仪表外壳塑料模设计

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1、塑料成型工艺与模具设计课程设计说明书设计课题：“仪表外壳”成型模具设计设计者:王炜东专业:模具设计与制造班级:241020设计时间:2012.6.15指导老师:李成凯学号：0717目录一.塑件成型工艺卡·········································4二.塑料的工艺性设计·······································52.1该制件的材料分析······································52.2.制件的尺寸精度分析······

2、······························62.3塑件结构工艺分析······································6三.编制塑件成型工艺参数····································6四.初步选择注射成型设备····································74.1根据最大注射量初选设备·································74.2依据最大锁模力初选设备·····················

3、············7五.分型面的确定与浇注系统的设计·····························85.1确定型腔数目及布置····································85.2选择分型面·············································95.3浇注系统的设计·········································10六.17注射模具结构类型及模架的选用·····························

4、126.1确定模架组合形式·······································126.2确定模仁大小···········································136.3模架的确定和标准模架的选用·····························136.4确定C板（垫块）的厚度·································136.5选择模架内型···········································146.6检

5、验所选模架···········································14七.成型零件的设计···········································157.1成型零件结构设计········································157.2成型零件的工作尺寸计算··································15八.设计注射模具调温系统······································188.1

6、冷却水体积流量··········································188.2冷却管道直径的确定······································198.3冷却系统结构············································19九.推出机构的设计············································199.1推出机构设计原则··································17··

7、·····199.2计算推出力··············································209.3推出机构的导向与复位····································219.4推出机构的主要零部件的设计及制造·························219.5推杆的位置与布局·········································23设计题目1：“仪表外壳”成型模具设计仪表外壳塑件图塑件技术要求：1.材料：ABS2.生产批量：中

8、等批量3.未注公差：取MT5级精度设计要求：（1）编制模塑成型工艺规程（即填写“塑件成型工艺卡”）（2）绘制塑件注射模总装图（A3图纸1张）（3）绘制该模具凸模、凹模的零件图各一套（A3图纸多张）（4）编写完善模具设计说明书（按A4打印纸装订）一.塑件成型工艺卡塑件成型工艺卡塑件名称仪表外壳17材料牌号ABS单件重量10.2g成型