外文翻译---用于塑料注射模具设计和生产的自动基准尺寸 英文.pdf

DOI10.1007/s00170-004-2374-2ORIGINALARTICLEIntJAdvManufTechnol(2006)28:370–378C.L.Li·K.M.Yu·Y.H.LeeAutomaticdatumdimensioningforplasticinjectionmoulddesignandmanufacturingReceived:7May2004/Accepted:10August2004/Publishedonline:20April2005©Springer-VerlagLondonLimited2005AbstractDatumdimensioning(orordinatedimensioning)tech-niqueisverypopularinplasticinjectionmoulddrawingswherethelocationdimensionsofalargenumberofholefeaturesmustbespecifiedinthedrawingsofthemouldplates.Althoughcom-mercialCAD/CAMsystemsprovidesemi-automatictoolstoas-sistthedesignerinthedimensioningprocess,itisstillaverytediousprocess,astheuserhastospecifythelocationofeachdi-mensiontag.Thispaperreportsacompletelyautomaticmethodwhereoptimalplacementsofthedimensiontagscanbedeter-mined.Themethodemploysdynamicprogrammingtechniquetooptimizethedimensionprocesswithrespecttoseveralcriteriathatcanbeselectedbytheuser.Themethodhasbeenimple-mentedandincorporatedintoacommercialCAD/CAMsystem,andexamplesaregiventoillustratetheimportantf