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1、TheNumericalControlEngineBedTransformsAbstract:Becauseofhistoricalreasons,China'sordinaryprocessingequipment,CNCmachiningequipmentless;oldequipment,newequipmentless.Manyenterprisesofmachinetoolaccuracy,highfailurerate.Bymeansofmachinetoolnumericalcontroltransformation,theordinarymachinetoolnotonlyhasgoodmachiningaccuracy,butalsohasthefunctionofnumericalcontrolmachinetool.Keyword:CNCmachining;transformation1numericalcontrolsystemdevelopmentsummarybriefhistoryandtendencyIn1946thefirstelectronicac。
2、countingmachinewasbornintheworld,thisindicatedthehumanitycreatedhasbeenpossibletostrengthenandpartiallytoreplacethementallaborthetool.Itwiththehumanitythesewhichintheagriculture,theindustrysocietycreatedonlyisstrengthensthephysicallaborthetooltocompare,gotupthequantitiveleap,enteredtheinformationsocietyforthehumanitytolaythefoundation.After6years,in1952,computertechnologyappliedtotheenginebed,thefirstnumericalcontrolenginebedwereborninUS.Fromthistimeon,thetraditionalenginebedhashadthearcherytarg。
3、etchange.Sincenearlyhalfcentury,thenumericalcontrolsystemhasexperiencedtwostagesandsixgenerationofdevelopment.1.1Numericalcontrol(NC)stage(1952~1970)Theearlycomputeroperatingspeedislow,wasnotbigtothensciencecomputationandthedataprocessinginfluence,butcouldnotadapttheenginebedreal-timecontrolrequest.Thepeoplecannotbutusenumerallogiccircuittobuildtobecomeanenginebedspecialpurposecomputertotakethenumericalcontrolsystem,iscalledthehardwareconnectionnumericalcontrol(HARD-WIREDNC),JianChengweinumerica。
4、lcontrol(NC).Alongwiththeprimarydevicedevelopment,thisstagehashadbeenthroughrepeatedlythreegenerations,namely1952firstgenerationof--electrontube;1959secondgenerationof--transistor;1965thirdgeneration--smallscaleintegrationelectriccircuit.1.2Computernumericalcontrol(CNC)stage(in1970~present)In1970,thegeneralminicomputeralreadyappearedandthemassproduction.Thereupontransplantsittakesthenumericalcontrolsystemthecorepart,fromthistimeonenteredthecomputernumericalcontrol(CNC)thestage(whichshouldhavecom。
5、puterinfrontofthegeneraltwocharacterstoabbreviate).In1971,AmericanINTELCorporationintheworldfirsttimethecomputertwomostcorespart--logicunitsandthecontroller,usedthelargescaleintegratedcircuittechnologyintegrationontogetherthechip,calleditthemicroprocessor(MICROPROCESSOR),alsomightbecalledthecentralprocessingelement(tobecalledCPU).1.3.3developstotheintellectualizeddirectionAlongwiththeartificialintelligenceinthecomputerdomainunceasingseepageandthedevelopment,thenumericalcontrolsystemintellectuali。
6、zeddegreeunceasinglywillenhance.①appliestheadaptivecontroltechnologyThenumericalcontrolsystemcanexamineintheprocesssomeimportantinformation,andtheautomaticcontrolsystemrelatedparameter,achievestheimprovementsystemrunningstatusthegoal.②introducestheexpertsysteminstructionprocessingTheskilledworkerandexpert'sexperience,theprocessinggeneralruleandthespecialrulestoreinthesystem,takethecraftparameterdatabaseasthestrut,theestablishmenthastheartificialintelligencetheexpertsystem.③introducesthebreakdown。
7、todiagnosetheexpertsystem④intellectualizednumeralservodriveMaythroughtheautomaticdiagnosisload,buttheautomaticcontrolparameter,causestheactuationsystemtoobtainthebestmovement.2.enginebednumericalcontroltransformationnecessity2.1microscopiclooksatthetransformationthenecessityFromonmicroscopiclookedbelowthat,thenumericalcontrolenginebedhastheprominentsuperioritycomparedtothetraditionalenginebed,moreoverthesesuperioritycomefromthecomputermightwhichthenumericalcontrolsystemcontains.2.1.1mayprocessth。
8、etraditionalenginebedcannotprocessthecurve,thecurvedsurfaceandsoonthecomplexcomponents.Becausethecomputerhastheexcellentoperationability,maytheinstantaccuratelycalculateeachcoordinateaxisinstanttobesupposedthemovementphysiologicalloadofexercise,thereforemayturnroundthesynthesiscomplexcurveorthecurvedsurface.2.1.2mayrealizetheprocessingautomation,moreoveristheflexibleautomation,thustheefficiencymayenhance3~7timescomparedtothetraditionalenginebed.Becausethecomputerhasthememoryandthememoryproperty,。
9、maytheprocedurewhichinputsrememberandsave,thentheorderwhichstipulatedaccordingtotheprocedureautomaticcarriesout,thusrealizationautomation.Thenumericalcontrolenginebedsolongasreplacesaprocedure,mayrealizeanotherworkpieceprocessingautomation,thuscausesthesingleunitandthesmallbatchofproductioncanautomate,thereforeiscalledhasrealizedflexibleautomation.2.1.3processingscomponentsprecisionhigh,sizedispersiondegreesmall,makestheassemblytobeeasy,nolongerneedstomakerepairs.3thenumericalcontroltransformati。
10、oncontentandsuperiorlylacks3.1TransformationindustrystartingInUS,JapanandGermanyandsoonthedevelopedcountry,theirenginebedtransformstooktheneweconomicalgrowthprofession,thrivesabundantly,isoccupyingthegoldenage.Asaresultoftheenginebedaswellasthetechnicalunceasingprogress,theenginebedtransformationistheeternaltopic.Ourcountry'senginebedtransformationindustry,alsoentersfromtheoldprofessiontobythenumericalcontroltechnologyprimarilynewprofession.InUS,Japan,Germany,havethebroadmarketwiththenumericalcon。
本文标题:The-Numerical-Control-Engine-Bed-Transforms
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