前 言 ..............................................................................................................................................................3
第一章 塑料制件的工艺性分析 ..................................................................................................................3
1.1 制件原料的工艺性 ............................................................................................................................3
1.2 塑料制件的结构工艺性 ....................................................................................................................3
第二章 初步选择注射机 ..............................................................................................................................4
2.1 制品 ABS 的注塑成型参数 ..............................................................................................................4
2.2 计算制件的体积和质量 ....................................................................................................................4
2.3 选择注射机 ........................................................................................................................................5
2.4 确定型腔数量 ....................................................................................................................................5
2.5 确定分型面 ........................................................................................................................................6
2.6 型腔的布局 ........................................................................................................................................6
第三章 浇注系统设计 ..................................................................................................................................7
3.1 主流道的设计 ............................................................................................................................7
3.2 分流道的设计 ............................................................................................................................9
3.3 浇口的设计 ................................................................................................................................9
3.4 冷料穴的设计 ............................................................................................................................9
第四章 冷却系统设计 ..................................................................................................................................9
4.1 冷却系统的设计准则 ..............................................................................................................10
4.2 冷却系统参数的计算 ..............................................................................................................10
4.2.1 冷却介质 ...............................................................................................................................10
4.2.2 冷却水体积流量的计算 .......................................................................................................10
4.2.3 冷却管道直径 .......................................................................................................................10
4.2.4 冷却回路所需的总表面积 ...................................................................................................10
第五章 铅笔盒模流分析模拟 ..................................................................................................................11
5.1 网格分析 ..................................................................................................................................12
5.1.1 模型的导入 ...........................................................................................................................12
5.2.1 网格划分 ..............................................................................................................................12
5.2 最佳浇口位置分析 ..................................................................................................................13
5.3 成型窗口分析 ..........................................................................................................................14
5.3.1 区域分析 ...............................................................................................................................15
5.3.2 制件质量分析 .......................................................................................................................15
5.3.3 注射压力分析 .......................................................................................................................15
5.3.4 最低流动前沿温度分析 .......................................................................................................16
5.3.5 最大剪切应力分析 ...............................................................................................................16
5.3.6 最大冷却时间分析 ...............................................................................................................17
5.4 充填分析 ..................................................................................................................................18
5.4.1 充填时间分析 .......................................................................................................................18
5.4.2 气穴位置分析 .......................................................................................................................18
5.4.3 熔接痕 ...................................................................................................................................19
5.4.4 流动前沿处的温度 ...............................................................................................................20
5.4.5 充填分析过程信息 ...............................................................................................................20
第六章 成型零件设计 ................................................................................................................................21
