工业机器人毕业论文文献翻译中英文对照Word文档下载推荐.docx
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@#@ABSTRACT@#@Aworkstationandmethodforprocessingapluralityofworkpiecesincludesatleastonematerialhandlingrobotmovablealongaprocessingpathforsupportingaworkpiecetobemovedalongtheprocessingpath.Atleastonestationcanbedefinedbyatleastoneprocessingpositionadjacenttheprocessingpathforreceivingworkpiecestobeprocessedwhendeliveredandpositionedbytheatleastonematerialhandlingrobot.Interchangeableendeffecterscanbecon-nectedtothematerialhandlingrobotforholdingandsup-portingdifferentconfigurationsofworkpieces.Thematerialhandlingrobotcandisengagefromtheendeffecterattheprocessingposition,toallowengagementwithaprocessingtoolforperformingadditionalprocessingoperationsontheworkpiece.Aflexiblebodyworkstationforassemblingworkpiecescanusemultiplerobotsand/ormultiplefixturesforprocessingdifferentworkpiececonfigurationsinany@#@sequentialorderalongtwoprocessingpa@#@ths.@#@RELATEDAPPLICATIONS@#@Thepresentapplicationclaimsthebenefitofpro-visionalapplicationSer.No.@#@60/548,129filedonFeb.26,2004andSer.No.60/618,422filedonOct.13,2004.@#@FIELDOFTHEINVENTION@#@Thepresentinventionrelatestoaflexiblebodyworkstationforassemblingworkpiecesusingmultiplerobotsandmultiplefixtures,andmorespecifically,thepresentinventionprovidesweldingworkstationsforauto-motiveassemblylineshavingmultipleindependentlywork-ingweldingrobotsandmultiplefixturesforholdingwork-pieces.@#@BACKGROUNDOFTHEINVENTION@#@Theefficiencyofaweldingworkstationcanbedefinedbytheamountoftime,normallyapercentage,thataweldingrobotspendsweldingcomparedtothetotaltimerequiredforaparticularrepetitivecycle.Theefficiencyoftheworkstationrelatestotheamountoftimethataweldingrobottakestoperformvariousweldingoperationscomparedtothetotalamountoftimethattheweldingrobotrequiresforaparticularrepetitivecycle.Idletimeforaweldingrobotcanoccurwhenanewworkpieceisloadedandpreparedinafixture.Iftheworkstationhasoneweldingrobotandonefixture,theweldingrobotwillstandidleasacompletedpartisunloadedfromthefixtureandanewworkpieceisloadedontothefixture.Inthepriorart,thisproblemwasaddressedbyaddingasecondfixtureattheworkstationwithinreachofasingleweldingrobot.Inaworkstationwithtwofixtures,theweldingrobotcancompleteweldingoperationsatonefixturewhileworkpiecesarebeingloadedandunloadedatthesecondfixture.Whentheweldingprocessiscompleteatthefirstfixture,theweldingrobotcanmovetothesecondfixtureandimmediatelycommencewelding.@#@Theamountoftimethataworkpieceispositionedinafixturewhileworkisbeingperformedcomparedtothetotalamountoftimethataworkpieceispositionedinafixturecorrespondstoworkpieceefficiency.Theamountoftimethataworkpiecesitsidleinafixturereducestheoveralloperatingcapacityoftheworkstationbyreducing@#@through-put,normallyreportedinpartsperhourorsimilarunitsfortheoverallassemblyprocess.Inaworkstationhavingonefixtureandoneweldingrobot,theamountoftimethataworkpiecesitsidleinthefixtureisminimizedbecausetheweldingrobotimmediatelycommencesweldingoperationsassoonasaworkpieceisloadedandanyothersetupproceduresarecompleted.However,inaworkstationthathastwofixturesandoneweldingrobot,aworkpieceisloadedontoonefixture,issetup,andthensitsidleuntiltheweldingrobotcompletesweldingoperationsatthesecondfixture.Therefore,inaworkstationhavingonefixtureandoneweldingrobot,theworkpieceefficiencyismaximizedwhileinaworkstationhavingtwofixturesandoneweldingrobottheweldingefficiencyismaximized.Itisdesirabletoprovideaworkstationwhereintheweldingefficiencyandtheworkpieceefficiencyarebothenhanced.@#@SUMMARYOFTHEINVENTION@#@Thepresentinventioncanincludeasingleorapluralityofsimilarworkstationspositionedinsequence@#@alonganassemblyline.Amovablematerialhandlingtransportationortransferrobotcanbelocatedinbetweenadjacentworkstationsformovingworkpiecesfromoneworkstationtothenext.Thepresentinventioncanalsoincludearobotforprocessingtheworkpieceswhileheldbythematerialhandlingtransferrobotinbetweentheadjacentworkstations.@#@Thepresentinventionincludesaflexiblebodyshopforassemblingworkpiecesusingasingleormultiplerobotsandasingleormultiplefixtures.Thepresentinventionincludesmovablematerialhandlingrobots,andstationarymaterialprocessingrobotsincombinationattheflexiblebodyworkstation.Theworkstationcanperformprocessingoperationsonmultipleworkpiecessequentially,andperformsdifferentprocessingoperationsthroughtheworkstationsimultaneously.The