数控技术 外文翻译 外文文献 英文文献 数控技术的发展与维修.docx

数控技术 外文翻译 外文文献 英文文献 数控技术的发展与维修.docx

《数控技术 外文翻译 外文文献 英文文献 数控技术的发展与维修.docx》由会员分享，可在线阅读，更多相关《数控技术 外文翻译 外文文献 英文文献 数控技术的发展与维修.docx（13页珍藏版）》请在冰点文库上搜索。

数控技术外文翻译外文文献英文文献数控技术的发展与维修

DevelopmentandmaintenanceofCNCtechnology

Numericalcontroltechnologyandequipmentisthedevelopmentofnewhigh-techindustryandcutting-edgeenablingtechnology,industryandthemostbasicequipment.Theworldinformationindustry,biologicalindustry,aviation,aerospaceandotherdefenseindustrywidelyusednumericaltechniquestoimprovemanufacturingcapacityandlevel,toimprovetheadaptabilityofthemarketandcompetitiveness.IndustrialcountriesandCNCnumericalcontroltechnologyandequipmentwillalsobelistedascountriesofstrategicmaterials,notonlytodeveloptheirownnumericalcontroltechnologyandindustry,andin"sophisticated"technologyandequipment,numericalcontrolkeyaspectsofthepolicyofclosuresandrestrictions.Therefore,effortstodevelopadvancednumericalcontroltechnologyasthecoremanufacturingtechnologyhasbecometheworld'sdevelopedcountriestoaccelerateeconomicdevelopment,enhancethecomprehensivenationalstrengthandanimportantwaytostatehood.

PartI:

thedevelopmentofCNCmachinetoolstrendsinindividual

1.Highspeed,highaccuracy,highreliability

Highspeed:

Toimprovethespeedandincreasefeedspindlespeed.

Highprecision:

theprecisionfrommicrontosub-micronlevel,andeventhenano-level（highreliability:

thereliabilityofnumericalcontrolsystemgenerallyhigherthanthereliabilityofnumericalcontrolequipmentmorethananorderofmagnitude,butnotthehigherthebetterreliabilitybecausethegoodsbythecostperformanceconstraints.

2.Composite

CompositefunctionCNCmachinetooldevelopment,itscoreisinasinglemachinetocompletetheturning,milling,drilling,tapping,reamingandreamingandotheroperatingprocedures,therebyincreasingtheefficiencyandprecisionmachinetoolstoimproveproductionflexibility.

3.Intelligent

Intelligentcontentincludedinallaspectsofthenumericalcontrolsystem:

thepursuitofprocessingefficiencyandprocessingqualityofintelligence;toimprovetheperformanceandtheuseofconvenientconnectionsandotheraspectsofintelligence;simplifyprogramming,simplifyingoperationalintelligence;alsoliketheintelligentautomaticprogramming,intelligentman-machineinterface,aswellasintelligentdiagnostics,intelligentmonitoringandotheraspects,tofacilitatesystemdiagnosticsandmaintenance.

4.Flexible,integrated

TheworldofCNCmachinetoolstothedevelopmenttrendofflexibleautomationsystemsare:

fromthepoint（CNCsingle,compositemachiningcentersandCNCmachinetools）,line（FMC,FMS,FTL,FML）tothesurface（SectionworkshopindependentmanufacturingislandFA）,body（CIMS,distributednetworkintegratedmanufacturingsystem）direction,theothertofocusonappliedandeconomicdirection.Flexibleautomationtechnologyistheindustrytoadapttodynamicmarketdemandsandquicklyupdatetheprimarymeansofproductisthemaintrendofnationalmanufacturingindustryisthebasisforthefieldofadvancedmanufacturingtechnology.

Second,personalizationistheadaptabilityofthemarkettrends

Today'smarket,graduallyformedthepatternofinternationalcooperation,theproductsbecomingmorecompetitive,efficientandaccurateprocessingoftheescalatingdemandmeans,theuser'sindividualrequirementsbecomeincreasinglystrong,professional,specialization,moreandmorehigh-techmachinetoolsbytheusersofallages.

Third,theopenarchitecturetrendis

ThecoreofanewgenerationofCNCsystemdevelopmentisopen.Opensoftwareplatformandhardwareplatformsareopensystems,modular,hierarchicalstructure,andthroughouttheformtoprovideaunifiedapplicationinterface.

CNCsystemtoaddresstheclosureofthetraditionalCNCapplicationsandindustrialproductionproblems.Atpresent,manycountriesofopenCNCsystem,CNCsystemhasbecomeanopennumericalcontrolsystemofthefutureoftheroad.Theopennumericalcontrolsystemarchitecturespecification,communicationspecifications,configurationspecifications,operatingplatform,functionlibrariesandCNCnumericalcontrolsystemsoftwaredevelopmenttools,systemfunctionisthecoreofthecurrentstudy.Networknumericalcontrolequipmentisnearlytwoyearsofanewfocus.NCnetworkequipmentwillgreatlysatisfytheproductionlines,manufacturingsystems,manufacturinginformationintegrationneedsofenterprises,butalsoachievenewmanufacturingmodel,suchasagilemanufacturing,virtualenterprises,globalmanufacturingthebaseunit.Somewell-knownathomeandabroad,andCNCCNCmachinetoolsmanufacturingcompanyin

PartII:

