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1、英文资料翻译题目CNCnumericalcontrolmachinetools院（系）别中德机电学院专业机电一体化技术班级机电1004学生姓名刘鑫学号100101134指导教师胡冬梅2012年5月CNCnumericalcontrolmachinetoolsComputerdigitalcontrolisacoverallkinds,withdifferentsize,shapeandfunctionofthemachine'sterm，ButthemostsimplemethodsofunderstandingisCNCisakindofcontrolledbyco
2、mputerinthecubematerialprocessingoutusefulobjectsmachine.CNCmachinecanbedividedintotwocategories:thenclatheandncmillingmachine.Numericalcontrollatheusuallyconsistsofclampingworkpiecehigh-speedrotatingdeviceandacancuttoworkpieceexcessmaterialtoolcomposition(toolcanbeinworkpieceuptoandfro
3、msports,untilgetthedesiredshapeofthe).NcmillingmachineisakindofcanintheX,Y,Zaxisthreedirectionsofmillingprocessingdevice.thenclatheandncmillingmachinedoesnotnecessarilyneedcomputertoproduceaqueuetocontrol.Numericalcontroltechnologyandcomputertechnologiescanallowpeopletofirstofallontheco
4、mputerdesignproducts,andthendefinehowncmachinetoolprocessingtheproduct.Productdesignisonthecomputergeneratesacomputeraideddesigndocuments,thenneedpeopledefinehowNCmachinetoolprocessingtheproductsand,intheend,itstepproducedacomputeraidedmanufacturingfile(orGcodefiles,orNCfile,thistypeoff
5、ilehavemanyname).Thecomputeraidedprocessingfilecontainsallofthencmachinetoolsmustfollowthestepsmachininginformation.ComputerandCNCnumericalcontrolmachinetoolcommunicationstellithowtoexplaintheseprocessingdocumenttocarryontheprocessing.Ncmachinetoolby:procedures,input/outputdevice,CNCuni
6、t,servosystem,positionfeedbacksystem,machinebodycomposition.1.programstoragemedium,alsocalledprogramcarrier1)Punchedtape(outdated,eliminated);2)Cassettetape(outdated,eliminated);3)Floppydisk,disk,usbflashdisk,4)Communication.02.input/outputdevices1)Forpunchedtape,withphotoelectricreadin
7、gmachine;(outofdate,eliminated);2)Forcassettetape,withrecorders,(outofdate,eliminated);3)Forthefloppydisk,withfloppydiskdriveanddrivecard;4)Modernncmachinetool,butalsothroughthemanualway(MDIstyle);5)DNCcommunicationnetwork,RS232serialcommunication.3.CNCunitCNCunitisthecoreofthe
