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Areviewandanalysisofcurrentcomputer-aidedfixturedesignapproachesIainBoyle,YimingRong,DavidC.BrownKeywords:Computer-aidedfixturedesignFixturedesignFixtureplanningFixtureverificationSetupplanningUnitdesignABSTRACTAkeycharacteristicofthemodernmarketplaceistheconsumerdemandforvariety.Torespondeffectivelytothisdemand,manufacturersneedtoensurethattheirmanufacturingpracticesaresufficientlyflexibletoallowthemtoachieverapidproductdevelopment.Fixturing,whichinvolvesusingfixturestosecureworkpiecesduringmachiningsothattheycanbetransformedintopartsthatmeetrequireddesignspecifications,isasignificantcontributingfactortowardsachievingmanufacturingflexibility.Toenableflexiblefixturing,considerablelevelsofresearchefforthavebeendevotedtosupportingtheprocessoffixturedesignthroughthedevelopmentofcomputer-aidedfixturedesign(CAFD)toolsandapproaches.Thispapercontainsareviewoftheseresearchefforts.Overseventy-fiveCAFDtoolsandapproachesarereviewedintermsofthefixturedesignphasestheysupportandtheunderlyingtechnologyuponwhichtheyarebased.Theprimaryconclusionofthereviewisthatwhilesignificantadvanceshavebeenmadeinsupportingfixturedesign,thereareprimarilytworesearchissuesthatrequirefurthereffort.ThefirstoftheseisthatcurrentCAFDresearchissegmentedinnatureandthereremainsaneedtoprovidemorecohesivefixturedesignsupport.Secondly,agreaterfocusisrequiredonsupportingthedetaileddesignofafixture’sphysicalstructure.2010ElsevierLtd.Allrightsreserved.Contents1.Introduction………………………………………………………………………………………22.Fixturedesign…………………………………………………………………………………….23.CurrentCAFDapproaches……………………………………………………………………….43.1Setupplanning…………………………………………………………………………….43.1.1Approachestosetupplanning……………………………………………………...43.2Fixtureplanning…………………………………………………………………………..43.2.1Approachestodefiningthefixturingrequirement…………………………………63.2.2Approachestonon-optimizedlayoutplanning…………………………………….63.2.3Approachestolayoutplanningoptimization………………………………………63.3Unitdesign………………………………………………………………………………...73.3.1Approachestoconceptualunitdesign
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