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基于层次分析法FDM工艺中分层方案的决策(英文).docx

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基于层次分析法FDM工艺中分层方案的决策(英文) Decision-makingonHierarchicalSchemeinFDMProcessBasedonAnalyticHierarchyProcess Introduction Fuseddepositionmodeling(FDM)isapopularadditivemanufacturingtechnologythathasgainedwideadoptioninprototypingandpartsproduction.Thistechnologyproducespartsbyaddingmaterialinalayer-by-layermanner,therebycreatingaphysicalobjectbasedona3Dcomputermodel.FDMtechnologyhasseenseveralmodificationsovertheyears,withnewmethodsbeingdevelopedformorepreciseandefficientmanufacturing.TheprocessofcreatinganFDMmodelincludesseveralstepsthatmustbefollowed,oneofthemostimportantofwhichisthehierarchicalscheme.Thehierarchicalschemedeterminestheorderinwhichthelayersaretobeprinted,whichhasasignificantimpactonthequalityandstrengthoftheresultingpart. Thescopeofthispaperistoexplorethedecision-makingprocessfordeterminingthehierarchicalschemeintheFDMprocessandtohighlighttheimportanceofutilizingananalytichierarchyprocess(AHP)tomakethesedecisions. HierarchicalSchemeinFDMProcess TheFDMprocessisbasedonaddingmaterialtothepreviouslayerstocreatethefinalthree-dimensionalproduct.Thelayeringprocessensuresthefinalproductismadetotherequiredspecifications.ThehierarchicalschemedictatestheorderofprintingthelayersandisanessentialstepintheFDMprocess. ThehierarchicalschemeintheFDMprocessisdecidedbasedonvariousfactors,includingthegeometryofthemodelandthepropertiesofthematerialusedfortheprintingprocess.Thedecision-makingprocessrequirescarefulconsiderationastheorderofprintingthelayerscansignificantlyimpactthefinalproduct'squality. AHPinHierarchicalSchemeDecision-Making TheAnalyticHierarchyProcess(AHP)isawidelyrecognizedtoolusedtomakecomplexdecisions.ThisprocesswasfirstdevelopedbyT.L.Saatyandhassincebeenutilizedinvariousfields.AHPprovidesastructuredandsystematicframeworkforbreakingdowncomplexdecisionsintosmallerparts.Thisprocesspresentsamoregranularviewofthedecision-makingprocess,enablingamoredetailedanalysisofthevariousfactorsaffectingthedecision. AHPisamulti-criteriadecision-makingprocessusedtoevaluateav