注塑成型经济性智能评估理论与系统研究

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1、上海交通大学博士学位论文注塑成型经济性智能评估理论与系统研究姓名：王辉申请学位级别：博士专业：材料加工工程指导教师：阮雪榆;周雄辉20020801AbstractGlyingafast．accurateevaluationtotheeconomicproblemjsanimportantfactorforacompany．Themaininterestsofinjectionmoldingarehowtoimprovethequalitiesoftheproducts，andtheothereconomicindexes，suchascostandtime，a

2、repoorlyconcerned．Ingeneral，ifeconomicproblemsareencountered，experiencedmethodsarealwaysusedbutfloaccuratequantitativemethodsareobtained．Soitisdifficulttoadapttothedemandsofeconomicdecision-·makingforacompany．Inthispapeainjection-moldingeconomicproblemsareconsidered，andspecialquanti

3、tativeanalyticmethodsareproposed．Theoriesofadvancedmanufacturingtechnologiesarefirstanalyzed．Thentheactualitiesabouttheresearchonmanufacturingfieldeconomicestimationandtheresearchoffinjection-moldingeconomicestimationarealldiscussed．Onthebasisofthesebackgrounds，specialstudiesarecarr

4、iedon．Onthebasisofanalyzinginjectionpartcomplexityindexandinjectionmouldcomplexityindex，therelationshipbetweeninjectionpartfeatureandinjectionmouldcostarepointedout．Thesystemframeworkstudiedinthispaperaregiven，whichincludesinjectionmoldingmanufacturingcostestimationsystemframeworkan

5、dinjectionmoldingeconomicestimationsystemframeworkunderagilemodels．InjectionmoldingDFXintegratedinformationmodelsaresetup，whichincludesinjection．partfeatureinformationmodel．mouldinformationmodel．themechanismbetweeninjectionpartfeaturesandinjectionmouldcavity／corefeatures，mouldproces

6、singdeviceinformationmodel，andmouldcompanymanagementinformationmodel．ThesemodelsprovideagoodplatformforstudyinginjectionmoldingDFXtechnologies．Injectionpartfeatures，whichhaveeffectsonmanufacturingcosts，aleanalyzed．Theconceptsofdesignfeatures，manufacturingfeaturesandassemblyfeaturesa

7、rediscussed．Themanufacturingfeaturesaredividedintobasicfeatures，subsidiaryfeaturesandside—actionfeatures．TheparametricmethodstudiedbyDixon＆Pollisstudiedindetail，anewECEFmethodisproposedhere．Thismethodovercomestheinjectionmouldcostanalysis—relateddifficulties，whichincludeinjectionmol

8、dingtoleranceandsut