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数控专业英语论文

第一篇：数控专业英语论文班级：2012级专升本1班姓名：于越学号：201215310142DevelopmentofCNCmachineAbstractChina'smanufacturingmustbefromabigcountrytopower,fromlowtohigh,fromMadeinChinatoCreatedinChina'stransition.Manufacturingtechnologytoachievethistransformation,first,tohigh-tech,thesecondistoupgradetechnology.CNCmachinetoolsisthekeytomodernmanufacturingequipment,country'soutputofCNCmachinetoolsandtechnologyinawayrepresentativeofthenationalmanufacturingtechnologylevelandcompetitiveness.HistoryofthedevelopmentofCNCIn1948,theU.S.companyParsonsraisedconceivedthatthecomputer-controlledmachinetoolsispossible.In1952,thefirstsuccessfultrialbythelargeverticalprofilingmachinerefittedcoordinateCNCmillingmachine.Soonbeganformalproduction,formallyputintousein1957.1959,andthetransistorelementismadeofaprintedcircuitboard,sothattheCNCdeviceintoasecondgeneration.After1960,CNCdrillingandmillingmachinedevelopedrapidly,soCNCmachinetoolsinmachinerymanufacturingsectorsgraduallygainingpromotion.Ourcountryin1958startedtodevelopCNCmachinetools,successfultrialCNCmachinesystemwithtubes.In1965,tostartmassproductionwithtransistorcoordinateCNCmillingmachines.In1965,therehasbeenathird-generationintegratedCNCequipment,andpromotethedevelopmentofvarietiesandproductionofCNCmachinetools.Thelate1960s,hasappearedinthedirectcontrolofacomputerdirectlytomultiplemachinesCNCSystem(DNC),alsoknownasgroupcontrolsystem.Asmallcomputer-controlledCNCsystem(CNC),maketheCNCequipmentwithasmallcomputerintothefourth-generation.In1974,thesuccessfuldevelopmentofmicroprocessorsandsemiconductormemoryusingamicro-computernumericalcontrolequipment(referredtoMNC),whichisthefifthgenerationofCNCsystems.Early1980s,ascomputersoftware,hardwaretechnologydevelopment,therehasbeen班级：2012级专升本1班姓名：于越学号：201215310142interactiveCNCequipmentcanbeperformedofautomaticprogramming.CNCequipmentincreasinglysmallerthatcanbeinstalleddirectlyonthemachine;automationofCNCmachinetoolstofurtherimprove,withautomaticmonitoringtoolbreakagedetectionandautomaticworkpieceandothe