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1NUMERICALCONTROLTECHNOLOGYDEVELOPMENTNUMERICALCONTROLSYSTEMDEVELOPBIREFHISTORYANDTRENDTHEFIRSTELECTRONICCOMPUTERINTHEWORLDBORNEDIN1946,THISINDICATESTHEMANKINDHASCREATEDTHETOOLTHATCANSTRENGTHENANDREPLACETHEMENTALLABOURPARTLYIT,ANDMANKINDTHOSETHATCREATETOSTRENGTHENTOOLOFMANUALLABORCOMPAREAMONGAGRICULTURE,INDUSTRIALSOCIETY,THEQUALITATIVELEAPHASARISEN,HASESTABLISHEDTHEFOUNDATIONTHATTHEMANKINDENTERSTHEINFORMATIONINTENSIVESOCIETY6YEARSLATER,NAMELYIN1952,THETECHNOLOGYOFTHECOMPUTERWASAPPLIEDTOTHELATHE,THEFIRSTNUMERICALCONTROLLATHEHASEMERGEDINUSAFROMTHENON,THETRADITIONALLATHEHADPRODUCEDTHECHANGEOFTHEQUALITYINNEARLYHALFACENTURY,NUMERICALCONTROLSYSTEMGOTHROUGHTWOSTAGEANDSIXDEVELOPMENTOFGENERATIONTHESTAGEOFNUMERICALCONTROLNC19521970YEARSTHEOPERATIONOFTHEEARLYCOMPUTERISLOWINSPEED,INFLUENCENOTALSOBIGSCIENTIFICCACULATIONANDDATAPROCESSINGATTHATTIME,BUTCANTMEETTHENEEDSOFREALTIMECONTROLOFTHELATHEPEOPLEHAVETOADOPTTHEDIGITALLOGICALCIRCUITTOPUTUPANDBECOMETHESPECIALPURPOSECOMPUTEROFALATHEASTHENUMERICALCONTROLSYSTEM,KNOWNASTHEHARDWAREANDCONNECTNUMERICALCONTROLHARDWIREDNC,ABBREVIATEASTHENUMERICALCONTROLNCWITHTHEDEVELOPMENTOFCOMPONENTSANDPARTS,DOESTHISSTAGEGOTHROUGHY′£OFTHESIXTHOFTHETWELVEEARTHLYBRANCHESFIRSTGENERATIONIN952ELECTRONTUBE;SECONDGENERATIONIN1959TRANSISTOR;THETHIRDGENERATIONIN1965SMALLSCALEINTEGRATEDCIRCUITTHESTAGEOFNUMERICALCONTROLOFTHECOMPUTERCNC1970NOWBY1970,THESMALLSCALECOMPUTERINDUSTRYINCOMMONUSEHASALREADYAPPEAREDANDPRODUCEDBYBATCHTHENTRANSPLANTITOVERASTHEKEYPARTOFSYSTEMOFNUMERICALCONTROL,ENTERCOMPUTERNUMERICALCONTROLSTAGEFROMNOWONWHETHERDUEINCOMMONUSETWOWORDSOMITCOMPUTERBY1971,INTHEWORLDFORTHEFIRSTTIMETWOCENTRALPARTMOSTOFCOMPUTERCOMPANY,INTELOFUSA,ARITHMETICUNITANDCONTROLLER,ADOPTTHETECHNOLOGYINTERGRATIONOFTHELARGESCALEINTEGRATEDCIRCUITONACHIP,CALLIT2MICROPROCESSORMICROPROCESSOR,CANCALLCENTRALAUTHORITIESPUNISHENTRANCEABBREVIATEASCPUTHEMICROPROCESSORISAPPLIEDTHENUMERICALCONTROLSYSTEMBY1974THISBECAUSEBEINGFUNCTIONTOOSTRONG,MINICOMCONTROLONELATHEABILITYHAVERICHUSEFORCONTROLLINGMANYLATHESATTHATTIME,CALLITTEAMCONTROL,HAVEMORERATIONALECONOMYTHANTHEADOPTIONMICROPROCESSORANDTHEMINICOMPUTERDEPENDABILITYATTHATTIMEWASUNSATISFACTORYEARLYMICROPROCESSORSPEEDANDFUNCTIONALTHOUGHENOUGHHIGH,CANSOLVETHROUGHMANYPROCESSORSTRUCTUREBECAUSETHEMICROPROCESSORISAKEYPARTOFTHEALLPURPOSECOMPUTER,SOSTILLCALLEDTHENUMERICALCONTROLOFTHECOMPUTERBY1990,THEPERFORMANCEOFTHEPCPERSONALCOMPUTER,ISUSEDTOCALLINGTHECOMPUTERATHOMEHASALREADYDEVELOPEDINTOVERYHIGHSTAGE,CANMEETTHEDEMANDWHICHISREGARDEDASTHEKEYPARTOFTHENUMERICALCONTROLSYSTEMTHENUMERICALCONTROLSYSTEMENTEREDTHESTAGEBASEDONPCFROMTHENONINAWORD,THECOMPUTERWENTTHROUGHTHREEGENERATIONSTOOATNUMERICALCONTROLSTAGENAMELYTHEFOURTHGENERATIONIN1970MINICOM;THEFIFTHGENERATIONIN1974THEMICROPROCESSORANDTHESIXTHGENERATIONOF1990BECAUSEOFPCCALLPCBASEDABROADTHEONESTHATWEREALSOWANTEDANDISPOINTEDOUTARE,THOUGHHASALREADYRENAMEDASTHENUMERICALCONTROLOFTHECOMPUTERNAMELYCNCABROAD,ANDOURCOUNTRYISSTILLUSEDTOBEINGCALLEDTHENUMERICALCONTROLNCSOOURDAILYNUMERICALCONTROLTHATSPEAK,HASALREADYREFERREDTOTHENUMERICALCONTROLOFTHECOMPUTERINFACTFUTUREDEVELOPMENTTRENDOFNUMERICALCONTROL131CONTINUETOOPEN,BASEDONPCSIXGENERATIONCUBICMETERTODEVELOPCHARACTERISTICOFENRICHINGONTHEBASISOFOPENING,LOWCOST,HIGHDEPENDABILITY,SOFTWAREANDHARDWARERESOURCETHATPCHASETC,MORESYSTEMATICMANUFACTURERSOFNUMERICALCONTROLWILLGOONTHISROADADOPTPCASFRONTMACHINEOFIT,ISITDEALWITHMANMACHINEINTERFACE,PROGRAMMING,NETWORKCOMMUNICATION,ETCPROBLEMTOCOMEATLEAST,UNDERTAKENTHETASKOFNUMERICALCONTROLBYTHEALREADYEXISTINGSYSTEMTHE3FRIENDLYMANMACHINEINTERFACETHATTHEPCHAS,WILLRUNTHROUGHALLNUMERICALCONTROLSYSTEMSTELECOMMUNICATION,WILLDIAGNOSELONGRANGLYANDMAINTAINMOREGENERALDEVELOPTOHIGHSPEEDANDHIGHACCURACYTHISISMEETINGTHENEEDTHATTHELATHEISDEVELOPEDINTHEHIGHSPEEDANDHIGHACCURACYDIRECTIONDEVELOPTOWARDINTELLECTUALITYWITHTHECONSTANTINFILTRATIONANDDEVELOPMENTINTHEFIELDOFCOMPUTEROFARTIFICIALINTELLIGENCE,THEINTELLIGENTDEGREEOFTHENUMERICALCONTROLSYSTEMWILLBEIMPROVEDCONSTANTLY1USETHEADAPTIVECONTROLTECHNOLOGYNUMERICALCONTROLSYSTEMCANOFTHEDETECTIONPROCEDURESOMEIMPORTANTINFORMATION,ANDADJUSTTHERELEVANTPARAMETERSOFTHESYSTEMAUTOMATICALLY,ACHIEVETHEGOALOFIMPROVINGSYSTEMATICOPERATIONSTATE2INTRODUCEDTOTHEEXPERTSYSTEMANDGUIDEDANDPROCESSEDEXPERIENCEDOPERATORANDEXPERIENCEOFEXPERT,UNIVERSALLAWANDSPECIALLAWOFPROCESSINGDEPOSITSYSTEM,REGARDPARAMETERDATABASEOFTHECRAFTASSUPPORT,SETUPTHEEXPERTSYSTEMWITHARTIFICIALINTELLIGENCE3INTRODUCETHETROUBLEANDDIAGNOSETHEEXPERTSYSTEM4INTELLIGENTDIGITALSERVODRIVECANTHROUGHDISCERNLOADAUTOMATICALLY,ADJUSTPARAMETERAUTOMATICALLY,ISITURGESYSTEMWINTHEBESTOPERATIONTOMAKESECOND,NECESSITY2OFLATHENUMERICALCONTROLTRANSFORMATION1,WATCHTHENECESSITYTRANSFORMEDALITTLELOOKINGFROMMICROCOSMIC,THENUMERICALCONTROLLATHEHASTHEFOLLOWINGANDOUTSTANDINGSUPERIORITYMORETHANTHETRADITIONALLATHE,ANDSUPERIORITYTHECOMEFROMNUMERICALCONTROLMIGHTOFCOMPUTERSYSTEMINCLUDE211CANPROCESSSUCHCOMPLICATEDPARTSASTHECURVECOMINGOUTINTRADITIONALMACHINETOOLING,CURVEDSURFACE,ETCBECAUSECOMPUTERHAVESUPERBOPERATIONABILITY,CANINSTANTANEOUSTOCALCULATEOUTEACHCOORDINATEAXISINSTANTANEOUSAMOUNTOFEXERCISETHATSHOULDMOVEACCURATE,SOCANCOMPOUNDINTOTHECOMPLICATEDCURVEORCURVEDSURFACE212CANREALIZEAUTOMATIONTHATPROCESS,ANDFLEXIBLEAUTOMATION,THUSEFFICIENCYRAISETHANTHETRADITIONALLATHEBY37TIMESBECAUSETHECOMPUTERHASMEMORYANDSTORESABILITY,CANREMEMBERANDSTORETHEPROCEDUREINPUT,THENCARRYOUTAUTOMATICALLYACCORDINGTOTHE4ORDERTHATTHEPROCEDURESTIPULATES,THUSREALIZEAUTOMATIONSOLONGASNUMERICALCONTROLLATHECHANGESAPROCEDURE,CANREALIZETHEAUTOMATIONTHATANOTHERWORKPIECEISPROCESSED,THUSMAKESINGLEPIECEANDPRODUCEAUTOMATIONOFMUSTUSINGINSMALLBATCHES,SOKNOWNASREALIZINGFLEXIBLEAUTOMATION213THEPRECISIONOF3PROCESSINGPARTSISHIGH,THESIZEISDISPERSEDDEGREESMALL,ITISEASYTOENABLEASSEMBLING,NOLONGERNEEDTOREPAIRTHEDAMAGEDPARTSOFAMACHINEANDSUPPLYREPLACEMENTS214CONCENTRATIONTHATCANREALIZEMANYPROCESSES,REDUCETHEFREQUENTLYCARRYINGAMONGTHELATHESOFPART215HASSUCHMANYKINDSOFSELFCONTAINMENTFUNCTIONSASAUTOALARM,CONTROLLING,AUTOMATICCOMPENSATIONAUTOMATICALLY,ETC,THEREFORECANREALIZENOBODYGUARDSANDPROCESSESFORALONGTIME216ISBYTHEABOVEFIVESPINOFFADVANTAGESFORINSTANCEHAVEREDUCEWORKERSLABOURINTENSITY,HASSAVEDTHEWORKFORCEAPERSONCANGUARDMANYLATHES,REDUCEFROCKS,SHORTENTRIALPRODUCTIONOFNEWPRODUCTSCYCLEANDPRODUCTIONCYCLE,CANMAKEFASTREACTION,ETCTOMARKETDEMANDTHEABOVESUPERIORITYCOULDNOTBEIMAGINEDBYFOREFATHERS,WASANEXTREMELYGREATBREAKTHROUGHINADDITION,THENUMERICALCONTROLOFTHELATHEPURSUESFMCFOUNDATIONINSUCHENTERPRISESINFORMATIONBASEDTRANSFORMATIONSASFLEXIBLEMANUFACTURINGUNIT,FMSFLEXIBLEMANUFACTURINGSYSTEMANDCIMSCIMS,ETCNUMERICALCONTROLTECHNOLOGYHASALREADYBECOMEKEYTECHNOLOGYOFAUTOMATIONOFMANUFACTURINGINDUSTRYANDBASICTECHNOLOGY22,SEETHENECESSITYTRANSFORMEDINMACROSCOPICLOOKFROMMACROSCOPIC,THEARMYOFTHEINDUSTRIALLYDEVELOPEDCOUNTRY,THEPEOPLESMECHANICALINDUSTRY,BYTHEENDOFTHE70S,ALREADYBEGINTOUSETHENUMERICALCONTROLLATHEONALARGESCALEATTHEBEGINNINGOFTHEEIGHTIESITSESSENCEIS,ADOPTTHEINFORMATIONTECHNOLOGYTOCARRYONTECHNOLOGICALTRANSFORMATIONTOTHETRADITIONALINDUSTRYINCLUDINGTHEARMY,THEPEOPLESMECHANICAL
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