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外文翻译----计算机数控 英文版.doc

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外文翻译----计算机数控 英文版.doc

南昌航空大学科技学院机械设计制造及其自动化专业2010届毕业设计论文诺基亚3120外壳注塑模设计及数控仿真加工1英文资料CNCWhatisCNCCNCisshortforComputerNumericControlwhichishowacomputertalkstoamillingmachinetocontrolitsmovementstocutthepartyoudesign.Thelanguageitusesiscalledgcode,whichisaseriesofinstructionsthat,combinedwithX,YandZcoordinatesdenotesdirection,speedsandkeypointsoftheshapetobecut.Inthepast,forexample,eventhemostskilledmachinistwouldhaveaproblemcuttingacirclebecauseboththeXandYhandwheelswouldhavetobecrankedatthesametimeatconstantlyvaryingratesatthesametime.Thecomputer,however,hasnotroubledoingthis,andacomplicatedshapecanbecutjustaseasilyasastraightline.TheadvantageofCNCbeyondcuttingdifficult3Dshapesisthatoncetheprogramiswrittenandtheholdingfixturesmade,multipleidenticalpartscanbemaderapidly.CNCMILLINGComputerNumericalControlCNCMillingisthemostcommonformofCNC.CNCmillscanperformthefunctionsofdrillingandoftenturning.CNCMillsareclassifiedaccordingtothenumberofaxesthattheypossess.Axesarelabeledasxandyforhorizontalmovement,andzforverticalmovement,asshowninthisviewofamanualmilltable.AstandardmanuallightdutymillsuchasaBridgeport™istypicallyassumedtohavefouraxes1.Tablex.2.Tabley.3.Tablez.4.MillingHeadz.Thenumberofaxesofamillingmachineisacommonsubjectofcasualshoptalkandisofteninterpretedinvaryingways.Wepresentherewhatwehaveseentypicallypresentedby南昌航空大学科技学院机械设计制造及其自动化专业2010届毕业设计论文诺基亚3120外壳注塑模设计及数控仿真加工2manufacturers.AfiveaxisCNCmillingmachinehasanextraaxisintheformofahorizontalpivotforthemillinghead,asshownbelow.Thisallowsextraflexibilityformachiningwiththeendmillatananglewithrespecttothetable.AsixaxisCNCmillingmachinewouldhaveanotherhorizontalpivotforthemillinghead,thistimeperpendiculartothefifthaxis.CNCmillingmachinesaretraditionallyprogrammedusingasetofcommandsknownasGcodes.GcodesrepresentspecificCNCfunctionsinalphanumericformat.DescriptionTheFlashCutCNCmillsaredesignedforsimpleCNCmachiningofalmostanysmallpart.Theyreaccurate,versatile,andextremelyeasytouse.PeoplenewtomachiningorCNCcontrolcanusethesystemtocreateanythingfromsimple南昌航空大学科技学院机械设计制造及其自动化专业2010届毕业设计论文诺基亚3120外壳注塑模设计及数控仿真加工32Dprofilestocomplex3Dshapes.Experiencedmachinistscanchoosefromawiderangeofavailableoptionsforcomplexsetupsandadvancedmachiningoperations.FlashCutCNCMill2000FlashCutCNCMill5400ServoStepperSC2000HSC2000VTypicalApplicationsRapidprototypingLightmediumdutyproductionJewelryMoldmakingEngravingWoodworkingLabWorkEducationHobbyImportantFeaturesReliable,highqualityCNCmillPowerful,intuitiveWindowsbasedcontrolsystemFastandaccurate南昌航空大学科技学院机械设计制造及其自动化专业2010届毕业设计论文诺基亚3120外壳注塑模设计及数控仿真加工4WiderangeoftoolingandaccessoriesCutssteel,aluminum,brass,plastic,wood,waxandmorePowerfulmotorsandmotordriversDirectimportfromCADforsimpledesignsCAMSoftwareavailableforimportingcomplex3DmodelsChoiceofStepperorServocontrolsystemVariablespindlespeedExceptionaltechnicalsupportExceptionalvalueComponentsIncludedTabletopMillwithIntegratedMotorMountsFlashCutCNCControlSoftwareSignalGeneratorStepperControlSystemo3Axis,2Amp/axisStepperMotorDriverboxo3Size23,135ozinsteppermotorswith6cablesServoControlSystemo3Axis,8Amp/axiscontinuous,12Amp/axispeakServoMotorDriverboxo3Size23,151ozinservomotorswith10cablesAllRequiredCablesSoftwareandHardwareManualsFreeTechnicalSupportFlashCutalsooffersMillLathecombinationpackagesthatincludeone3Axiscontrolsystemandtwomachinetoolswithmotorsmounted.YoucaneasilyswitchbetweenrunningthemillandrunningthelathebypluggingtheappropriatemotorsintotheMotorDriverBox.TheMillLathecombinationpackagesincludethecomponentslistedaboveplusTabletopLathewithIntegratedMotorMountsStepperControlSystemo2Size23,135ozinsteppermotorswith6cablesServoControlSystem2Size23,151ozinservomotorswith10cables

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