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ca6140 车床 数控 改造 设计 11 十一 cad 图纸

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英文原文THENUMERICALCONTROLENGINEBEDTRANSFORMSHARVEYBMACKEYFIRSTNUMERICALCONTROLSYSTEMDEVELOPMENTSUMMARYBRIEFHISTORYANDTENDENCYIN1946THEFIRSTELECTRONICACCOUNTINGMACHINEWASBORNINTHEWORLD,THISINDICATEDTHEHUMANITYCREATEDHASBEENPOSSIBLETOSTRENGTHENANDPARTIALLYTOREPLACETHEMENTALLABORTHETOOLITWITHTHEHUMANITYTHESEWHICHINTHEAGRICULTURE,THEINDUSTRYSOCIETYCREATEDONLYISSTRENGTHENSTHEPHYSICALLABORTHETOOLTOCOMPARE,GOTUPTHEQUANTITIVELEAP,ENTEREDTHEINFORMATIONSOCIETYFORTHEHUMANITYTOLAYTHEFOUNDATIONAFTER6YEARS,IN1952,COMPUTERTECHNOLOGYAPPLIEDTOTHEENGINEBED,THEFIRSTNUMERICALCONTROLENGINEBEDWEREBORNINUSFROMTHISTIMEON,THETRADITIONALENGINEBEDHASHADTHEARCHERYTARGETCHANGESINCENEARLYHALFCENTURY,THENUMERICALCONTROLSYSTEMHASEXPERIENCEDTWOSTAGESANDSIXGENERATIONOFDEVELOPMENT11NUMERICALCONTROLNCSTAGE19521970THEEARLYCOMPUTEROPERATINGSPEEDISLOW,WASNOTBIGTOTHENSCIENCECOMPUTATIONANDTHEDATAPROCESSINGINFLUENCE,BUTCOULDNOTADAPTTHEENGINEBEDREALTIMECONTROLREQUESTTHEPEOPLECANNOTBUTUSENUMERALLOGICCIRCUIT“TOBUILD”TOBECOMEANENGINEBEDSPECIALPURPOSECOMPUTERTOTAKETHENUMERICALCONTROLSYSTEM,ISCALLEDTHEHARDWARECONNECTIONNUMERICALCONTROLHARDWIREDNC,JIANCHENGWEINUMERICALCONTROLNCALONGWITHTHEPRIMARYDEVICEDEVELOPMENT,THISSTAGEHASHADBEENTHROUGHREPEATEDLYTHREEGENERATIONS,NAMELY1952FIRSTGENERATIONOFELECTRONTUBE1959SECONDGENERATIONOFTRANSISTOR1965THIRDGENERATIONSMALLSCALEINTEGRATIONELECTRICCIRCUIT12COMPUTERNUMERICALCONTROLCNCSTAGEIN1970PRESENTIN1970,THEGENERALMINICOMPUTERALREADYAPPEAREDANDTHEMASSPRODUCTIONTHEREUPONTRANSPLANTSITTAKESTHENUMERICALCONTROLSYSTEMTHECOREPART,FROMTHISTIMEONENTEREDTHECOMPUTERNUMERICALCONTROLCNCTHESTAGE“WHICHSHOULDHAVECOMPUTERINFRONTOFTHEGENERAL”TWOCHARACTERSTOABBREVIATEIN1971,AMERICANINTELCORPORATIONINTHEWORLDFIRSTTIMETHECOMPUTERTWOMOSTCORESPARTLOGICUNITSANDTHECONTROLLER,USEDTHELARGESCALEINTEGRATEDCIRCUITTECHNOLOGYINTEGRATIONONTOGETHERTHECHIP,CALLEDITTHEMICROPROCESSORMICROPROCESSOR,ALSOMIGHTBECALLEDTHECENTRALPROCESSINGELEMENTTOBECALLEDCPUTHEMICROPROCESSORISAPPLIEDTO1974INTHENUMERICALCONTROLSYSTEMTHISISBECAUSEMINICOMPUTERFUNCTIONTOOSTRONG,CONTROLLEDANENGINEBEDABILITYTOHAVEWEALTHILYTHEREFOREONCEUSESINCONTROLLINGTHEMULTITAIWANENGINEBEDATTHATTIME,CALLEDITGROUPCONTROL,WASINFERIORTOUSEDTHEMICROPROCESSORECONOMYTOBEREASONABLEMOREOVERTHENSMALLMACHINERELIABILITYWASNOTIDEALTHEEARLYMICROPROCESSORSPEEDANDTHEFUNCTIONALTHOUGHINSUFFICIENTLYAREALSOHIGH,BUTMAYSOLVETHROUGHTHEMULTIPROCESSORSTRUCTUREBECAUSETHEMICROPROCESSORISTHEGENERALPURPOSECALCULATORCOREPART,THEREFORESTILLWASCALLEDTHECOMPUTERNUMERICALCONTROLIN1990,PCMACHINEPERSONALCOMPUTER,DOMESTICCUSTOMHADCALLEDMICROCOMPUTERTHEPERFORMANCEHASDEVELOPEDTOTHEVERYHIGHSTAGE,MAYSATISFIEDLYTAKETHENUMERICALCONTROLSYSTEMCOREPARTTHEREQUESTTHENUMERICALCONTROLSYSTEMHENCEFORTHENTEREDBASEDONTHEPCSTAGEINBRIEF,THECOMPUTERNUMERICALCONTROLSTAGEHASALSOEXPERIENCEDTHREEGENERATIONSNAMELY1970FOURTHGENERATIONOFMINICOMPUTER1974FIVEDYNASTIESMICROPROCESSORAND1990SIXTHGENERATIONOVERSEASWASCALLEDPCBASEDBASEDONPCALSOMUSTPOINTOUT,ALTHOUGHOVERSEASALREADYRENAMEDASTHECOMPUTERNUMERICALCONTROLNAMELYCNCALSOMUSTPOINTOUT,ALTHOUGHOVERSEASALREADYRENAMEDASTHECOMPUTERNUMERICALCONTROLNAMELYCNC,BUTOURCOUNTRYSTILLTHECUSTOMCALLEDTHENUMERICALCONTROLNCTHEREFOREWEDAILYSAY“NUMERICALCONTROL”,THEMATERIALLYALREADYWASREFERSTO“COMPUTERNUMERICALCONTROL”13THENUMERICALCONTROLFUTUREWILLDEVELOPTENDENCY131OPENSTYLECONTINUESTO,TODEVELOPBASEDONTHEPCSIXTHGENERATIONOFDIRECTIONTHESOFTWAREANDHARDWARERESOURCESHASWHICHBASEDONPCARERICHANDSOONTHECHARACTERISTIC,THEMORENUMERICALCONTROLSSERIALPRODUCTIONFACTORYCANSTEPONTOTHISPATHUSESPCMACHINETOTAKEATLEASTITSFRONTENDMACHINE,PROCESSESTHEMANMACHINECONTACTSURFACE,THEPROGRAMMING,THEASSOCIATIONQUESTIONANDSOONNETCORRESPONDENCE,UNDERTAKESTHENUMERICALCONTROLDUTYBYTHEORIGINALSYSTEMPCMACHINEHASTHEFRIENDLYMANMACHINECONTACTSURFACE,WILLPOPULARIZETOALLNUMERICALCONTROLSSYSTEMTHELONGDISTANCECOMMUNICATION,THELONGDISTANCEDIAGNOSISANDTHESERVICEWILLBEMORECOMMON132APPROACHESANDTHEHIGHACCURACYDEVELOPMENTTHISISADAPTSTHEENGINEBEDTOBEHIGHSPEEDANDTHEHIGHACCURACYDIRECTIONNEEDTODEVELOP133DEVELOPSTOTHEINTELLECTUALIZEDDIRECTIONALONGWITHTHEARTIFICIALINTELLIGENCEINTHECOMPUTERDOMAINUNCEASINGSEEPAGEANDTHEDEVELOPMENT,THENUMERICALCONTROLSYSTEMINTELLECTUALIZEDDEGREEUNCEASINGLYWILLENHANCE1APPLIESTHEADAPTIVECONTROLTECHNOLOGYTHENUMERICALCONTROLSYSTEMCANEXAMINEINTHEPROCESSSOMEIMPORTANTINFORMATION,ANDTHEAUTOMATICCONTROLSYSTEMRELATEDPARAMETER,ACHIEVESTHEIMPROVEMENTSYSTEMRUNNINGSTATUSTHEGOAL2INTRODUCESTHEEXPERTSYSTEMINSTRUCTIONPROCESSINGTHESKILLEDWORKERANDEXPERTSEXPERIENCE,THEPROCESSINGGENERALRULEANDTHESPECIALRULESTOREINTHESYSTEM,TAKETHECRAFTPARAMETERDATABASEASTHESTRUT,THEESTABLISHMENTHASTHEARTIFICIALINTELLIGENCETHEEXPERTSYSTEM3INTRODUCESTHEBREAKDOWNTODIAGNOSETHEEXPERTSYSTEM4INTELLECTUALIZEDNUMERALSERVODRIVEMAYTHROUGHTHEAUTOMATICDIAGNOSISLOAD,BUTTHEAUTOMATICCONTROLPARAMETER,CAUSESTHEACTUATIONSYSTEMTOOBTAINTHEBESTMOVEMENTSECOND,ENGINEBEDNUMERICALCONTROLTRANSFORMATIONNECESSITY21MICROSCOPICLOOKSATTHETRANSFORMATIONTHENECESSITYFROMONMICROSCOPICLOOKEDBELOWTHAT,THENUMERICALCONTROLENGINEBEDHASTHEPROMINENTSUPERIORITYCOMPAREDTOTHETRADITIONALENGINEBED,MOREOVERTHESESUPERIORITYCOMEFROMTHECOMPUTERMIGHTWHICHTHENUMERICALCONTROLSYSTEMCONTAINS211MAYPROCESSTHETRADITIONALENGINEBEDCANNOTPROCESSTHECURVE,THECURVEDSURFACEANDSOONTHECOMPLEXCOMPONENTSBECAUSETHECOMPUTERHASTHEEXCELLENTOPERATIONABILITY,MAYTHEINSTANTACCURATELYCALCULATEEACHCOORDINATEAXISINSTANTTOBESUPPOSEDTHEMOVEMENTPHYSIOLOGICALLOADOFEXERCISE,THEREFOREMAYTURNROUNDTHESYNTHESISCOMPLEXCURVEORTHECURVEDSURFACE212MAYREALIZETHEPROCESSINGAUTOMATION,MOREOVERISTHEFLEXIBLEAUTOMATION,THUSTHEEFFICIENCYMAYENHANCE37TIMESCOMPAREDTOTHETRADITIONALENGINEBEDBECAUSETHECOMPUTERHASTHEMEMORYANDTHEMEMORYPROPERTY,MAYTHEPROCEDUREWHICHINPUTSREMEMBERANDSAVE,THENTHEORDERWHICHSTIPULATEDACCORDINGTOTHEPROCEDUREAUTOMATICCARRIESOUT,THUSREALIZATIONAUTOMATIONTHENUMERICALCONTROLENGINEBEDSOLONGASREPLACESAPROCEDURE,MAYREALIZEANOTHERWORKPIECEPROCESSINGAUTOMATION,THUSCAUSESTHESINGLEUNITANDTHESMALLBATCHOFPRODUCTIONCANAUTOMATE,THEREFOREISCALLEDHASREALIZED“FLEXIBLEAUTOMATION”213PROCESSINGSCOMPONENTSPRECISIONHIGH,SIZEDISPERSIONDEGREESMALL,MAKESTHEASSEMBLYTOBEEASY,NOLONGERNEEDS“TOMAKEREPAIRS”214MAYREALIZETHEMULTIWORKINGPROCEDURESCENTRALISM,REDUCESTHECOMPONENTSINENGINEBEDBETWEENFREQUENTTRANSPORTING215HASAUTOALARM,THEAUTOMATICMONITORING,AUTOMATICCOMPENSATIONANDSOONTHEMANYKINDSOFAUTONOMYFUNCTION,THUSMAYREALIZELONGTIMENOBODYTOSAFEGUARDTHEPROCESSING216ADVANTAGEWHICHDERIVESBYABOVEFIVEFOREXAMPLEREDUCEDWORKERSLABORINTENSITY,SAVEDTHELABORFORCEAPERSONTOBEPOSSIBLETOSAFEGUARDTHEMULTITAIWANENGINEBED,REDUCEDTHEWORKCLOTHES,REDUCEDTHENEWPRODUCTTRIALMANUFACTURINGCYCLEANDTHEPRODUCTIONCYCLE,MIGHTTOTHEMARKETDEMANDMAKERAPIDREACTIONANDSOONABOVETHESESUPERIORITYARETHEPREDECESSORCANNOTIMAGINE,ISANEXTREMELYSIGNIFICANTBREAKTHROUGHINADDITION,THEENGINEBEDNUMERICALCONTROLCARRIESOUTFMCFLEXIBLEMANUFACTUREUNIT,FMSFLEXIBLEMANUFACTURESYSTEMASWELLASCIMSCOMPUTERINTEGRATIONMANUFACTURESYSTEMANDSOONTHEENTERPRISEBECOMINGANINFORMATIONBASEDSOCIETYTRANSFORMATIONFOUNDATIONTHENUMERICALCONTROLTECHNOLOGYALREADYBECAMETHEMANUFACTURINGINDUSTRYAUTOMATIONTHECORETECHNOLOGYANDTHEFOUNDATIONTECHNOLOGY22GREATWATCHESTHETRANSFORMATIONTHENECESSITYFROMONMACROSCOPICLOOKEDTHAT,THEINDUSTRYDEVELOPEDCOUNTRYARMEDFORCES,THEAIRPLANEWEAPONINDUSTRY,INTHEENDOFTHE70S,ATTHEBEGINNINGOFTHE80SSTARTEDTHELARGESCALEAPPLICATIONNUMERICALCONTROLENGINEBEDITSESSENCEIS,USESTHEINFORMATIONTECHNOLOGYTOTHETRADITIONALINDUSTRYINCLUDINGTHEARMEDFORCES,AIRPLANEWEAPONINDUSTRYCARRIESONTHETECHNOLOGICALTRANSFORMATIONSEXCEPTTHATUSESOUTSIDETHENUMERICALCONTROLENGINEBED,FMC,FMSINTHEMANUFACTUREPROCESS,BUTALSOINCLUDESINTHEPRODUCTDEVELOPMENTCARRIESOUTCAD,CAE,CAM,THEHYPOTHESIZEDMANUFACTUREASWELLASCARRIESOUTMISINTHEPRODUCTIONMANAGEMENTMANAGEMENTINFORMATIONSYSTEM,CIMSANDSOONASWELLASINCREASESTHEINFORMATIONTECHNOLOGYINITSPRODUCTIONPRODUCT,INCLUDINGARTIFICIALINTELLIGENCEANDSOONCONTENTBECAUSEUSESTHEINFORMATIONTECHNOLOGYTOTHECOUNTRYFOREIGNTROOPS,THEAIRPLANEWEAPONINDUSTRYCARRIESONTHETHOROUGHTRANSFORMATIONTOCALLITBECOMINGANINFORMATIONBASEDSOCIETY,FINALLYCAUSESTHEMTHEPRODUCTINTHEINTERNATIONALMILITARYGOODSANDINTHEGOODSFORCIVILIANUSEMARKETTHECOMPETITIVEPOWERGREATLYISTHEENHANCEMENTBUTWEINTHEINFORMATIONTECHNOLOGYTRANSFORMATIONTRADITIONINDUSTRYASPECTCOMPAREDTOTHEDEVELOPEDCOUNTRYTOFALLBEHINDAPPROXIMATELYFOR20YEARSLIKEINOURCOUNTRYENGINEBEDCAPACITY,NUMERICALCONTROLENGINEBEDPROPORTIONNUMERICALCONTROLRATETO1995ONLYTHEN19,BUTJAPANHASREACHED208IN1994,THEREFOREEVERYYEARHASTHEMASSIVEMECHANICALANDELECTRICALPRODUCTSIMPORTTHISALSOONFROMONMACROSCOPICEXPLAINEDTHEENGINEBEDNUMERICALCONTROLTRANSFORMATIONNECESSITYTHORD,THENUMERICALCONTROLTRANSFORMATIONCONTENTANDSUPERIORLYLACKS31TRANSFORMATIONINDUSTRYSTARTINGINUS,JAPANANDGERMANYANDSOONTHEDEVELOPEDCOUNTRY,THEIRENGINEBEDTRANSFORMSTOOKTHENEWECONOMICALGROWTHPROFESSION,THRIVESABUNDANTLY,ISOCCUPYINGTHEGOLDENAGEASARESULTOFTHEENGINEBEDASWELLASTHETECHNICALUNCEASINGPROGRESS,THEENGINEBEDTRANSFORMATIONIS“THEETERNAL”TOPICOURCOUNTRYSENGINEBEDTRANSFORMATIONINDUSTRY,ALSOENTERSFROMTHEOLDPROFESSIONTOBYTHENUMERICALCONTROLTECHNOLOGYPRIMARILYNEWPROFESSIONINUS,JAPAN,GERMANY,HAVETHEBROADMARKETWITHTHENUMERICALCONTROLTECHNOLOGICALTRANSFORMATIONSENGINEBEDANDTHEPRODUCTIONLINE,HASFORMEDTHEENGINEBEDANDTHEPRODUCTIONLINENUMERICALCONTROLTRANSFORMATIONNEWPROFESSIONINUS,THEENGINEBEDTRANSFORMATIONINDUSTRYISCALLEDTHEENGINEBEDREGENERATIONREMANUFACTURINGINDUSTRYISENGAGEDINTHEREGENERATIONINDUSTRYFAMOUSCOMPANYTOINCLUDETHEBERTSCHEENGINEERINGFIRM,THEAYTONENGINEBEDCOMPANY,DEVLIEGBULLAVDAREVALUABLESERVESTHEGROUP,THEUSEQUIPMENTCOMPANYANDSOONTHEAMERICANVALUABLECOMPANYHASSETUPTHECOMPANYINCHINAINJAPAN,THEENGINEBEDTRANSFORMATIONINDUSTRYISCALLEDTHEENGINEBEDTOREEQUIPRETROFITTINGINDUSTRYISENGAGEDINTHEREEQUIPMENTINDUSTRYFAMOUSCOMPANYTOINCLUDEBIGINDENTATIONPROJECTGROUP,HILLOCKTHREEMECHANICALCOMPANIES,THOUSANDSUBSTITUTEFIELDSLABORMACHINECOMPANY,WILDENGINEERINGFIRM,SHOREFIELDENGINEERINGFIRM,MOUNTAINTHISENGINEERINGFIRMANDSOON32NUMERICALCONTROLTRANSFORMATIONCONTENTTHEENGINEBEDANDTHEPRODUCTIONLINENUMERICALCONTROLTRANSFORMATIONMAINCONTENTHASFOLLOWINGSEVERALPOINTSFIRSTISEXTENSIVELYRECOVERSTHEFUNCTION,TOTHEENGINEBED,THEPRODUCTIONLINEHASTHEBREAKDOWNPARTIALLYTOCARRYONTHEDIAGNOSISANDTHERESTORATIONSECONDISNC,THEADDENDREVEALSTHEINSTALLMENTONTHEORDINARYENGINEBED,ORADDSTHENUMERICALCONTROLSYSTEM,TRANSFORMSTHENCENGINEBED,THECNCENGINEBEDTHIRDISRENOVATES,FORINCREASESTHEPRECISION,THEEFFICIENCYANDTHEAUTOMATICITY,TOTHEMACHINERY,THEELECTRICITYPARTIALLYCARRIESONRENOVATES,REASSEMBLESTHEPROCESSINGTOTHEMACHINEPART,EXTENSIVELYRECOVERSTHEPRECISIONDOESNOTSATISFYTHEPRODUCTIONREQUESTTOITTHECNCSYSTEMTOCARRYONTHERENEWALBYNEWESTCNCFOURTHISTHETECHNOLOGYRENEWSORTHETECHNICALINNOVATION,FORENHANCESTHEPERFORMANCEORTHESCALE,ORINORDERTOUSETHENEWCRAFT,THENEWTECHNOLOGY,CARRIESONTHEBIGSCALEINTHEORIGINALFOUNDATIONTHETECHNOLOGYTORENEWORTHETECHNICALINNOVATION,THEGREATSCOPERAISESTHELEVELANDTHESCALERENEWALTRANSFORMATIONTHENEWELECTRICALSYSTEMTRANSFORMSAFTER,HOWCARRIESONTHEDEBUGGINGASWELLASTHEDETERMINATIONREASONABLEAPPROVALSTANDARD,ALSOISTHETECHNOLOGYPREPARATORYWORKIMPORTANTLINKTHEDEBUGGINGWORKINVOLVESTHEMACHINERY,THEHYDRAULICPRESSURE,THEELECTRICITY,THECONTROL,ANDSOON,THEREFOREMUSTCARRYONBYTHEPROJECTPERSONINCHARGE,OTHERPERSONNELCOORDINATETHEDEBUGGINGSTEPMAYCONFORMTOSIMPLICITYTONUMEROUS,FROMINFANCYTOMATURITY,CARRIESONFROMOUTSIDETOIN,AFTERALSOMAYTHEPARTIALOVERALLSITUATION,AFTERFIRSTTHESUBSYSTEMTHE33THENUMERICALCONTROLTRANSFORMATIONSUPERIORLYLACKS331REDUCEDINVESTMENTCOSTS,THEDATEOFDELIVERYARESHORTWITHPURCHASESTHENEWENGINEBEDTOCOMPARE,MAYSAVE6080EXPENSEGENERALLY,THETRANSFORMATIONEXPENSEISLOWLARGESCALE,THESPECIALENGINEBEDESPECIALLYISSPECIALLYOBVIOUSTHECOMMONLARGESCALEENGINEBEDTRANSFORMS,ONLYSPENDSTHENEWENGINEBEDPURCHASEEXPENSE1/3,THEDATEOFDELIVERYISSHORTBUTSOMEPECULIARCIRCUMSTANCES,LIKETHEHIGHSPEEDMAINAXLE,THETRAYAUTOMATICSWITCHINGUNITMANUFACTUREANDTHEINSTALLMENTTOOREQUIRESALOTOFWORK,COSTSAGREATDEALOFMONEY,OFTENTRANSFORMSTHECOSTTOENHANCE23TIMES,WITHPURCHASESTHENEWENGINEBEDTOCOMPARE,ONLYCANECONOMICALINVESTABOUT50332MACHINECAPABILITYSTABLEARERELIABLE,THESTRUCTUREISLIMITEDUSESFOUNDATIONANDSOONLATHEBED,COLUMNALLISHEAVYBUTTHEFIRMCASTINGCOMPONENT,BUTISNOTTHATKINDOFWELDINGCOMPONENT,AFTERTHETRANSFORMATIONENGINEBEDPERFORMANCEHIGH,THEQUALITYISGOOD,MAYTAKETHENEWEQUIPMENTCONTINUESTOUSEMANYYEARSBUTRECEIVESTHEORIGINALMECHANISMTHELIMIT,NOTSUITABLYMAKESTHEUNPRECEDENTEDTRANSFORMATION333FAMILIARUNDERSTOODTHEEQUIPMENT,ISADVANTAGEOUSFORTHEOPERATIONSERVICEWHENPURCHASESTHENEWEQUIPMENT,DIDNOTUNDERSTANDWHETHERTHENEWEQUIPMENTCANSATISFYITSPROCESSINGREQUESTTHETRANSFORMATIONTHENOTHERWISE,MAYPRECISELYCALCULATETHEENGINEBEDTHEPROCESSINGABILITYMOREOVER,BECAUSEMANYYEARSUSE,THEOPERATORALREADYUNDERSTOODTOTHEENGINEBEDCHARACTERISTIC,USESANDSERVICESTHEASPECTTOTRAINTHETIMEINTHEOPERATIONSHORT,EFFECTIVEISQUICKTHETRANSFORMATIONENGINEBEDASSOONASINSTALLS,MAYREALIZETHECAPACITYLOADREVOLUTION334MAYFULLYUSETHEEXISTINGCONDITIONMAYFULLYUSETHEEXISTINGGROUND,DOESNOTNEEDTOLIKEBUYSWHENTHENEWEQUIPMENTSUCHTOHAVERETOCONSTRUCTTHEGROUND335MAYUSETHENEWESTCONTROLTECHNOLOGYENHANCESTHEPRODUCTIONEQUIPMENTTHEAUTOMATEDLEVELANDTHEEFFICIENCY,IMPROVESTHEEQUIPMENTQUALITYANDTHESCALE,ALTERSTOTHEOLDENGINEBEDNOWTHEHORIZONTALENGINEBEDFOURTH,NUMERICALCONTROLSYSTEMCHOICEWHENTHENUMERICALCONTROLSYSTEMMAINLYHASTHREEKINDOFTYPES,THETRANSFORMATION,SHOULDACTACCORDINGTOTHESPECIALDETAILSTOCARRYONTHECHOICE41STEPBYSTEPSTHEOPENSYSTEMWHICHTHEELECTRICALMACHINERYDRIVESTHISSYSTEMSERVODRIVEMAINLYISSTEPBYSTEPSTHEELECTRICALMACHINERY,THEPOWERSTEPBYSTEPSTHEELECTRICALMACHINERY,THEBATTERYSOLUTIONPULSEMOTORANDSOONENTERINGSENDSOUTWHICHBYTHENUMERICALCONTROLSYSTEMFORINSTRUCTIONPULSE,AFTERTHEACTUATIONELECTRICCIRCUITCONTROLANDTHEPOWERENLARGEMENT,CAUSESTOSTEPBYSTEPTHEELECTRICALMACHINERYROTATION,THROUGHGEARVICEANDBALLBEARINGGUIDESCREWVICEACTUATIONEXECUTIVECOMPONENTSOLONGASTHECONTROLCOMMANDPULSEQUANTITY,THEFREQUENCYASWELLASTHECIRCULARTELEGRAMORDER,THENMAYCONTROLTHEEXECUTIVECOMPONENTMOVEMENTTHEDISPLACEMENTQUANTITY,THESPEEDANDTHEHEADINGTHISKINDOFSYSTEMDOESNOTNEEDTHEPHYSICALLOCATIONANDTHEVELOCITYFEEDBACKWHICHOBTAINSTOTHEINPUTEND,THEREFORECALLEDITTHEOPENSYSTEM,THISSYSTEMDISPLACEMENTPRECISIONMAINLYDECIDEDINSTEPBYSTEPSTHEELECTRICALMACHINERYANGULARDISPLACEMENTPRECISION,TRANSMISSIONPARTANDSOONGEARGUIDESCREWPITCHESTHEPRECISION,THEREFORETHESYSTEMDISPLACEMENTPRECISIONISLOWTHISSYSTEMSTRUCTURESIMPLE,DEBUGGINGSERVICECONVENIENT,WORKRELIABLE,COSTLOW,ISEASYTOREEQUIPSUCCESSFULLY42THEASYNCHRONOUSMOTORORTHEDIRECTCURRENTMACHINEDRIVE,DIFFRACTIONGRATINGSURVEYFEEDBACKCLOSEDLOOPNUMERICALCONTROLSYSTEMTHISSYSTEMANDTHEOPENSYSTEMDIFFERENCEISPHYSICALLOCATIONFEEDBACKSIGNALWHICHBYPOSITIONDETECTORSETANDSOONTHEDIFFRACTIONGRATING,INDUCTIONSYNCHROMESHOBTAINS,CARRIESONTHECOMPARISONASNECESSARYWITHTHEGIVENVALUE,TWOINTERPOLATIONSENLARGEMENTSANDTHETRANSFORMATION,THEACTUATIONIMPLEMENTINGAGENCY,BYTHESPEEDWHICHASSIGNSTURNSTOWARDSTHEELIMINATIONDEVIATIONTHEDIRECTIONMOVEMENT,UNTILASSIGNSTHEPOSITIONANDTHEFEEDBACKPHYSICALLOCATIONINTERPOLATIONISEQUALTOTHEZEROTHECLOSEDLOOPENTERSFORTHESYSTEMENTERSFORTHESYSTEMCOMPLEXINTHESTRUCTURECOMPAREDTOTHESPLITRING,THECOSTISALSOHIGH,REQUESTSSTRICTLYTOTHEENVIRONMENTROOMTEMPERATURETHEDESIGNANDTHEDEBUGGINGISALLMOREDIFFICULTTHANTHEOPENSYSTEMBUTMAYOBTAINCOMPAREDTOTHESPLITRINGENTERSFORASYSTEMHIGHERPRECISION,QUICKERSPEED,ACTUATIONPOWERBIGGERCHARACTERISTICTARGETMAYACTACCORDINGTOTHEPRODUCTSPECIFICATION,DECIDEDWHETHERUSESTHISKINDOFSYSTEM43THEDIRECTCURRENTSERVOELECTRICALMACHINERYDRIVES,ENCODERFEEDBACKSEMICLOSURELINKNUMERICALCONTROLSYSTEMHALFCLOSEDLOOPSYSTEMEXAMINATIONPARTINSTALLSINAMONGPASSESINTHEMOVINGPARTS,INDIRECTLYSURVEYSTHEEXECUTIVECOMPONENTTHEPOSITIONITONLYCANCOMPENSATEASYSTEMRINGCIRCUITINTERIORPARTOFPARTTHEERROR,THEREFORE,ITSPRECISIONCOMPAREDTOCLOSEDLOOPSYSTEMPRECISIONLOW,BUTITSSTRUCTUREANDTHEDEBUGGINGALLCOMPARESTHECLOSEDLOOPSYSTEMTOBESIMPLEINMAKESTHEANGULARDISPLACEMENTEXAMINATIONPARTANDTHESPEEDEXAMINATIONPARTANDTHESERVOELECTRICALMACHINERYTIMEAWHOLETHENDOESNOTNEEDTOCONSIDERTHEPOSITIONDETECTORSETINSTALLSTHEQUESTIONTHECURRENTPRODUCTIONNUMERICALCONTROLSYSTEMCOMPANYFACTORYQUITEAREMANY,OVERSEASFAMOUSCOMPANYLIKEGERMANSIEMENSCORPORATION,JAPANESEFANUCCORPORATIONNATIVECORPORATIONLIKECHINAMOUNTEVERESTCORPORATION,BEIJINGASTRONAUTICSENGINEBEDNUMERICALCONTROLSYSTEMGROUPCOMPANY,CENTRALCHINANUMERICALCONTROLCOMPANYANDSHENYANGUPSCALENUMERICALCONTROLCOUNTRYENGINEERINGRESEARCHCENTERWHENCHOICENUMERICALCONTROLSYSTEMMAINLYISEACHKINDOFPRECISIONWHICHTHEENGINEBEDMUSTACHIEVEAFTERTHENUMERICALCONTROLTRANSFORMATION,ACTUATESTHEELECTRICALMACHINERYTHEPOWERANDUSERSREQUESTFIFTHINTHENUMERICALCONTROLTRANSFORMATIONTHEMAINMECHANICALPARTREEQUIPSTHEDISCUSSIONANEWNUMERICALCONTROLENGINEBED,MUSTACHIEVEINTHEDESIGNTHAT,HASTHEHIGHSTATICDYNAMICRIGIDITYMOVEMENTVICEBETWEENFRICTIONCOEFFICIENTSMALL,THETRANSMISSIONISCEASELESSTHEPOWERISBIGISADVANTAGEOUSFORTHEOPERATIONANDTHESERVICEWHENENGINEBEDNUMERICALCONTROLTRANSFORMATIONSHOULDMEETTHEABOVEREQUIREMENTSASFARASPOSSIBLECANNOTTHINKTHENUMERICALCONTROLINSTALLMENTANDTHEORDINARYENGINEBEDCONNECTSINHASMETTHENUMERICALCONTROLENGINEBEDREQUIREMENTSTOGETHER,BUTALSOSHOULDCARRYONTHECORRESPONDINGTRANSFORMATIONTOTHEMAJORCOMPONENTTOENABLEITTOACHIEVETHECERTAINDESIGNREQUEST,CANOBTAINTHEANTICIPATEDTRANSFORMATIONGOAL51SKIDSGUIDERAILSAIDTOTHENUMERICALCONTROLLATHETHAT,THEGUIDERAILBESIDESSHOULDHAVETHECONVENTIONALLATHEGUIDANCEPRECISIONANDTHETECHNOLOGYCAPABILITY,BUTALSOMUSTHAVEGOODBEARSTHEFRICTION,THEATTRITIONCHARACTERISTIC,ANDTHEREDUCTIONBUTSENDSTHEDEADAREABECAUSEOFTHEFRICTIONDRAGATTHESAMETIMEMUSTHAVETHEENOUGHRIGIDITY,BYREDUCESTHEGUIDERAILTODISTORTTOPROCESSESTHEPRECISIONTHEINFLUENCE,MUSTHAVETHEREASONABLEGUIDERAILPROTECTIONANDTHELUBRICATION52GEARTHECOMMONENGINEBEDGEARMAINLYCONCENTRATESINTHEHEADSTOCKANDTHEGEARBOXINORDERTOGUARANTEETHETRANSMISSIONPRECISION,ONTHENUMERICALCONTROLENGINEBEDUSESTHEGEARPRECISIONCLASSISALLHIGHERTHANTHEORDINARYENGINEBEDMUSTBEABLETOACHIEVETHECEASELESSTRANSMISSIONINTHESTRUCTURE,THUSTRANSFORMSTIME,THEENGINEBEDMAINGEARMUSTSATISFYTHENUMERICALCONTROLENGINEBEDTHEREQUEST,BYGUARANTEESTHEENGINEBEDPROCESSINGPRECISION53SKIDSTHEGUIDESCREWANDTHEBALLBEARINGGUIDESCREWTH