The-Numerical-Control-Engine-Bed-Transforms

TheNumericalControlEngineBedTransformsAbstract：Becauseofhistoricalreasons，China'sordinaryprocessingequipment，CNCmachiningequipmentless;oldequipment，newequipmentless.Manyenterprisesofmachinetoolaccuracy，highfailurerate.Bymeansofmachinetoolnumericalcontroltransformation，theordinarymachinetoolnotonlyhasgoodmachiningaccuracy，butalsohasthefunctionofnumericalcontrolmachinetool.Keyword：CNCmachining;transformation1numericalcontrolsystemdevelopmentsummarybriefhistoryandtendencyIn1946thefirstelectronicaccountingmachinewasbornintheworld，thisindicatedthehumanitycreatedhasbeenpossibletostrengthenandpartiallytoreplacethementallaborthetool.Itwiththehumanitythesewhichintheagriculture，theindustrysocietycreatedonlyisstrengthensthephysicallaborthetooltocompare，gotupthequantitiveleap，enteredtheinformationsocietyforthehumanitytolaythefoundation.After6years，in1952，computertechnologyappliedtotheenginebed，thefirstnumericalcontrolenginebedwereborninUS.Fromthistimeon，thetraditionalenginebedhashadthearcherytargetchange.Sincenearlyhalfcentury，thenumericalcontrolsystemhasexperiencedtwostagesandsixgenerationofdevelopment.1.1Numericalcontrol（NC）stage（1952～1970）Theearlycomputeroperatingspeedislow，wasnotbigtothensciencecomputationandthedataprocessinginfluence，butcouldnotadapttheenginebedreal-timecontrolrequest.Thepeoplecannotbutusenumerallogiccircuittobuildtobecomeanenginebedspecialpurposecomputertotakethenumericalcontrolsystem，iscalledthehardwareconnectionnumericalcontrol（HARD-WIREDNC），JianChengweinumericalcontrol（NC）.Alongwiththeprimarydevicedevelopment，thisstagehashadbeenthroughrepeatedlythreegenerations，namely1952firstgenerationof--electrontube;1959secondgenerationof--transistor;1965thirdgeneration--smallscaleintegrationelectriccircuit.1.2Computernumericalcontrol（CNC）stage（in1970～present）In1970，thegeneralminicomputeralreadyappearedandthemassproduction.Thereupontransplantsittakesthenumericalcontrolsystemthecorepart，fromthistimeonenteredthecomputernumericalcontrol（CNC）thestage（whichshouldhavecomputerinfrontofthegeneraltwocharacterstoabbreviate）.In1971，AmericanINTELCorporationintheworldfirsttimethecomputertwomostcorespart--logicunitsandthecontroller，usedthelargescaleintegratedcircuittechnologyintegrationontogetherthechip，calleditthemicroprocessor（MICROPROCESSOR），alsomightbecalledthecentralprocessingelement（tobecalledCPU）.1.3.3developstotheintellectualizeddirectionAlongwiththeartificialintelligenceinthecomputerdomainunceasingseepageandthedevelopment，thenumericalcontrolsystemintellectualizeddegreeunceasinglywillenhance.①appliestheadaptivecontroltechnologyThenumericalcontrolsystemcanexamineintheprocesssomeimportantinformation，andtheautomaticcontrolsystemrelatedparameter，achievestheimprovementsystemrunningstatusthegoal.②introducestheexpertsysteminstructionprocessingTheskilledworkerandexpert'sexperience，theprocessinggeneralruleandthespecialrulestoreinthesystem，takethecraftparameterdatabaseasthestrut，theestablishmenthastheartificialintelligencetheexpertsystem.③introducesthebreakdowntodiagnosetheexpertsystem④intellectualizednumeralservodriveMaythroughtheautomaticdiagnosisload，buttheautomaticcontrolparameter，causestheactuationsystemtoobtainthebestmovement.2.enginebednumericalcontroltransformationnecessity2.1microscopiclooksatthetransformationthenecessityFromonmicroscopiclookedbelowthat，thenumericalcontrolenginebedhastheprominentsuperioritycomparedtothetraditionalenginebed，moreoverthesesuperioritycomefromthecomputermightwhichthenumericalcontrolsystemcontains.2.1.1mayprocessthetraditionalenginebedcannotprocessthecurve，thecurvedsurfaceandsoonthecomplexcomponents.Becausethecomputerhastheexcellentoperationability，maytheinstantaccuratelycalculateeachcoordinateaxisinstanttobesupposedthemovementphysiologicalloadofexercise，thereforemayturnroundthesynthesiscomplexcurveorthecurvedsurface.2.1.2mayrealizetheprocessingautomation，moreoveristheflexibleautomation，thustheefficiencymayenhance3～7timescomparedtothetraditionalenginebed.Becausethecomputerhasthememoryandthememoryproperty，maytheprocedurewhichinputsrememberandsave，thentheorderwhichstipulatedaccordingtotheprocedureautomaticcarriesout，thusrealizationautomation.Thenumericalcontrolenginebedsolongasreplacesaprocedure，mayrealizeanotherworkpieceprocessingautomation，thuscausesthesingleunitandthesmallbatchofproductioncanautomate，thereforeiscalledhasrealizedflexibleautomation.2.1.3processingscomponentsprecisionhigh，sizedispersiondegreesmall，makestheassemblytobeeasy，nolongerneedstomakerepairs.3thenumericalcontroltransformationcontentandsuperiorlylacks3.1TransformationindustrystartingInUS，JapanandGermanyandsoonthedevelopedcountry，theirenginebedtransformstooktheneweconomicalgrowthprofession，thrivesabundantly，isoccupyingthegoldenage.Asaresultoftheenginebedaswellasthetechnicalunceasingprogress，theenginebedtransformationistheeternaltopic.Ourcountry'senginebedtransformationindustry，alsoentersfromtheoldprofessiontobythenumericalcontroltechnologyprimarilynewprofession.InUS，Japan，Germany，havethebroadmarketwiththenumericalcon