英文文献数控技术的发展趋势

Thedevelopmenttrendofthenumericalcontroltechnology Summary: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.Numericalcontroltechnologytogoontechnologythatcontrolwithdigitalinformationtomechanicalmovementandworkingcourse,numericalcontrolequipmentwhetherrepresentedbytechnologyofnumericalcontrolnewtechnologymakeindustryandnewdevelopinginfiltrationelectromechanicsintegratedproductthatformofmanufacturingindustrytotradition,i.e.whatiscalleddigitizationequip,itstechnologicalrangecoversalotoffields:(1)Mechanicalmanufacturingtechnology;(2)Informationprocessing,processing,transmissiontechnology;(3)Automaticcontroltechnology;(4)Servodrivetechnology;(5)Transducertechnology;(6)Softwareengineering,etc..DevelopmenttrendofanumericalcontroltechnologyTheapplicationofthetechnologyofnumericalcontrolhasnotonlybroughttherevolutionarychangetotraditionalmanufacturingindustry,makethemanufacturingindustrybecometheindustrializedsymbol,andwiththeconstantdevelopmentofthetechnologyofnumericalcontrolandenlargementofapplication,thedevelopmentofhesomeimportanttrades(IT,car,lightindustry,medicaltreatment,etc.)tothenationaleconomyandthepeople'slivelihoodplaysamoreandmoreimportantrole,becausethesetradenecessarydigitizationthatequippedhasalreadybeenthemaintrendofmoderndevelopment.Accordingtothetechnologyofnumericalcontrolandequipmentdevelopmenttrendintheworldatpresent,itsmainresearchfocushasthefollowingseveralrespect[1~4].Ahigh-speed,highfinishmachiningtechnologyandnewtrendequippedEfficiency,qualityaresubjectsoftheadvancedmanufacturingtechnology.Atahighspeed,highfinishmachiningtechnologycanraisetheefficiencygreatly,qualityandgradetoraiseproduct,shortenproductioncycleandimprovethecompetitivepowerofmarket.Japancarrytechnologicalresearchassociationclassifytheirasoneofthe5loudmodernmanufacturingtechnologiesfirstforthisreason,learn(CIRP)toconfirmitasthecentreinthe21stcenturytostudyoneofthedirectionsininternationalproductionengineering.Inthefieldofcarindustry,produce40secondwhenbeatsuchasproductionof300,000/vehicleperyear,andmanyvarietyprocessitiscarthatequiponeofthekeyproblemsthatmustbesolved;Inthefieldsofaviationandaerospaceindustry,itsprocessing'ssparepartsaremostlythethinwallandthinmuscle,rigidityverybad,materialaluminiumoraluminiumalloy,inhightocutpaceandcutstrengthveryunderthelittlesituationonly,couldprocessthesemuscles,walls.Adoptlarge-scalewholealuminiumalloyblankmethodof"payempty"makethewingrecently,large-scalepartssuchasthefuselage,etosubstitutealotofpartstoassemblethroughnumerousrivet,screwandotherconnectionways,maketheintensity,rigidityanddependabilityofthecomponentimproved.Alltheserequirementforprocessingandequippingandproposinghigh-speed,highandpreciseandhighflexibility.AccordingtoEMOexhibitionsituation,thehigh-speedmachiningcenterentersforthepacetocanreach80m/min,evenhigh,airtransportcompetentpacecanreach100m/minabout.Alotofcarfactoriesintheworldatpresent,includingShanghaiGeneralMotorsCorporationofourcountry,adopt,substituteandmakethelatheupwithhigh-speedmachiningcenterproductionlinepartthatmakeupalready.HyperMachlatheofCompany,CINCINNATIofU.S.A.,enter,givepacetobemostloudtoreach60m/min,itis100m/mintobefast,accelerationreach2g,therotationalspeedofthemainshafthasalreadyreached60000r/min.Processingathinwallofplaneparts,spend30minonly,andsamepartgeneralatahighspeedmillingmachineprocessandtake3h,processandneed8hwithordinarymillingmachine;ThepacesandaccelerationofmainshaftofdualmainshaftlathesofGermanyDMGCompanyreach12*separately!000r/mmand1g.Inmachiningaccuracy,inthepast10years,ordinaryprogressionhasaccusedofthemachiningaccuracyofthelathetoalreadyimprovefrom10μmto5μm,accurategradesofmachiningcenterfrom3-5μm,raiseto1-1.5μm,andultraprecisionmachiningaccuracybegin,entergettingnanometeralready.Inmachiningaccuracy,thepast10years,ordinaryprogressionaccuseofmachiningaccuracyoflatheraiseto5μm,from3-5μmaccurategradesofmachiningcenterfrom10μmalready,improveto1-1.5μm,andtheultraprecisionmachiningaccuracyhasalreadybeguntoenternanometer(0.01μm)ly.Independability,MTBFvalueoftheforeignnumericalcontroldevicehasalreadyreachedabove6000h,MTBFvalueoftheservosystemreachesabove30000h,demonstrateveryhighdependability.Forrealizeatahighspeed,highfinishmachining,relatedtoitfunctionpartifelectricmainshaft,straightlineelectricalmachinerygetfastdevelopment,theapplicationisfurtherexpanded.5axleslinkandprocessandcompoundandprocessthelathetodevelopfastAdopt5axlelink,tothree-dimensionalcurvedsurfaceprocessingofpart,cancutwiththebestgeometircformofthecutter,notonlyhighlypolished,butalsoefficiencyisimprovedbyalargemargin.Itisgenerallyacknowledged,a5axlegearbedsofefficiencycanequal23axlegearbeds,usecubicnitrogenboronwaitultrahardmaterialmillingcuttergoonatahighspeedmilling,sharpening,quenchinghardsteelatthepart,5axlelink,processconstant3axlelink,process,giveplaytohighbenefit.Butgooverbecause5axleslinkthenumericalcontrolsystem,complicatedreasonofhostcomputerstructure,priceitslinknumericalcontroltobelatheseveraltimeshigherthan3axle,inadditionprogrammingtechnologicaldifficultyrelativelyheavy,haverestricted5axlegearbedsofdevelopment.Atpresentbecauseofelectricappearanceofmainshaft,make,realize5axlecompoundmainshafthairstructureprocessedtolinkgreatlysimplify,itmakedifficultyandcostreducebyalargemargin,numericalcontrolpricedisparityofsystemsshrink.Sopromotecompoundmainshaftheadtype5axlegearbedandcompounddevelopmenttoprocesslathe(processthelatheincluding5).AtEMOexhibition,newJapanese5ofworkermachineprocesslatheadoptcompoundmainshafthair,canrealize4processingandarbitraryprocessingofangleofverticalplane,make5processand5axlesareprocessedandcanberealizedatthesamelathe,canalsorealizetheinclinedplaneandpourtheprocessingoftheholeofawls.Company,DMGofGermany,exhibitDMUVoutionseriesmachiningcenter,canput,insert,down5processand5axeslinkandprocessinone,canbecontrolledbyCNCsystemorCAD/CAMellectualizations,openstyle,thenetworkturnsintoforthecontemporarynumericalcontrolsystemdevelopmentmainlyhastensThe21stcenturynumericalcontrolequipmentswillbehascertainintellectualizedthesystem,theintellectualizedcontentincludinginnumericalcontrolsystemeachaspect:Inordertopursuetheprocessingefficiencyandtheprocessingqualityaspectintellectualization,likeprocessingprocessadaptivecontrol,craftparameterautomaticproduction;Inordertoenhancetheactuationperformanceandtheuseconnectionconvenientintellectualization,likethefeed-forwardcontrol,theelectricalmachineryparameterauto-adaptedoperation,theautomaticdiagnosisloadautomaticdesignationmodel,isautomaticentiregrades;Simplificationprogramming,simplificationoperationaspectintellectualization,likeintellectualizedautomaticprogramming,intellectualizedman-machinecontactsurfaceandsoon;Alsohastheintelligencetodiagnose,theintelligentmonitoringaspectcontent,theconveniencesystemdiagnosisandtheserviceandsoonInordertosolvethetraditionalnumericalcontrolsystemsealandthenumericalcontrolapplicationsoftwareindustryproductionexistencequestion.