微工厂中可重构微型机床的发展状况外文文献翻译中英文翻译外文翻译Word文档格式.docx

微工厂中可重构微型机床的发展状况外文文献翻译中英文翻译外文翻译Word文档格式.docx

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L25』KorenY,KotaS（l999）Reconfigurablemachinetool.USPatent#5,943,750

L26』LandersRG,MinBK,KorenY（200l）Reconfigurablemachinetools.AnnCIRP50:

269-274

L27』KatzR,ChungH（l999）Designofanexperimentalarchtypereconfigurablemachinetool.Proc2000JUSFA,2000Japan-USASymposiumonFlexibleAutomation,July23-26,2000,AnnArbor,MI

L28』KatzR,YookJ,KorenY（2004）Controlofreconfigurablemachinetool.ASMEJDynSystMeasControll26:

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L29』KorenY,KatzR（2003）ReconfigurableapparatusandmethodforInspectionduringaManufacturingProcess.USPatent#6,567,l62

L30』KatzR,ZuteckMG,KorenY（2002）Rapidinspectionanderror-tracingmethodologyformachiningproductionlines.CIRPICME'

02,Ischia（Naples）,Italy

L3l』KatzR,ZuteckMG,KorenY（2002）Reconfigurableinspectionmachineformachiningproductionlines.ProcGlobalPowerTrainConference2002,AnnArbor,MI

L32』BarhakJ,KatzR（2003）Interpretationoflasermeasurementsproducedbythereconfigurableinspectionmachineusingthe“virtualball”method.ProcCIRP-2ndIntl.ConferenceonRMS

'

03,AnnArbor,MI

L33』BarhakJ,KatzR（2004）Rapidnon-contactmeasurementsofenginecylinderheadswiththereconfigurableinspectionmachine.CIRPICME'

04,Sorrento,Italy

L34』GuptaA,SegallS,KatzR（2004）Motionstageerrorcompensationtechniquewithverificationmethodologyforareconfigurableinspectionmachine.ASMEProc2004Japan-USASymposiumonFlexibleAutomation

L35』BarhakJ,DjurdjanovicD,SpicerP,KatzR（2005）Integrationofreconfigurableinspectionwithstreamofvariationsmethodology.IntJMachToolsManuf45（4-5）:

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L36』KalyanaramanA,KatzR,LockT,SpicerP,WarlickZ,（2004）Cylinderheadsurfaceporosityinspection.UniversityofMichigan,ERC／RMSTR-05l-04

L37』BairN,KidwaiT,KorenY,MehrabiM,WayneS,PraterL（2002）Designofareconfigurableassemblysystemformanufacturingheatexchangers.Japan-USASymposiumonFlexibleManufacturing,Julyl4-l9,Hiroshima

L38』KidwaiT（2002）Designofareconfigurablecore-builder:

anassemblymachineforheatexchangers.UniversityofMichigan,ERC／RMS-TR-056-05

附录2:

DevelopmentofaReconfigurableMicroMachineToolforMicrofactory

Sung-HyunJang’,Yong-MinJung’,Hyun-YoungHwang’,Young-HyuChoi2and

Jong-KwonPark3

GraduateSchool,Dept.ofMechanicalDesign&

Manufacturing,ChangwonNationalUniversity,Changwon,

Korea

（Tel:

+82-55-267-ll07；

E-mail:

nakanygchangwon.ac.kr）

2DepartmentofMechatronics,ChangwonNationalUniversity,Changwon,Korea

+82-55-2l3-3623；

E-mail:

yhchoigchangwon.ac.kr）3KoreaInstituteofMachinery&

Materials,Daejeon,Korea

+82-42-868-7ll6；

jkparkgkimm.re.kr）

Abstract:

Recently,therehavebeenseveralinterestingresearchesonthemicrofactoryespeciallyinJapan,U.S.,andKorea.Sincethemicrofactorypossesstheadvantageofflexiblemanufacturingsystemand／orreconfigurablemanufacturingsystem,weintroducedtheconceptofmodularreconfigurablemachinestructureinourmicromachinetooldesignformicrofactory.Modularreconfigurablemachinetoolscaneasilyperformmachiningprocessesofdifferentkindssuchasmilling,turning,drillingandorgrindingbysimplyaddingorexchangingmachinetoolunitsormodules.Inthisstudy,wehavedevelopedareconfigurablemicromachinetoolformicrofactory,whichcanbereconfiguredfromamillingmachinetoatuninglatheorviceversa.Instructuraldesignofthemachinetools,wealreadystudiedanewtheoreticalmethodofcreatingmachineconfigurationsofmodular-reconfigurablemachinetools（MRMT）inthepreliminarydesignstage.Accordingtoourdesignmethodology,wedesignedthestructuralmodulesandRMTsafterreviewingallfeasibleconfigurationsinthepreliminarydesignstage.Byusingsomemodules,wehavebuiltRMTbasedthemicromillingmachinewithenoughstiffness.The3-axismicromillingmachineofRMThasamini-desktopsizeof300mmX200mmX320mmanditstravelvolumeisl0l0Xl0mm3.DynamiccharacteristicsincludingnaturalfrequenciesanddynamicstiffnessofthedevelopedMRMTwereanalyzedand

examinedbyusingF.E.M.andimpacthammertest.Andwecarriedoutpositioningcontroltestandcuttingtestusingamotioncontroller.Consequently,wesuccessfullydevelopedreconfigurablemicromachinetoolwithreconfigurablestructuresofmillingmachineandturningmachineformicrofactorybymeansofconfigurationsimulation,structureandmoduledesign,FEanalysis,anddynamiccharacteristictestssuchasamodaltestanddynamiccompliancetest.

