数控技术数控加工中英文对照外文翻译文献.docx
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数控技术数控加工中英文对照外文翻译文献
中英文对照外文翻译文献
(文档含英文原文和中文翻译)
Thedevelopmenttrendofthenumericalcontroltechnology
Haveintroducednumericalcontroltechnologyandthedevelopmenttrendoftheequipmentandthecurrentsituationsofthetechnicaldevelopmentofnumericalcontrolequipmentandindustrializationofourcountryofourtimesbriefly,havediscussedunderthenewenvironmentfurtherdeepenedinourcountry''saccessiontotheWTOandopeningtotheoutsideworldonthisbasis,developtechnologyofnumericalcontrolofourcountryandtheimportanceoftheinformation-basedlevelofmanufacturingindustryofourcountryandinternationalcompetitivenessequips,improves,andhasputforwardtechnologyofnumericalcontrolofourcountryandsomeviewsequippedofdevelopingfromtwoaspectsofstrategyandtactics.
Theengineeringlevelofequipmentindustryandmodernizedintensityaredeterminingthelevelofthewholenationaleconomyandmodernizedintensity,numericalcontroltechnologyandequip,developnewdevelopingnewhigh-techindustryandmostadvancedindustryTocanmaketechnologyandbasicequipmentmost(nationaldefenseindustryindustries,suchasinformationtechnologyandtheirindustry,biotechnology,industry,aviation,spaceflight,etc.).Marxhaseversaid"thedifferencesofdifferenteconomictimes,donotlieinwhatisproduced,lieinhowproduce,withwhatmeansoflaborproduce".Manufacturingtechnologyandequippingthemostbasicmeansofproductionthatarethatthemankindproducedtheactivity,andnumericalcontroltechnologytoequipmostcentraltechnology.Nowadaysthemanufacturingindustryallaroundtheworldadoptsthetechnologyofnumericalcontrolextensively;inordertoimprovemanufacturingcapacityandlevel,improvetheadaptivecapacityandcompetitivepowertothechangeablemarketofthetrends.Inadditioneveryindustriallydevelopedcountryintheworldalsoclassifiesthetechnologyandnumericalcontrolequipmentofnumericalcontrolasthestrategicmaterialsofthecountry,notmerelytakethegreatmeasuretodevelopone''sownnumericalcontroltechnologyandindustry,andimplementblockadingandrestrictivepolicytoourcountryin"high-grade,precisionandadvanced"keytechnologyandequipmentofnumericalcontrol.Inaword,developtakingtechnologyofnumericalcontrolasthecoreadvancedmanufacturingtechnologybecomeworldalldevelopedcountry;accelerateeconomicdevelopmentalreadyinamorecost-effectivemanner,importantroutetoimprovethecomprehensivenationalstrengthandnationalposition.
Developmenttrendofanumericalcontroltechnology
Ahigh-speed,highfinishmachiningtechnologyandnewtrendequipped
Efficiency,qualityaresubjectsoftheadvancedmanufacturingtechnology.Atahighspeed,highfinishmachiningtechnologycanraisetheefficiencygreatly,qualityandgradetoraiseproduct,shortenproductioncycleandimprovethecompetitivepowerofmarket.Japancarrytechnologicalresearchassociationclassifytheirasoneofthe5loudmodernmanufacturingtechnologiesfirstforthisreason,learn(CIRP)toconfirmitasthecentreinthe21stcenturytostudyoneofthedirectionsininternationalproductionengineering.Inthefieldofcarindustry,produce40secondwhenbeatsuchasproductionof300,000/vehicleperyear,andmanyvarietyprocessitiscarthatequiponeofthekeyproblemsthatmustbesolved;Inthefieldsofaviationandaerospaceindustry,itsprocessing''ssparepartsaremostlythethinwallandthinmuscle,rigidityverybad,materialaluminumoraluminumalloy,inhightocutpaceandcutstrengthveryunderthelittlesituationonly,couldprocessthesemuscles,walls.Adoptlarge-scalewholealuminiumalloyblankmethodof"payempty"makethewingrecently,large-scalepartssuchasthefuselage,etc.cometosubstitutealotofpartstoassemblethroughnumerousrivet,screwandotherconnectionways,maketheintensity,rigidityanddependabilityofthecomponentimproved.Alltheserequirementforprocessingandequippingandproposinghigh-speed,highandpreciseandhighflexibility.
Inmachiningaccuracy,thepast10years,ordinaryprogressionaccuseofmachiningaccuracyoflatheraiseto5μm,from3-5μmaccurategradesofmachiningcenterfrom10μmalready,improveto1-1.5μm,andtheultraprecisionmachiningaccuracyhasalreadybeguntoenternanometer(0.01μm)ly.Independability,MTBFvalueoftheforeignnumericalcontroldevicehasalreadyreachedabove6000h,MTBFvalueoftheservosystemreachesabove30000h,demonstrateveryhighdependability.Forrealizeatahighspeed,highfinishmachining,relatedtoitfunctionpartifelectricmainshaft,straightlineelectricalmachinerygetfastdevelopment,theapplicationisfurtherexpanded.