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,thenumericalcontrolsystemfunctionstorehouseaswellasthenumericalcontrolsystemfunctionsoftwaredevelopmentkitandsoonisthecurrentresearchcoreThenetworknumericalcontrolequipmentisanearlytwoyearinternationalfamousenginebedsexpositionsnewluminescentspot.Thenumericalcontrolequipmentnetworkenormouslywillsatisfytheproductionline,themanufacturesystem,themanufactureenterprisetotheinformationintegrationdemand,alsowillberealizesnewmanufacturepatternlikeagilemanufacture,hypothesizedenterprise,theglobalmanufacturefoundationunit.Thedomesticandforeignsomefamousnumericalcontrolsenginebedandthenumericalcontrolsystemmanufacturecompanyhasallpromotedtherelatednewconceptandtheprototypeinthenearlytwoyears,ifunfoldsinEMO,JapaneseShanQimaMazakthecompanydisplays"CyberProductionCenter"(intelligenceproductioncontrolcenter,iscalledCPC);JapanisOkumatheenginebedcompanytodisplay"ITplaza"(informationtechnologysquare,iscalledtheITsquare);GermanSimens(Siemens)thecompanydisplaysOpenManufacturingEnvironment(openingmanufactureenvironment,iscalledOME)andsoon,hadreflectedthenumericalcontrolenginebedprocessingthetendencywhichdevelopstothenetworkdirection1.4takesthenewtechnicalstandard,thestandardestablishment1.4.1aboutnumericalcontrolsystemdesigndevelopmentgaugeAsnotedpreviously,therearebettercommonability,flexibility,adaptability,expandingintheopennumericalcontrolsystem,countriessuchasU.S.A.,EuropeanCommunityandJapan,etc.implementthestrategicdevelopmentplanoneafteranother,carryonresearchandformulationofthesystematicnormofstructuralnumericalcontroloftheopensystem(OMAC,OSACA,OSEC),3ofworldheavyeconomycarryonthesamescienceplanandstandardizeformulationnearlyinashorttimemost,haveindicatedanewarrivalofperiodofchangeofthetechnologyofnumericalcontrol.OurcountrystartedresearchandformulationwhichstandardizedtheframeofONCnumericalcontrolsystemofChinatooin.1.4.2AboutthenumericalcontrolstandardThenumericalcontrolstandardisakindoftrendofinformation-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-EuropeancountriespaymuchattentiontotheresearchofSTEP-NC,EuropeinitiatesIMSplan(1999.1.1-.12.3)ofSTEP-NC.20CAD/CAM/CAPP/CNCusers,manufacturersandacademicorganizationsfromEuropeandJapanparticipatedinthisplan.STEPToolsCompanyofU.S.A.isadeveloperofthedatainterchangesoftwareofmanufacturingindustryintheglobalrange,hehasalreadydevelopedandaccusedofthesupermodel(SuperModel)ofinformationexchangeofmachinetoolingbycounting,itsgoalistodescribeallprocessingcourseswiththeunifiednorm.SuchnewdatainterchangeformhasalreadybeenverifiedinallocatingtheSIEMENS,FIDIAandEuropeanOSACA-NCnumericalcontrolatpresent.pairsofbasicestimationsoftechnologyandindustrydevelopmentofnumericalcontrolofourcountryThetechnologyofnumericalcontrolofourcountrystartedin1958,thedevelopmentcourseinthepast50yearscanroughlybedividedinto3stages:Thefirststageisfrom1958to1979,i.e.closeddevelopingstage.Inthisstages,technologyofforeigncountriesblockadeandbasicrestrictionoftermsofourcountry,thedevelopmentofthetechnologyofnumericalcontroliscomparativelyslow.During"SixthFive-YearPlanPeriod","theSeventhFive-YearPlanPeriod"ofthecountryinsecondstageandearlierstagein"theEighthFive-YearPlanPeriod",introducetechnology,digestandassimilate,thestageofestablishingthesystemofproductiondomesticizationarisesingtentatively.Atthisstage,becauseofreformandopening-upandnationalattention,andstudytheimprovementofthedevelopmentenvironmentandinternationalenvironment,research,developmentandallmakingconsiderableprogressinproductiondomesticizationoftheproductsofthetechnologyofnumericalcontrolofourcountry.Thethirdstageisthatonthelaterstagein"theEighthFive-YearPlanPeriod"ofthecountryandduringthe"NinthFive-YearPlanPeriod",implementtheresearchofindustrialization,entermarketcompetitionstage.Atthisstage,madesubstantiveprogressinindustrializationofthedomesticnumericalcontrolequipmentofourcountry.In"theNinthFive-YearPlan"latterstage,domesticnumericalcontroldomesticmarketshareoflathereach50%,mixdomesticnumericalcontrolsystem(popular)toupto10%.Reviewthedevelopmentcourseinthepast50yearsoftechnologyofnumericalcontrolofourcountry,especiallypassthebrainstormof4Five-YearPlans,allinallhasmadefollowingachievements.a.Haveestablishthefoundationofthetechnicaldevelopmentofnumericalcontrol,