微型齿轮注塑成型的模拟分析和模具设计Gearsofmicro-injectionmoldingsimulationanalysisandmolddesign摘要塑料工业是当今世界上增长最快的工业门类之一，而注塑模具是其中发展较快的种类，如模具的CAD/CAM技术，模具的激光快速成型技术，模具的精密成形技术，模具的超精密加工技术。因此，研究注塑模具对了解塑料产品的生产过程和提高产品质量有很大意义。本设计介绍了微型齿轮注射模的设计与制造方法，详细介绍了冷流道注射模具浇注系统、温度调节系统和顶出系统的设计过程，并对模具强度要求做了说明；最后介绍了当今世界上最为普及的三维CAD/CAM系统标准软件PRO/ENGNEER的PROGRAM模块，对导柱和导套进行了参数化设计。该注射模采用了1模8腔的结构。关键词：微型齿轮注射模具设计ABSTRACTPlasticindustryisintheworldgrowsnowoneofquickestindustryclasses,butcaststhemoldisdevelopmentquicktype.Ifmold'sCAD/CAMtechnology,mold'slaserfastformationtechnology,mold'spreciseformtechnology,mold'sultraprecisionsizingtechnology.Therefore,theresearchcaststhemoldtounderstandtheplasticproducttheproductionprocessandimprovestheproductqualitytohavetheverybigsignificance.Thisdesignintroducedtheminiaturegearinjectsmold'sdesignandthemanufacturemethod.Introducedindetailthecoldflowchannelinjectionevilspiritmoldpoursthesystem,thetemperaturecontrolsystemandgoesagainstthesystemthedesignprocess,andhasgiventheexplanationtothemoldintensityrequest;FinallyintroducednowintheworldthemostpopularthreedimensionalCAD/CAMsystemstandardsoftwarePRO/ENGNEER'sPROGRAMmodule,andledthewraptotheguidepillartocarryontheparametrizationdesign.Thisinjectionmoldhasused1mold8cavitystructures.keyword：MiniaturegearInjectionmolddesign目录第一章绪论.................................................................................-1-1.1模具工业在国民经济中的重要地位.............................................-1-1.2我国模具工业的现状和发展.........................................................-2-1.3模具技术的国内外现状及发展趋势.............................................-3-1.4微型注射模具的现状与发展前景.................................................-4-1.5毕业设计的目的和意义.................................................................-5-第二章塑料制件设计...................................................................-6-2.1微型齿轮的测绘与设计..................................................................-6-2.2微型齿轮工艺分析..........................................................................-6-2.3微型齿轮塑件材料选用及特性......................................................-8-第三章微型齿轮注射成型的模拟分析......................................-10-3.1流动模拟分析.................................................................................-10-3.2模具温度的模拟分析.....................................................................-11-3.3熔体温度的模拟分析.......................................................-12-3.4注射速率的模拟分析........................................................-13-3.5注射压力的模拟分析........................................................-14-3.6微型齿轮注塑成型的实验研究........................................-15-3.7结论.................................................................................................-16-第四章注射模具总体结构设计...................................................-17-4.1塑件体积的计算.............................................................................-17-4.2计算塑件的质量................
