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中北大學分校畢業(yè)設(shè)計（論文） 摘 要: 分析了電話機外殼下蓋的塑件工藝特點。介紹了電話機外殼下蓋注射成型結(jié)構(gòu)及模具的工作過程和電話機外殼下蓋注射模具結(jié)構(gòu)的設(shè)計方法。分析了模芯零件的選材、熱處理、下蓋的塑件的機構(gòu)要素，塑件的尺寸公差和精度選擇。此電話機外殼注射設(shè)計特點是：點澆口形式的雙分型面的注射模,采用斜桿導滑的斜滑塊分型抽芯機構(gòu)。 關(guān) 鍵 字 ：電話機外殼下蓋；滑塊； 注射模具 Abstract 　　Analyzed under the telephone outer covering to cover models the craft　characteristic. Introduced under the telephone outer covering covers　the injection to take shape the structure and the mold work process　and under　the telephone outer covering covers the injection mold　structure the design method. Analyzed the mold core components　selection, the heat treatment, under has covered models the　organization essential factor, modelled the size common difference and　the precision choice. This telephone outer covering injection design　characteristic is: Runner form duplex profile injection mold,Uses the strut to lead the slippery slanting slide minute to pull out　the core organization. Keywords : Under the telephone outer covering covers;　 Slide; 　Injects the mold 1