文档介绍：1 目录摘要前言一、塑料的工艺性设计.................................................... ........... ............................ ...........7 (1) 、注塑模工艺.......................................................... ........... .......................... ............7 (2) 、化学和物理特征...................................................... ........... ........................ ..........8 (3) 、塑件的尺寸与公差................................................ ........... .....................................7 1、塑件的尺寸与公差......................................... ....................... ..................................8 2、塑件尺寸公差标准.............................................. ......................................................8 3、塑料的表面质量....................................................... .................................................8 二、注射成型机的选择.................................................................. ......... ........................... 9 三、型腔布局与分型面设计......................................................... ....................... ...............9 (1) 、型腔数目的确定........................................................................ .............................8 (2) 、型腔的布局................................................................. ................................. .......10 (3) 、分型面的设计...................................................... .................................................10 四、浇注系统设计................................................ ............................................................11 (1) 、主流道设计......................................... ..................................................................12 (2) 、主流道衬套的固定...................... .........................................................................12 (3) 、分流道的设计........... ............................................................................................13 (4) 、浇口的设计...........................................................................................................15 五、成型零件的设计.