版次：B执行日期：目錄第一篇产品一、抄图--------------------------------------------------------------------------------1-2二﹑产品分析与检测-----------------------------------------------------------------3-4三﹑常用塑料分析（一）常用塑料缩水率-------------------------------------------------------------5（二）常用塑料成型性能----------------------------------------------------------5（三）常用塑料壁厚值-------------------------------------------------------------6（四）常用塑料拔模角度----------------------------------------------------------6第二篇模具一、排位----------------------------------------------------------------------------------7二﹑模具系统设计（一）浇注系统1.1主流道------------------------------------------------------------------------81.2分流道------------------------------------------------------------------------81.3冷料井------------------------------------------------------------------------91.4浇口--------------------------------------------------------------------10-121.5转水口-----------------------------------------------------------------------121.6典型产品流道浇口布置----------------------------------------------12-13（二）内模结构------------------------------------------------------------------14-16（三）行位系统3.1行位----------------------------------------------------------------------17-233.2斜顶----------------------------------------------------------------------23-24（四）顶出系统4.1顶出系统设计要点--------------------------------------------------------254.2顶出机构的基本方式4.2.1顶针--------------------------------------------------------------------25-274.2.2司筒--------------------------------------------------------------------28-294.2.3扁顶针---------------------------------------------------------------------294.2.4直顶--------------------------------------------------------------------30-314.2.5推板------------------------------------------------------------------------314.3先复位机构-------------------------------------------------------------31-32(五)冷却系统5.1.运水位置----------------------------------------------------------------33-345.2.水路大小--------------------------------------------------------------------345.3.水路与模胚位置关系-------------------------------------------------34-355.4.水井--------------------------------------------------------------------------35(六)导向定位系统------------------------------------------------------------------36(七)排气系统7.1产品排气--------------------------------------------------------------------377.2导套排气槽-----------------------------------------------------------------387.3尼龙螺丝排气孔-----------------------------------------------------------38（八）模胚结构件8.1撑头---------------------------------------------------------------------------398.2垃圾钉------------------------------------------------------------------------398.3锁模机构---------------------------------------------------------------------39三﹑细水口模设计-------------------------------------------------------------------40-41四、模具零部件材料选择----------------------------------------------------------42-43五、典型产品结构设计1．中层---------------------------------------------------------------------------442．CD门--------------------------------------------------------------------------453．CD机...