hasbasicallymasteredthetechnologyofmodernnumericalcontrol.Ourcountryknowfromnumericalcontrolsystem,servourge,numericalcontrolhostcomputer,specialplaneandtheirbasicoffittingsbasicallyalreadynow,amongthemmosttechnologyhavealreadypossessedthefoundationthatiscommercializedanddeveloped,sometechnologyhasalready,industrializationcommercialized.a.Haveformedtheindustrialbaseofnumericalcontroltentatively.Intacklingkeyproblemsthefoundationthattheachievementandsometechnologycommercialize,setupthesystematicfactoriesofnumericalcontrolwithproductioncapacityofbatchsuchasnumericalcontrolofCentralChina,spaceflightnumericalcontroletc..ElectricalmachineryplantofLanzhou,abatchofservosystemsandfirstmachinetoolplant,firstmachinetoolplantofJinanofservoelectricalmachineryfactoryandBeijing,etc.severalnumericalcontrolhostcomputerfactoriessuchasthenumericalcontrolinCentralChina.Thesefactorieshavebasicallyformedthenumericalcontrolindustrialbaseofourcountry.b.Havesetupresearchofanumericalcontrol,development,managerialtalent'sbasicteam.Thoughhasmadeconsiderableprogressinresearchanddevelopmentandindustrializationofthetechnologyofnumericalcontrol,butwewillrealizesoberly,theresearchanddevelopmentofthetechnologyofadvancednumericalcontrolofourcountry,thereisgreaterdisparitybetweencurrentsituationandcurrentdemandofourcountryofengineeringlevelespeciallyinindustrialization.Thoughveryfastfromlongitudinaldevelopmenttowatchourcountry,horizontaluntil(contrastwithforeigncountries),theengineeringlevelhasdisparity,thereisdisparitytooindevelopmentspeedinsomeaspects,i.e.thedisparityofengineeringlevelbetweensomehigh-grade,precisionandadvancednumericalcontrolequipmenthasthetendencytoexpand.Watchfromworld,estimateroughlyasfollowsaboutthenumericalcontrolengineeringlevelofourcountryandindustrializationlevel.a.Ontheengineeringlevel,inprobablybackward10-1yearswiththeadvancedlevelinforeigncountries,itisbiggerinhigh-qualityprecisionandsophisticatedtechnology.b.Attheindustrializationlevel,themarketshareislow,thevarietycoveragerateislow,havenotformedthelarge-scaleproductionyet;Functionpartspecializedlevelofproductionandformacompletesetabilitytobelower;Appearancequalityisrelativelypoor;Dependabilityisnothigh,thecommercializedintensityisinsufficient;Notsettingupone'sownbrandeffectyetindomesticnumericalcontrolsystem,usershaveinsufficientconfidence.c.Attheabilityofsustainabledevelopment,tocompetitionnumericalcontrolresearchanddevelopmentoftechnology,engineeredabilityweaker;Numericalcontroltechnologicalapplicationexpandeffortstobebetter;Theresearch,formulationthatrelevantstandardsarenormallagsbehind.Itisanalyzedthatthemainreasonforhavingdisparitydescribedabovehasthefollowingseveralrespect.a.Realizetherespect.Knowtodomesticnumericalcontrolindustryprocessarduousness,complexityandlong-termcharacteristicinsufficiently;Onethatistomarketunstandard,foreignblockadeaddstrangle,system,etc.underestimatewhilebeingdifficult;Itisnotenoughtoanalyzetotechnologicalapplicationlevelandabilityofnumericalcontrolofourcountry.b.System.Paycloseattentiontonumericalcontrolindustrializationmanyintheissue,considernumericalcontrolindustrializationlittleintheissuesyntheticallyintermsofthesystematicone,industrychainintermsoftechnology;Setupintactrelatedsystem,completetraining,servicenetwork,etc.ofhighqualitysupportthesystem.c.Mechanism.Thebadmechanismcausesthebraindrain,restrainingtechnologyandtechnologicalroutefrominnovatingagain,productsinnovation,andhasrestrictedtheeffectiveimplementationofplanning,hasoftenplannedtheideal,implementthedifficulty.d.Technology.Enterprisesareindifferentinautonomousinnovationintechnology,keytechnologyisengineeredandindifferent.Lathestandardlagbehind,levelrelativelylow,numericalcontrolsystemnewstandardstudyenoughly.3strategicthinkinguntiltechnologyandindustrializationofnumericalcontrolofourcountrydevelop3.1StrategicconsiderationOurcountryofstrategicconsiderationmakesthebigcountry,shouldtryhardtoacceptthefrontinsteadofthebacktransformationintheworldindustryshifts,shouldmasterandmakekeytechnologyadvancedly,otherwiseinanewroundofinternationalindustrialstructureadjustment,ofourcountrymanufacturingindustrystepforward"theemptycore".Weregardresource,environment,marketascost,possibilitygottoexchange"assemblethecentre",butnotmasterthestatusofthemanufacturingcenterofkeytechnology,willsoinfluencethedevelopmentprocessofthemodernmanufacturingindustryofourcountryseriously.Weshouldstandintheheightofnationalsecuritystrategypayingattentiontothetechnologyofnumericalcontrolandindustry'squestion,atfirstseenfromsocialsafety,becausemanufacturingindustrywhetherourcountryobtainemploymentmostpopuloustrade,thedevelopmentofmanufacturingindustrynotonlycanimprovethepeople'slivingstandardbutalsocanrelievethepressureofemploymentofourcountry,ensurethestabilityofthesociety;Secondlyseenfromsecurityofnationaldefence,thewesterndevelopedcountryhasclassifiedallthehigh-grade,precisionandadvancednumericalcontrolproductsasthestrategicmaterialsofthecountry,realizeembargoandrestrictiontoourcountry,"Toshibaincident"and"CoxReport"isthebestillustration.3.2DevelopmenttacticsProceedfromtheanglesofthefundamentalrealitiesofthecountryofourcountry,regardthestrategicdemandofthecountryandmarketdemandofthenationaleconomyasthedirection,regardimprovingourcountryandmakingthecomprehensivecompetitivepowerofequippingindustryandindustrializationlevelasthegoal,usethesystematicmethod,beabletochoosethesupporttechnologythattheinitialourcountrymakesthekeytechnologyupgradedindevelopmentofequippingindustryandsupportsthedevelopmentofindustrializationin21stcenturyofleadingfactor,theabilitytosupplythenecessarytechnologyrealizesmakingthejumptypedevelopmentoftheequippingindustryasthecontentofresearchanddevelopment.Emphasizemarketdemandisadirection,taketerminalproductsofnumericalcontrolasthecore,withthecompletemachine(Suchasthenumericalcontrollathehavingalargecapacityandawiderange,millingmachine,highspeedhighprecisehigh-performancenumericalcontrollathe,modeldigitizedmachinery,keyindustrykeyequipment,etc.)drivenumericalcontroldevelopmentofindustry.SolvethenumericalcontrolsystemandrelevantfunctionspartespeciallyThedependabilityin(digitizedservosystemandelectricalmachinery,electricmainshaftsystemofhighspeedandnewattachmentthatequip,etc.)andproductionscalequestion.Therearenoproductswithouthighdependabilityofscale;Willnothavecheapandproductsrichinthecompetitivenesswithoutscale;Certainly,itisdifficultfinallytohavethedaytoholdupheadthatthereisnoChinesenumericalcontrolequipmentofscale.Inequippingresearchinganddevelopinghigh-grade,precisionandadvancedly,shouldemphasizetheproduction,learningandresearchandclosecombinationofenduser,regard"obtaining,using,selling"asthegoal,tacklekeyproblemsaccordingtothenationalwill,inordertosolvetheneedingbadlyofthecountry.Thetechnologyofnumericalcontrol,emphasizedinnovation,putemphasisonresearchinganddevelopingtechnologyandproductswithindependentintellectualpropertyrightbeforethecompetition,establishthefoundationforthenumericalcontrolindustryofourcountry,sustainabledevelopmentoftheequipmentmanufactureandeventhewholemanufacturingindustry.References:[1]ChinamachinetoolindustrialassociationDevelopmentdepartmentofthetrade.CIMTtour[J].Themanufacturingtechnologyintheworldandmarketofequipment,(3):18-20.[2]Theroofbeamtrainsakingtodeclare,thedistributionishelped.Newtendency[J]ofthetechnicaldevelopmentofthelathe.Themanufacturingtechnologyintheworldandmarketofequipment,(3):21-28.[3]ChinamachinetoolindustrialassociationSystematicbr