方便饭盒上盖注塑模具的设计设计论文(论文)word格式.doc

目录 1、课程设计任务书 ..................................................................1 2、塑件制品及说明 ..................................................................2 3、设计计算内容及步骤 ..............................................................3 1）塑件设计 ......................................................................3 A、塑料品种 ......................................................................3 B、外观要求 ......................................................................3 C、壁厚及制件体积计算 ............................................................3 D、脱模斜度 ......................................................................4 2）成型工艺设计.....................................................................4 3）模具结构设计 ..................................................... ..............4 4）设计计算 ............................................................ ...........4 A、成型零件的工作尺寸计算 .............................................. .........4 B、型腔及模板的刚度及强度计算 ....................................... ............5 C、浇注系统设计计算 ..............................................................6 D、脱模阻力计算 ..................................................................6 E、模具冷却水道设计计算 ..........................................................7 5）注射机的选择 ....................................................................7 A、最大注射量校核 ................................................................7 B、注射压力校核 ..................................................................8 C、锁模力校核 ....................................................................8 D、流动比校核 ....................................................................8 E、开模行程及顶出行程校核.........................................................8 6）模具与注射机安装模具部分相关尺寸的校核 ........................................8 A、喷嘴尺寸 ......................................................................9 B、定位圈尺寸 ....................................................................9 C、最大及最小模厚 ................................................................9 D、模