工业机器人毕业论文外文翻译.doc

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1、ABSTRACTAworkstationandmethodforprocessingapluralityofworkpiecesincludesatleastonematerialhandlingrobotmovablealongaprocessingpathforsupportingaworkpiecetobemovedalongtheprocessingpath.Atleastonestationcanbedefinedbyatleastoneprocessingpositionadjacenttheproce

2、ssingpathforreceivingworkpiecestobeprocessedwhendeliveredandpositionedbytheatleastonematerialhandlingrobot.Interchangeableendeffecterscanbecon-nectedtothematerialhandlingrobotforholdingandsup-portingdifferentconfigurationsofworkpieces.Thematerialhandlingrobotc

3、andisengagefromtheendeffecterattheprocessingposition,toallowengagementwithaprocessingtoolforperformingadditionalprocessingoperationsontheworkpiece.Aflexiblebodyworkstationforassemblingworkpiecescanusemultiplerobotsand/ormultiplefixturesforprocessingdifferentwo

4、rkpiececonfigurationsinanysequentialorderalongtwoprocessingpaths.RELATEDAPPLICATIONSThepresentapplicationclaimsthebenefitofpro-visionalapplicationSer.No.60/548,129filedonFeb.26,2004andSer.No.60/618,422filedonOct.13,2004.FIELDOFTHEINVENTIONThepresentinventionre

5、latestoaflexiblebodyworkstationforassemblingworkpiecesusingmultiplerobotsandmultiplefixtures,andmorespecifically,thepresentinventionprovidesweldingworkstationsforauto-motiveassemblylineshavingmultipleindependentlywork-ingweldingrobotsandmultiplefixturesforhold

6、ingwork-pieces.BACKGROUNDOFTHEINVENTIONTheefficiencyofaweldingworkstationcanbedefinedbytheamountoftime,normallyapercentage,thataweldingrobotspendsweldingcomparedtothetotaltimerequiredforaparticularrepetitivecycle.Theefficiencyoftheworkstationrelatestotheamount

7、oftimethataweldingrobottakestoperformvariousweldingoperationscomparedtothetotalamountoftimethattheweldingrobotrequiresforaparticularrepetitivecycle.Idletimeforaweldingrobotcanoccurwhenanewworkpieceisloadedandpreparedinafixture.Iftheworkstationhasoneweldingrobo

8、tandonefixture,theweldingrobotwillstandidleasacompletedpartisunloadedfromthefixtureandanewworkpieceisloadedontothefixture.Inthepriorart,thisproblemwasaddressedbyaddingasecondfixtur