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一模四腔的塑料模具毕业设计论文.docx

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编号：时间：2021年x月x日书山有路勤为径学海无涯苦作舟页码：毕业设计论文一模四腔的塑料模具设计姓名：班级：学号：目录第一章拟定模具结构形式·······················································································1第一节确定型腔数量及排列方式··········································································1第二节模具结构形式的确定··················································································1第二章注射机型号的确定·······················································································2第三章分型面位置的确定····················································································2第四章浇注系统形式和浇口的设计·····································································3第一节主流道设计··································································································3主流道尺寸······································································································32.主流道衬套的形式··························································································33.主流道衬套的固定·······························································································4第二节分流道设计··································································································51.主分流道的形状及尺寸··················································································52.主分流道长度··································································································63.副分流道的设计······························································································64.分流道的表面粗糙度······················································································65.分流道的布置形式··························································································7第三节浇口的设计··································································································71.浇口的选用······································································································82.浇口位置的选择···········································································