MachineMaintenance

CNCmachinetoolsiselectronictechnology,measurementtechnology,automationtechnology,semiconductortechnology,computertechnologyandelectricaltechnology,andintegratedsetofautomationequipment,highprecision,highefficiencyandhighflexibility.CNCmachinetoolsisaprocesscontrolequipmentandaskedhiminreal-timecontroloftheaccuracyofeverymomentofwork,anypartofthefaultandfailure,sothatthemachinewillshutdown,resultinginproductionstoppages,whichseriouslyaffectedandrestrictedtheproductionefficiency.CNCmachinetoolsinmanyindustriestoworkthedeviceiscritical,ifnotafterafailureinitsmaintenanceandtroubleshootingtime,itwillcausegreatereconomiclosses.Therefore,theprinciplethatcomplexnumericalcontrolsystem,structure,maintenanceofsophisticatedequipmentisnecessary.CNCmachinetoolstoenhancefaultdiagnosisandmaintenanceofpower,canimprovethereliabilityofCNCmachinetools,CNCmachinetoolsisconducivetothepromotionanduse.

CNCmachinetoolsisamechanical,electrical,hydraulic,gascombinationofcomplexequipment,thoughthereasonsforfailurevary,butthefailureoccurred,thegeneralideaofthestepsarethesame.Fails,

SpindlestartbelowtostopimmediatelyafterthefaultdiagnosisofCNCmachinetoolsasanexamplethegeneralprocess.

First,thefault-siteinvestigation.Thesurveycontentincludes1,2typesoffailure,thefailurefrequencyof3,4,externalconditions,theoperatingconditions5,6,machineconditions,thefunctioningof7,wiringbetweenmachinetoolsandsystems8,CNCequipmentvisualinspection.Afteraninvestigation,suchfailureisspindleclassfailure,onlyonce,outsideofallnormal,theoperatorofaboottoreflectthissituation.

Second,thefaultinformationcollation,analysis.Forsomesimplefault,becausenotalotoftime,themethodcanbeusedformoflogicalreasoning,analysis,identificationandtroubleshooting.Afterafailedon-siteinvestigationforseveralreasonswesuspectthatthesystemoutputpulse①②driveisnotenoughtimetomovethestatelinetocontrolthespindlecomponents③④damagetothespindlemotorshort-circuit,causingthespindlethermalrelayprotection⑤notwithself-controllooplockcircuits,andtheparameterissettopulsesignaloutput,sothatthespindlecannotoperatenormally.Identifypossiblereasonstoruleoutonebyone.

Third,conductfaultdiagnosisandtroubleshooting.

Diagnosisusuallyfollowsthefollowingprinciples:

1,afterthefirstoutsideinside.ReliablelineofmodernCNCsystemincreasinglyhighfailurerateofCNCsystemitselflessandless,andmostarenon-occurrenceoffailurecausesthesystemitself.TheCNCmachineisamechanical,hydraulic,electricalasoneofthetools,theoccurrenceofthefaultwillbereflectedbythesethreecomprehensive,maintenancepersonnelshouldbefromoutsidetoinsideonebyoneinvestigationtoavoidarbitraryunsealed,demolition,otherwiseexpandthemalfunction,sothatthelossofprecisionmachinetools,slowperformance,outsidethesystemdetectedthefaultisduetoopenonebyone,hydrauliccomponents,pneumaticcomponents,electricalactuators,mechanicaldevicescausedproblems.2,thefirstaftertheelectricalmachinery.Ingeneral,themechanicalfailureeasiertofind,andnumericalcontrolsystemandelectricalfaultdiagnosismoredifficult,beforethetroubleshootingtoruleoutmechanicalfailureofthefirst3,afterthefirststaticdynamic.Poweroffthemachinefirst,quiescentstate,throughunderstanding,observation,testing,analysis,confirmthepowerfailurewillnotresultinexpansionoftheincidentonlyafterthepowertothemachine,runthestate,thedynamicofobservation,inspectionandtesting,tofindfault.Whileafterthedevastatingpowerfailure,youmustfirstruleoutthedanger,beforeelectricity.4,afterthefirstsimpleandcomplex.Whenmultiplefailuresareintertwined,andsometimesimpossibletostartwith,weshouldfirstsolvetheproblemeasily,thensolvethedifficultproblem,oftenasimpleproblemtosolve,thedifficultyoftheproblemmayalsobecomeeasier.

CNCmachinetoolsinthefaultdetectionprocess,shouldmakefulluseofnumericalcontrolsystemself-diagnosticfeaturestobejudged,butalsoflexibilityintheuseofsomecommontroubleshootingmethods.Troubleshootingcommonmethodsare:

1.Routineexaminationmethod

Routineexaminationmethodismainlyofhands,eyes,ears,noseandotherorgansofthefaultoccurrenceofvariouslight,sound,smellandabnormalobservationsandcarefullookateverysystem,followthe"firstpostoutsideof"theprincipleoffaultdiagnosisbylooking,listening,smelling,asking,moldandsoon,fromoutsidetoinsideonebyonecheck,thefaultcanoftenbenarroweddowntoamoduleoraprintedcircuitboard.Thisrequiresmaintenancepersonnelhaveawealthofpracticalexperience,tothewidermultidisciplinaryandcomprehensiveknowledgeoftheabilitytojudge.

2.Self-diagnosticfunctionmethod

ModernCNCsystemhasyettoac