Research on machining allowance distribution optimization based on processing defect risk

《Research on machining allowance distribution optimization based on processing defect risk》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、Authorname/ProcediaCIRP00(2016)000–00039thInternationalConferenceonDigitalEnterpriseTechnology-DET2016–“IntelligentManufacturingintheKnowledgeEconomyEraResearchonmachiningallowancedistributionoptimizationbasedonprocessingdefectriskXiaonanWua,WeiDaia,*SchoolofReliabilityandSystemEngineering

2、,BeihangUniversity,Beijing,china*Correspondingauthor.Tel.:86-138-1058-4286.E-mailaddress:dw@buaa.edu.cnAbstractItisnecessarytocontroleverykeyprocesstomakesuretheoutputqualityoffinalproductisstability.Becausethereexistmanyfluctuatingfactorsduringmultistagemanufacturingprocesses,itisinevitab

3、lethatleadtonumerousmanufacturingdefects,whichwouldmakethequalityoffinalproductatrisk.Inthispaper,amodelaboutprocessingdefectriskisproposedtomeasurethequalityofproducts,whichisassociatedwithmultistagemachiningallowance.Andusethismodeltooptimizemachiningallowancedistributionprogramofmultist

4、agemanufacturingprocess.Amachiningexampleofslidevalve&sleevematchingpartsispresentedtoverifytherationalityofthismodel.©2016TheAuthors.PublishedbyElsevierB.V.Peer-reviewunderresponsibilityoftheScientificCommitteeofthe“9thInternationalConferenceonDigitalEnterpriseTechnology-DET2016.Keywords:

5、Defectrisk;Machiningallowance;Processoptimization;MultistagemanufacturingprocessAuthorname/ProcediaCIRP00(2016)000–00031.IntroductionBathtubcurveofproductlifecycleisinfluencedbydesign,manufacturingprocessesandmaterialaging.Andmanufacturingdefectisthedecisivefactorinproducts’earlyfailurerat

6、easwellasinherentfailurerate.Oneimportantmeasuretoensuretheinherentfailurerateofproductsistooptimizingtechnologybasedonmanufacturingdefectsformationmechanismanditscompensationrules.Manufacturingprocessespaycloseattentiontodefects’effectonproductswhichneedtoguaranteetheproducts’inherentreli

7、abilitytomeetthedesignrequirementsasfaraspossible.Manufacturingdefectscanbedividedintotwomaincategoriesaccordingtoitsspecificmanifestationmode:dominantdefectandrecessivedefect.Ingeneral,dominantdefectismainlyreferstothegeometricdefects,includinggeometryout-of-