电子类产品结构设计标准目录电子产品结构概述...............................................................................................................................................5第一章塑胶零件结构设计.............................................................................................................................61-1、材料及厚度.........................................................................................................................................61.1、材料的选取...................................................................................................................................61.2壳体的厚度......................................................................................................................................61.3、厚度设计实例...............................................................................................................................71-2脱模斜度.............................................................................................................................................82.1脱模斜度的要点.............................................................................................................................82.2常规斜度举例.................................................................................................................................91-3、加强筋...............................................................................................................................................103.1、加强筋厚度与塑件壁厚的关系.................................................................................................103.2、加强筋设计实例.........................................................................................................................111-4、柱和孔的问题...................................................................................................................................114.1、柱子的问题.................................................................................................................................114.2、孔的问题.....................................................................................................................................124.3、“减胶”的问题.........................................................................................................................121-5螺丝及螺丝柱的设计..........................................................................................................................125.1公司常用塑胶螺丝规格及相应螺丝柱设计.................................................................................125.2用于自攻螺丝的螺丝柱的设计原则.................................................................................135.3不同材料、不同螺丝的螺丝柱孔设计值...................................................................................195.4常用自攻螺丝装配及测试.........................................................................................................205.5螺丝分类（CLASSIFICATIONSOFSCREW）.............................................................................205.6（1）螺丝材料（SCREWMATERIAL）...........................................................................................215.6（2）常见表面处理代号（SURFACEFINISHINGS）...........................