Intellectualizations,openstyle,thenetworkturnsintoforthecontemporarynumericalcontrolsystemdevelopmentmainlyhastens
The21stcenturynumericalcontrolequipmentswillbehascertainintellectualizedthesystem,theintellectualizedcontentincludinginnumericalcontrolsystemeachaspect:
Inordertopursuetheprocessingefficiencyandtheprocessingqualityaspectintellectualization,likeprocessingprocessadaptivecontrol,craftparameterautomaticproduction;Inordertoenhancetheactuationperformanceandtheuseconnectionconvenientintellectualization,likethefeed-forwardcontrol,theelectricalmachineryparameterauto-adaptedoperation,theautomaticdiagnosisloadautomaticdesignationmodel,isautomaticentiregrades;Simplificationprogramming,simplificationoperationaspectintellectualization,likeintellectualizedautomaticprogramming,intellectualizedman-machinecontactsurfaceandsoon;Alsohastheintelligencetodiagnose,theintelligentmonitoringaspectcontent,theconveniencesystemdiagnosisandtheserviceandsoon
Inordertosolvethetraditionalnumericalcontrolsystemsealandthenumericalcontrolapplicationsoftwareindustryproductionexistencequestion.Atpresentmanycountriesconducttheresearchtotheopenstylenumericalcontrolsystem,likeUS''SNGC(TheNextGenerationWork-Station/MachineControl),EuropeanEconomicCommunity''sOSACA(OpenSystemArchitectureforControlwithinAutomationSystems),Japan''sOSEC(OpenSystemEnvironmentforController),China''sONC(OpenNumericalControlSystem)andsoon.Thenumericalcontrolsystemwillopenalreadybecomesthenumericalcontrolsystemroadofthefuture.Theso-calledopenstylenumericalcontrolsystemisthenumericalcontrolsystemdevelopmentmayintheunifiedmovementplatform,facetheenginebedfactoryandtheend-user,throughthechange,theincreaseorthetailorstructureobject(numericalcontrolfunction),formstheseriation,andmayconvenientlyintegratesuser''sspecialapplicationandthetechnicalknackinthecontrolsystem,thefastrealizationdifferentvariety,thedifferentscaleopenstylenumericalcontrolsystem,formshasthebrightindividualityfamousbrandgoods.Atpresenttheopenstylenumericalcontrolsystemsystemstructurestandard,thecorrespondencestandard,thedispositionstandard,themovementplatform,thenumericalcontrolsystemfunctionstorehouseaswellasthenumericalcontrolsystemfunctionsoftwaredevelopmentkitandsoonisthecurrentresearchcore
Takesthenewtechnicalstandard,thestandardestablishment
Aboutnumericalcontrolsystemdesigndevelopmentgauge
Asnotedpreviously,therearebettercommonability,flexibility,adaptability,expandingintheopennumericalcontrolsystem,countriessuchasU.S.A.,EuropeanCommunityandJapan,etc.implementthestrategicdevelopmentplanoneafteranother,carryonresearchandformulationofthesystematicnormofstructuralnumericalcontroloftheopensystem(OMAC,OSACA,OSEC),3ofworldheavyeconomycarryonthesamescienceplanandstandardizeformulationnearlyinashorttimemost,haveindicatedanewarrivalofperiodofchangeofthetechnologyofnumericalcontrol.OurcountrystartedresearchandformulationwhichstandardizedtheframeofONCnumericalcontrolsystemofChinatooin2000.
Aboutthenumericalcontrolstandard
Thenumericalcontrolstandardisakindoftrendofinformation-baseddevelopmentofmanufacturingindustry.Numericalcontroltechnologyinformationexchangeof50yearborn,tobasedonISO6983standard,adoptG,Mcodedescribeshowprocesses,itsessentialcharacteristicfacestheprocessingcourse,obviously,hecan''tmeetdemandsofhigh-speeddevelopmentofthetechnologyofmodernnumericalcontrolmoreandmorealready.Forthisreason,studyingandmakingakindofnewCNCsystemstandardISO14649(STEP-NC)intheworld,itspurposeisofferingakindofneutralmechanismnotdependingontheconcretesystem,candescribetheunifieddatamodelinwholelifespanoftheproducts,thusrealizethewholemanufactureprocess,andeventhestandardizationofeachindustrialfieldproductinformation.
TheappearanceofSTEP-NCmaybearevolutionofthetechnicalfieldofthenumericalcontrol,ondevelopmentandeventhewholemanufacturingindustryofthetechnologyofnumericalcontrol,willexertafar-reachinginfluence.Firstofall,STEP-NCputsforwardakindofbrand-newmanufactureidea,inthetraditionalmanufactureidea,NCprocessestheprocedurestoallconcentrateonsinglecomputer.Underthenewstandard,NCprocedurecanbedispersedonInternet,thisisexactlyadirectionofopen,networkeddevelopmentoftechnologyofnumericalcontrol.Secondly,STEP-NCnumericalcontrolsystemalsocanreduce,process(about75%)drawing,processprocedureworkout(about35%)timeandprocess(about50%)timegreatly.
Atpresent,American-European