Keywords:

Microfactory,Reconfigurablemicromachinetool（RmMT）,Structuralmodule,Machineconfiguration,Cryptographicmapping,Machiningfunctionproving

2.INTRODUCTION

Duringthelastfewdecades,therewereagreatmanyeffortstoimproveatechnologyforthemanufacturingsystems,machiningprocessandthedevelopmentofanadvancedmachine.Thenowadaysproductionsystemisenlargedvariousrequestssuchassmallquantitybatchproduction,flexibleproduction,costreduction,andcompositionoffunction.Theaccuracyofmachiningisnotonlygoingtomicroandnanoscalebutthemachinetoolsareminiaturizedgradually.AccordinglyseveralresearchesaboutCIM,FMS,RMS（reconfigurablemanufacturingsystem）,andmulti-taskingmachinehasproceeded.Moreover,underthegrowinginterestsfor’OnDemandProduct’,theconceptfor’Microfactory’hasappeared.Recently,theinterestsandresearchesonthemicrofactoryorthemicro-fabricationsystemareremarkablyincreased.AftertheinitiativeresearchonmicrofactorybyJapaninthel990s,agreatvarietyofstudiesanddevelopmentsonmicro-fabricationsystemshavebeenmadeinEurope,U.S.,andKorea.Ll-3』

Theadvantageofamicrofactoryisobtainingbenefitsinviewofitspotentialofminiaturizingordownsizing,resourceandenergysaving,flexiblesystem.Oneofthekeyelementsofmicrofactoryisthemicro／mesoscalemechanicalmachiningmachinetools.Duringthelast3years,severalmicro／mesoscalemechanicalmachiningmachinetools,suchas3-axisverticalmicromillingmachine,aminiaturemicroturningmachine,microEDM,micropunchingmachineandassemblymachine,aredevelopedtoconstructmicrofactorysysteminKorea.L4』Sincemicrofactorypossess

theadvantageofflexiblemanufacturingsystemand／orreconfigurablemanufacturingsystem,asmentionedabove,weintroducedtheconceptofmodularreconfigurablemachinestructureinourmicromachinetooldesignformicrofactory.L5-6』Modularreconfigurablemachinetoolscaneasilyperformmachiningprocessesofdifferentkindssuchasmilling,turning,drillingandorgrindingbysimplyaddingorexchangingmachinetoolunitsormodules.

Althoughtheconceptofamodularreconfigurablemachinetoolisalreadywellknown,thereisrarelyseenthetheoreticalapproachtocreatestructuralconfigurationsofamodularreconfigurablemachinetool.L7-8』Wehadstudiedourtheoreticalmethodofcreatingthemachineconfigurationsofmodular-reconfigurablemachinetools

（MRMT）inthepreliminarydesignstage.L5-6』Ourdesignmethodconsistsofdualsteps；

oneisthemachineconfigurationgenerationstepusingthecryptographicmapping,theotheristhemachiningabilityteststep.L5-6』WeobtainedthefinalfeasibleconfigurationsforMRMTinthispreliminarydesignstage.AndweconcretelydesignedthestructuralmodulesandRMTsafterreviewingallfeasibleconfigurations.OurRMTmodelhasmorethanl0structuralmodulesand4functionalmodulesfor3-axisverticalmicromillingmachineandmicroturningmachine.

AndthenthedynamiccharacteristicsincludingnaturalfrequenciesanddynamicstiffnessofthedevelopedMRMTwereanalyzedandexaminedbyusingF.E.M.andimpacthammertest.Finally,weevaluateperformanceofourprototypeRMT.

3.MRMTDESIGNMETHODOLOGY

•Mathematicalrepresentationofconnectivity

Thismethodologyprovidesatheoreticalmethodofcreatingstructuralconfigurationsofmodularreconfigurablemicromachinetoolsinthepreliminarydesignstage.Thetwokeyfeaturesofourdesignmethodologyaretheuseofcryptographicmappingandmachiningfunctionproving.Fig.lshowstheoverviewofthemethodology.

Firstoverall,theinformationofthemodulesdoesstoreinmodulelibrary.Togeneratethemachineconfigurationsbyusingacryptographicmappingprocess,theposturevectorofeachunitmodulewasencodedintobinarycodeandthenstoredall

thestructuremodules（graphicfiles）andassociateddigitalcodesinthemodulelibrary.Theposturevectorisavectorwhoseelementsrepresentcombiningdirectionsateachcombiningplanesofaunitmodule.Next,themachineconfigurationswerecreatedbyusingbilinearformexpansionofanytwoadjacentposturevectorsandtheirconsecutivemultiplication.Andthestructuralconfigurationsingraphicformwereobtainedbydecodingallthebinarycodedconfigurations,whichareobtainedfromtheabovebilinearformexpansionoftheposturevectors.Finally,themachiningabilityteststep,whichisaccomplishedbyusingtheruleofprincipalmachiningmotionandscalarproductofthedirectionvectorsofthetoolandthework-piecefora