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1、DevelopmentofCNCmachineAbstractChina'smanufacturingmustbefromabigcountrytopower,fromlowtohigh,fromMadeinChinatoCreatedinChina'stransition.Manufacturingtechnologytoachievethistransformation,first,tohigh-tech,thesecondistoupgradetechnology.CNCmachinetoolsisthekeytomodernmanufacturi
2、ngequipment,countryfsoutputofCNCmachinetoolsandtechnologyinawayrepresentativeofthenationalmanufacturingtechnologylevelandcompetitiveness.HistoryofthedevelopmentofCNCIn194&theU・S.companyParsonsraisedconceivedthatthecomputer-controlledmachinetoolsispossible.In1952,thefirstsuccessfu
3、ltrialbythelargeverticalprofilingmachinerefittedcoordinateCNCmillingmachine.Soonbeganformalproduction,formallyputintousein1957.1959,andthetransistorelementismadeofaprintedcircuitboard,sothattheCNCdeviceintoasecondgeneration.After1960,CNCdrillingandmillingmachinedevelopedrapidly,s
4、oCNCmachinetoolsinmachinerymanufacturingsectorsgraduallygainingpromotion.Ourcountryin1958startedtodevelopCNCmachinetools,successfultrialCNCmachinesystemwithtubes.In1965,tostartmassproductionwithtransistorcoordinateCNCmillingmachines.In1965,therehasbeenathird-generationintegratedC
5、NCequipment,andpromotethedevelopmentofvarietiesandproductionofCNCmachinetools.Thelate1960s,hasappearedinthedirectcontrolofacomputerdirectlytomultiplemachinesCNCSystem(DNC)，alsoknownasgroupcontrolsystem・Asmallcomputer-controlledCNCsystem(CNC),maketheCNCequipmentwithasmallcomputeri
6、ntothefourth-generation.In1974,thesuccessfuldevelopmentofmicroprocessorsandsemiconductormemoryusingamicro-computernumericalcontrolequipment(referredtoMNC),whichisthefifthgenerationofCNCsystems.Early1980s,ascomputersoftware,hardwaretechnologydevelopment,therehasbeeninteractiveCNCe
7、quipmentcanbeperformedofautomaticprogramming.CNCequipmentincreasinglysmallerthatcanbeinstalleddirectlyonthemachine;automationofCNCmachinetoolstofurtherimprove,withautomaticmonitoringtoolbreakagedetectionandautomaticworkpieceandotherfunctions.ImpactonmanufacturingofCNCmachinetools
8、CNCmachinetoolsisthekeyequipmenttomodern
