數(shù)控專業(yè)外文翻譯--數(shù)控機(jī)床

數(shù)控專業(yè)外文翻譯--數(shù)控機(jī)床

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1、附錄TheNumericalControlLathesFirstnumericalcontrolsystemdevelopmentsummarybriefhistoryandtendencyIn1946thefirstelectronicaccountingmachinewasbornintheworld,thisindicatedthehumanitycreatedhasbeenpossibletostrengthenandpartiallytoreplacethementallabortheto

2、ol.Itwiththehumanitythesewhichintheagriculture,theindustrysocietycreatedonlyisstrengthensthephysicallaborthetooltocompare,gotupthequantitiveleap,enteredtheinformationsocietyforthehumanitytolaythefoundation.After6years,in1952,computertechnologyappliedto

3、theenginelaths,thefirstnumericalcontrolenginelathswereborninUS.Fromthistimeon,thetraditionalenginelathshashadthearcherytargetchange.Sincenearlyhalfcentury,thenumericalcontrolsystemhasexperiencedtwostagesandsixgenerationofdevelopment.1.1Numericalcontrol

4、(NC)stage(1952~1970)Theearlycomputeroperatingspeedislow,wasnotbigtothensciencecomputationandthedataprocessinginfluence,butcouldnotadapttheenginelathsreal-timecontrolrequest.Thepeoplecannotbutusenumerallogiccircuit"tobuild"tobecomeanenginelathsspecialpu

5、rposecomputertotakethenumericalcontrolsystem,iscalledthehardwareconnectionnumericalcontrol(HARD-WIREDNC),JianChengweinumericalcontrol(NC).Alongwiththeprimarydevicedevelopment,thisstagehashadbeenthroughrepeatedlythreegenerations,namely1952firstgeneratio

6、nof--electrontube;1959secondgenerationof--transistor;1965thirdgeneration--smallscaleintegrationelectriccircuit.1.2Computernumericalcontrol(CNC)stage(in1970~present)In1970,thegeneralminicomputeralreadyappearedandthemassproduction.Thereupontransplantsitt

7、akesthenumericalcontrolsystemthecorepart,fromthistimeonenteredthecomputernumericalcontrol(CNC)thestage("whichshouldhavecomputerinfrontofthegeneral"twocharacterstoabbreviate).In1971,AmericanINTELCorporationintheworldfirsttimethecomputertwomostcorespart-

8、-logicunitsandthecontroller,usedthelargescaleintegratedcircuittechnologyintegrationontogetherthechip,calleditthemicroprocessor(MICROPROCESSOR),alsomightbecalledthecentralprocessingelement(tobecalledCPU).Themicroprocessorisappliedto1974i

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