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外文翻译--机器故障的检查.doc

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外文翻译--机器故障的检查.doc

南通职业大学机械系毕业论文1中英文翻译外文原文ThemachineerrorexaminationMalfunctionexaminationprocessdifferent,buthasalittlefollowingmethodingeneralbecausemalfunctiontypedifferent.One,routineexamination1outsideshowsthequeenwhoexaminesthatfailurehappenedinsystem,carriesoutoutwardappearanceexaminationfirst,seekstheobviousmalfunction,hasthepertinencyfieldtoexaminetherelevantcomponent.Payattentiontoifairswitch,breaker,hotrelayhavetrippingoperationphenomenoninoverallexamination,ifeveryfusiblecutoutphenomenonhavingfusing,everyifprintingcircuitboardhavecomponentifdamage,break,hotshotphenomenon,connectinglinehaveadisconnection,graftifpiecehavecomingoff.Wantthechoiceexaminingthatswitchlocation,potentiometersettingup,shortcircuitaregoodtobeidenticalwithoriginalstateornottoo.Andpayattentiontoobservingamachinetoolduringtheperiodofthemalfunctionappears,phenomenonsuchasnoisy,vibratingornot,cokesmellofburntfood,abnormalfeverheat.Iftheelectricfanbesides,coolingdownrotatewaitsregularly.Withregardto,whatabnormalphenomenathemalfunctionhappenshavingoccasionally,howoperationpersonnelhandles,needtobeinprogressaskingaboutdetailedly,thisisveryimportanttothecauseanalysingamalfunction.Or2connectioncableandconnectinglinesareexaminedspecificallyforthemalfunctioninconnectionwiththepart,appearanceortheimplementconnectinglineisregularornot,ifwire,cablebreaksalittlebitsimplely,ifelectricresistancevalueenhancewaits.Needtopayattentiontooftenflexiblecableorwireespecially,disconnectsinceacceptingforcepossibility.3theendlinkingupandrelevantspecificallyforthemalfunctionpartsoftheconnectorassemblyexamination,examinethatitspertinentterminalsson,elementconnectorassembly.Butthesecomponentsoxidizeeasytoloosen,南通职业大学机械系毕业论文2generateheat,electrochemistrycorrodes,thedisconnectionappearsoristocontactnotgood.4pairofcomponentissuingajobinadversecircumstancesisexaminedGetalongtoshaking,gluingdustorthegreasydirteasytobeheated,tobebecomedamp,beaccepted,ageorbecomeinvalideasytomakeacomponentappear.Needtoexaminethatcarefullytotheseplaces.Theventilatingduct,theoutsidesurfaceareespeciallyveryclean,oftenstoreuplargeamountofelectricconductiondustbutwithintheventilatingduct.Somefactoriesarethatthemoduleburnsthroughhavebroughtabouttheentireservosinceironpowderaccumulates,loseseveralhundredsofthousandyuan.Thelocationexaminingthatthecomponentiseasytoderiderespondsto5componentseasytodamagelocationaccordingtoregulationperiodicinspectionDirectcurrentservoelectricityelectromechanicalpivotbrush,commutator,weareasytomeasurethefastgeneratorbrush,commutationZiDu,hasbeenvariousproblemeasytoappearlocationand,hasdamagedanelectricmotoreven.Topapertapereaderphotoelectricityreadinunitandopticalelementstransparency,cantwanttheexaminationbeinginprogressspecial.Lightsensorandglowingcomponentageing,canbringaboutreadingthebeltmistake.Thesecomponent,componentrespondto6thecomponentsrespondingtothemaintenancetheregularintervalsandthecomponentexaminationbeinprogressaccordingtoHoyleintimewashwithlubrication.Ifnotcarryingoutamaintenancebeveryeasytobeoutoforder.Someelectricmotorcommutatorsalreadyhavedawdledawayhavingbecomeaditch,therotorblowsin,bringsaboutdischarging,axlebearingsincethebrushispinktolackforlube,theseallarethatnotyettimelyupkeepbringsaboutTheelectricfanlongrangecoolingdowndoesnotrotate,even,theventilatingductblocksup,theelectricfanelectricmotorcannotrotate,theresultelectricmotorburnsthroughTherotatordoesnotlubricatebecauseofaxlebearing,thehotshot,finalelectricmotorofendcapadoptsababylivehighandlowbringingabout,electricmotorfeverderideseven.