充电器外壳后盖的注塑模具设计毕业设计

..................31.3.7设计冷却系统.................................................................................31.3.8绘制塑件的组立图..........................................................................31.3.9检查修正........................................................................................42充电器外壳后盖的分析...........................................................................52.1充电器外壳后盖的实物图....................................................................52.2充电器外壳后盖的三维视图................................................................52.3充电器外壳后盖的测绘........................................................................62.4充电器外壳后盖的结构分析................................................................62.4.1确定塑件的表面精度.......................................................................6