwice；2.Backlashwithleadwiremeshtestofnotlessthan0.16mm,leadwireBacklashmaynotexceedthesmallestofthefourtimes；3.UsedTu-colordottest.Toothhighpointofcontactbynotlessthan40%ofcontactspotsonteethnotlessthan50percent.Canbeusedwhennecessary,grindingorscrapingaftergrindingtoimprovecontacts；4.Bearingaxialclearanceshouldbeadjusted:400.05-0.1mm,550.08-0.15mm；5.Testreducersubdivisionsurface,thecontactsurfaceandseal,oilspillsarenotallowed.Split-Tuallowedtopaintorwaterglasssealandallowtheuseofanyfiller；6.EnginelubricantstothecontentsN100provisionsheight；BelowIintroduceourcountryreductiongearthedevelopmentpresentsituationFirst,thedomesticreductiongearmanybythegeardrive,thewormdriveprimarily,buthasthepowerandtheloadratiogenerallyissmall,orvelocityratiogreatandmechanicalefficiencyexcessivelylowquestion.Moreover,inthematerialqualityandthetechnologicallevelalsohasmanyweakness,thelarge-scalereductiongearquestionisspeciallymoreprominent,theservicelifeisnotlong.Thedomesticuselarge-scalereductiongear(above500kw),manyfromoverseas(forexampleDenmark,Germanyandsoon)importsThe60sstartfewtoothreductiongearsandsoondifferencetransmission,cycloidpingeartransmission,overtonetransmissionwhichproduceshasthevelocityratiotobebig,volumesmall,mechanicalefficiencyhighermerit?.Butitstransmissiontheorylimit,cannottransmittheoversizedpower,thepowerallmustbesmallerthangenerally40kw.Becauseinthetransmissiontheoretically,thetechnologicallevelandthematerialqualityaspecthasnotbrokenthrough,therefore,hasnotbeenablefundamentallytosolvethetransmissionpowerinabigway,thevelocityratiobig,thevolumesmall,theweightlight,mechanicalefficiencyhighertheserequestsbasically.The90sinitialperiod,thehomeappearsthreelinks(gear)thereductiongear,isonekindofoutsidestablemotiongeardrivereductiongear,itmayrealizethegreatvelocityratio,transmissionloadabilityisalsobig.Itsvolumeandtheweightarealllighterthanthedeadaxlespeedreducergear,thestructureissimple,theefficiencyisalsohigh.Becausethisreductiongearthreeaxleparallelstructure,thereforecausedthepower/volume(orweight)theratioisstillsmall.Alsoitsinputaxisandtheoutputshaftontheidenticalspoolthread,thisdonothaveintheusemanyinconveniently.NotonlyBeijingInstituteofTechnologydevelopsinsuccessful"stablemotionspeedreducergear"tohaveoutsidethreelinkreductiongearmerit,butalsohasthebigpower/weight(orvolume)theratio,aswellastheinputaxisandtheoutputshaftonidenticalspoolthreadmerit,isatthedomesticleadingposition.Thehomehastheminoritycollegeandthefactoryandminingenterprisedoestheresearchworktoinstablemotiongeardrivecertainprinciples,haspublishedsomeresearchpaper,inhasdonesomeworkusingthecycloidaltoothcroprotationstablemotionreductiongear.Second,thestablemotionspeedreducergearprincipleofworksynopsis,thestablemotionspeedreducergearisreferstoinacountergeartransmission,agearinthestablemotiongeneratoractuationmeanplaneparallelmotion,meshingthroughtoothprofilebetween,actuatesanothertoothcroprotationdeadaxletodeceleratetherotation,therealizationreductiongearfunction.Thestablemotiongeneratormayusetheparallelogramorganization,eithersineorganizationorcrossslideorganization.Thisachievementusestheparallelogramorganizationtotakethestablemotiongenerator.Thestablemotiongeneratormaybethehypothesizeduseparallelogramorganization,alsomaybetheentityuseparallelogramorganization.Hasthepracticalvaluestablemotiongearmechanismforincountergearorganization,thereforemaydivideintotheinternaltoothcroprotationstablemotionmovementandtheexternaltoothcroprotationstablemotionmovementtwokindofsituations.Outsidethestablemotiongearreductionorganization,itsinternaltoothcroprotationstablemotionmovement,actuatestheexternalgearandmakesthedecelerationrotationoutput.Thisorganizationalsocallsthreelinks(gear)thereductiongear.Asaresultoftheinternaltoothcroprotationstablemotion,twocrankcentersestablishoutsidetheannulargeartoothring,thereforeitssizeisnotcompact,cannotsolvethevolumemajorproblem.?Instablemotiongearreduction,itsexternaltoothcroprotationstablemotionmovement,actuationinternaltoothcroprotationdecelerationrotationoutput.Asaresultoftheexternaltoothcroprotationstablemotion,twocrankcenterscanestablishintheexternalgeartoothring,reducedtheorganizationoverallsizegreatly.Becauseinstablemotiongearmechanismtransmissionefficiencyhigh,volumesmall,inputoutputcoaxialline,thereforebywidespreadapplicationprospect.Third,thisprojecttechnicalcharacteristicandkeytechnologies?1.thisprojecttechnicalcharacteristics,inthisnew"stablemotionspeedreducergear"anddomesticandforeignhadthespeedreducergearcompares,hasthefollowingcharacteristic:(1)velocityratioscopeisbig,getsupfromI=10,mayreachmostgreatlyseveralthousand.Ifmanufacturesthegreatvelocityratiothereductiongear,thendemonstratesthisreductiongearthemerit.(2)transmissionpowerscopeisbig:Andmayconnectabodymanufacturewiththeelectricmotor.(3)structuresimple,thevolumesmall,theweightislight.Reducesabout1/3comparedtotheexistingspeedreducergear.(4)mechanicalefficiencyishigh.95(5)thisreductiongearinputaxisandtheoutputshaftareontheidenticalspoolthread.ThisreductiongearseeTable1withotherreductiongearperformancecomparison.Becauselacksthedata,variousreductiongearspower/loadratiowhichinthetablearrangesinorderismostsuperior.?Table1?Eachkindofreductiongearcomparisonmodelpower(kw)reductiongearratioquality(kg)QI-450?9331.51820ZSY-250?9531.5540NGW-9288.131.5577SEW(Germany)?9028.611300NP-100?10030400Note:NP-100isinthestablemotionspeedreducergear,theSEWreductiongearqualitycontainstheelectricalmachinery.2.thisprojectkeytechnologies?MayknowbyFigure2,in“stablemotionspeedreducergear"isbyannulargearZ2,externalgearZ1andtheparallelogramorganizationcombinationbecomes.Itstransmissionprincipleis:Theelectricalmachineryinputrotarymotion,theexternaltoothcroprotationparallelmigration,itscenterofcirclepathisacircle,makesthedeadaxlerotationwithitmeshingannulargear.Becauseexternaltoothcroprotationparallelmigration,thereforename