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南通職業(yè)大學機械系畢業(yè)論文1中英文翻譯外文原文:ThemachineerrorexaminationMalfunctionexaminationprocessdifferent,buthasalittlefollowingmethodingeneralbecausemalfunctiontypedifferent.One,routineexamination1outsideshowsthequeenwhoexaminesthatfailurehappenedinsystem,carriesoutoutwardappearanceexaminationfirst,seekstheobviousmalfunction,hasthepertinencyfieldtoexaminetherelevantcomponent.Payattentiontoifairswitch,breaker,hotrelayhavetrippingoperationphenomenoninoverallexamination,ifeveryfusiblecut-outphenomenonhavingfusing,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,南通職業(yè)大學機械系畢業(yè)論文2generateheat,electrochemistrycorrodes,thedisconnectionappearsoristocontactnotgood.4pairofcomponentissuingajobinadversecircumstancesisexaminedGetalongtoshaking,gluingdustorthegreasydirteasytobeheated,tobebecomedamp,beaccepted,ageorbecomeinvalideasytomakeacomponentappear.Needtoexaminethatcarefullytotheseplaces.Theventilatingduct,theoutsidesurfaceareespeciallyveryclean,oftenstoreuplargeamountofelectricconductiondustbutwithintheventilatingduct.Somefactoriesarethatthemoduleburnsthroughhavebroughtabouttheentireservosinceironpowderaccumulates,loseseveralhundredsofthousandyuan.Thelocationexaminingthatthecomponentiseasytoderiderespondsto5componentseasytodamagelocationaccordingtoregulationperiodicinspection;Direct-currentservoelectricityelectromechanicalpivotbrush,commutator,weareasytomeasurethefastgeneratorbrush,commutationZiDu,hasbeenvariousproblemeasytoappearlocationand,hasdamagedanelectricmotoreven.Topapertapereaderphotoelectricityreadinunitandopticalelementstransparency,cantwanttheexaminationbeinginprogressspecial.Lightsensorandglowingcomponentageing,canbringaboutreadingthebeltmistake.Thesecomponent,componentrespondto6thecomponentsrespondingtothemaintenancetheregularintervalsandthecomponentexaminationbeinprogressaccordingtoHoyleintimewashwithlubrication.Ifnotcarryingoutamaintenancebeveryeasytobeoutoforder.Someelectricmotorcommutatorsalreadyhavedawdledawayhavingbecomeaditch,therotorblowsin,bringsaboutdischarging,axlebearingsincethebrushispinktolackforlube,theseallarethatnotyettimelyupkeepbringsabout;Theelectricfanlongrangecoolingdowndoesnotrotate,even,theventilatingductblocksup,theelectricfanelectricmotorcannotrotate,theresultelectricmotorburnsthrough;Therotatordoesnotlubricatebecauseofaxlebearing,thehotshot,finalelectricmotorofendcapadoptsababylivehighandlowbringingabout,electricmotorfeverderideseven.南通職業(yè)大學機械系畢業(yè)論文3Thatthemainsinput7mainsinputsareexaminedisexaminedisaveryimportantlink.Needtoexaminethatthemainsinputisregularornotfirst,thisisthemostimportantconditionofregularjobofnumericalcontrolmachinetool,aslongasvoltageisabnormal,bringaboutmalfunctionclosingdownsurely,bringaboutsystemdutychaoseven.Havemanymachinetoolortest-bedhavetestedruninabroad,transporttointhehomelandassemblethedayafertomorrowbeingabnormal,problembeingapowersourcealsooften.Andthendefinitelynotletanaccidentexpandwhenexamination,ensurethatpartcarriesoutpowersourceexaminationreliable,forinstance,reachingloadsdownfirst,measureservicevoltage,everycontrolvoltagevaluealone,1.1therangeexpandingmeasurement.Butthepowersourcemoduleispowerdissipationbig,easytogowrong,greatmajorityconditionpowerfailureistoarousefromtheloads.Needtopayattentiontofusiblecut-outreplacement,becauseofthefusinglineistohaveprotectedastreams,factoronlyrowmustremoveloadshavearousedastreambeforenewfuseinreplacement.Examinethatonesideexaminesthepowersourcecharginglinetimethepowersource,alsoneedtoexaminethatvoltage,issimultaneousbyitsifthenothingpowersourcepartsupplyingelectricitycorrectly,wanttoexaminethatthoseshouldnotgetiftheelectricityparthavealsohadanelectricitytoo,wanttopayattentiontoarrivingathavinggotthatvoltagereallyornottoospecially.Somefactoriesoneequipment24Vand5Vvoltageinsertonthecontrarymayactualanalysispass,24Vgoupnottoaddto5Vcircuitsatall.Gotochangeboard,tochangefilmbeingunnecessarysuch,busy.Two,malfunctionphenomenonanalysislawFaultanalysisisthecharacteristicseekingamalfunction,specialfieldfacerelatedtobyitisverybroad,analysesandthenthecausehappeningaccordingtocatchingtheanalysisbeinginprogress,thelawfindingoutfaulttophenomenon.Somefactoriesmarkorscarleftbyaknife-cutappearonsurfacewhenprocessingagearwheel,thatthepersonnelmachineryiskeptinrepaircertainlyspeaksisanelectricproblem.Onlyhadlookedatmarkorscarleftbyaknife-cut,butcannotfindoutalaw,activefieldofelectricitythinkingworkpersonnelXiuisthereforeelectric,theidenticalcontrolcasingisheldover,stillproducingmarkorscarleftbyaknife-cutfinally.This南通職業(yè)大學機械系畢業(yè)論文4problemismeasureduntilVCMDisinprogresstotheservosystemZ-axis,makingclearjustnowisthatZfeedsfor0,asusual,markorscarleftbyaknife-cuthas,unpacksthechiefaxisqueensincethechiefaxisoscillationarousesmarkorscarleftbyaknife-cut,axlebearingisbrokenbeforediscoveringachiefaxis.Stillhavingafewoverloadswarningisdecentractionsinceclampingthehead,resistanceisverybigwhenbringingaboutdressgrippingstrainmakestheworkpiecechiefaxisturnround.Clampingjawrevolutionorganizationhaslostefficacyorbringingaboutthewearslidingwithnoresult,hasenlargedworkpiecetherebywhenthechiefaxisturnsroundloadmomentoftorsionwaits.Inshort,aphenomenonsappears,requiresthatthepersonnelwhoismaintainedcomposesoutjudgingaccurately.Forinstance,thegearwheelhasmarkorscarleftbyaknife-cutfacetoface,wecancutaflatsurface,takealookathavingmarkorscarleftbyaknife-cutornot,takealookatatoolcarrierthen,againbeinggiventoinifZdirectionhavemovingforward,comethistotestthatbeingabletousemagnetismtodependonaform.Havemarkorscarleftbyaknife-cut,butmagnetismtokeepselfsbodyunmovedbytheform,thishascomposedamotionaspectnotmoving,certainlyhasbeenanotheraspect.Therefore,canaffirmthemarkorscarleftbyaknife-cutbeingtolay
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