南通职业大学机械系毕业论文3Thatthemainsinput7mainsinputsareexaminedisexaminedisaveryimportantlink.Needtoexaminethatthemainsinputisregularornotfirst,thisisthemostimportantconditionofregularjobofnumericalcontrolmachinetool,aslongasvoltageisabnormal,bringaboutmalfunctionclosingdownsurely,bringaboutsystemdutychaoseven.Havemanymachinetoolortestbedhavetestedruninabroad,transporttointhehomelandassemblethedayafertomorrowbeingabnormal,problembeingapowersourcealsooften.Andthendefinitelynotletanaccidentexpandwhenexamination,ensurethatpartcarriesoutpowersourceexaminationreliable,forinstance,reachingloadsdownfirst,measureservicevoltage,everycontrolvoltagevaluealone,1.1therangeexpandingmeasurement.Butthepowersourcemoduleispowerdissipationbig,easytogowrong,greatmajorityconditionpowerfailureistoarousefromtheloads.Needtopayattentiontofusiblecutoutreplacement,becauseofthefusinglineistohaveprotectedastreams,factoronlyrowmustremoveloadshavearousedastreambeforenewfuseinreplacement.Examinethatonesideexaminesthepowersourcecharginglinetimethepowersource,alsoneedtoexaminethatvoltage,issimultaneousbyitsifthenothingpowersourcepartsupplyingelectricitycorrectly,wanttoexaminethatthoseshouldnotgetiftheelectricityparthavealsohadanelectricitytoo,wanttopayattentiontoarrivingathavinggotthatvoltagereallyornottoospecially.Somefactoriesoneequipment24Vand5Vvoltageinsertonthecontrarymayactualanalysispass,24Vgoupnottoaddto5Vcircuitsatall.Gotochangeboard,tochangefilmbeingunnecessarysuch,busy.Two,malfunctionphenomenonanalysislawFaultanalysisisthecharacteristicseekingamalfunction,specialfieldfacerelatedtobyitisverybroad,analysesandthenthecausehappeningaccordingtocatchingtheanalysisbeinginprogress,thelawfindingoutfaulttophenomenon.Somefactoriesmarkorscarleftbyaknifecutappearonsurfacewhenprocessingagearwheel,thatthepersonnelmachineryiskeptinrepaircertainlyspeaksisanelectricproblem.Onlyhadlookedatmarkorscarleftbyaknifecut,butcannotfindoutalaw,activefieldofelectricitythinkingworkpersonnelXiuisthereforeelectric,theidenticalcontrolcasingisheldover,stillproducingmarkorscarleftbyaknifecutfinally.This南通职业大学机械系毕业论文4problemismeasureduntilVCMDisinprogresstotheservosystemZaxis,makingclearjustnowisthatZfeedsfor0,asusual,markorscarleftbyaknifecuthas,unpacksthechiefaxisqueensincethechiefaxisoscillationarousesmarkorscarleftbyaknifecut,axlebearingisbrokenbeforediscoveringachiefaxis.Stillhavingafewoverloadswarningisdecentractionsinceclampingthehead,resistanceisverybigwhenbringingaboutdressgrippingstrainmakestheworkpiecechiefaxisturnround.Clampingjawrevolutionorganizationhaslostefficacyorbringingaboutthewearslidingwithnoresult,hasenlargedworkpiecetherebywhenthechiefaxisturnsroundloadmomentoftorsionwaits.Inshort,aphenomenonsappears,requiresthatthepersonnelwhoismaintainedcomposesoutjudgingaccurately.Forinstance,thegearwheelhasmarkorscarleftbyaknifecutfacetoface,wecancutaflatsurface,takealookathavingmarkorscarleftbyaknifecutornot,takealookatatoolcarrierthen,againbeinggiventoinifZdirectionhavemovingforward,comethistotestthatbeingabletousemagnetismtodependonaform.Havemarkorscarleftbyaknifecut,butmagnetismtokeepselfsbodyunmovedbytheform,thishascomposedamotionaspectnotmoving,certainlyhasbeenanotheraspect.Therefore,canaffirmthemarkorscarleftbyaknifecutbeingtolaybaretheblockofwoodlawarousingsincethechiefaxisvibrates.WanttheexperimentexplainingthatthemachinerypersonneldismantlesachiefaxisbutcomposingundertheconditionthisistestedbeingthatelectricitypersonnelknownnumberZaxishasnoVCMD.Asforelectricitypersonnel,therebenoZaxisVCMDhavingalreadyexplainedaproblem.Three,thefaceplydemonstratesandguidinglightsanalyseslawThemalfunctioninformationthatfaceplydisplayprovideshasbeenveryimportant,certainlydiagnosesystemhasprovidedthenumbergivinganalarmandcharactersdisplay,mustanalysetheseinformationdetailedly.Theseinformationisinformationbythefactthatthecomputersimulatesreliability,sciencesthatsystemgivesout.Butthefaceplyfixesguidinglightsorupperguidinglightsofprintingcircuitboardisonlytheinformationprovidingwewith

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