目次0前言..........................................................10．1塑料及塑料工业国内外研究概况及发展趋势..........................................................10.1.1塑料模具CAD/CAM技术的现状...........................................................................10.1.2塑料模具CAD/CAM的发展趋势...........................................................................20．2塑料模具中新技术的应用..........................................................................................31、设计的内容、目的和意义......................................41.1本课题设计内容.............................................................................................................41.2本课题设计的要求.........................................................................................................41.3本课题设计目的和意义.................................................................................................42、塑料成形条件和成形特性......................................52.1塑料成形条件.................................................................................................................52.2成形特性.........................................................................................................................52.3无定形料.........................................................................................................................62.4吸湿性.............................................................................................................................62.5模具设计时要注意的要素.............................................................................................63、塑件的结构分析及模流优化设计方案............................73.1塑件的结构分析.............................................................................................................73.2精度和表面粗糙度.........................................................................................................83.2.1塑件的尺寸精度........................................................................................................83.2.2塑件表面粗糙度的确定............................................................................................83.3模流分析优化设计.......................................................................................................83.3.1网格划分及修改结果................................................................................................93.3.2最佳浇口位置的选择................................................................................................94、模具总体结构方案的拟定.....................................154.1模具类型的选择.........................................................................................................154.2分型面设计.................................................................................................................154.3型腔数量的确定.........................................................................................................154.4模具结构的总体方案的比较.....................................................................................154.5比较结果.....................................................................................................................165﹑设备的型号及选择...........................................175.1注射成型工...
