塑料模课程设计报告连接座成型模具设计.doc

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1、目录塑料成型工艺与模具设计课程设计任务书····················11编制塑件成型工艺卡·········································22塑件成型工艺分析与设计·····································32.1ABS特性··················································32.2塑件原材料成型性能·········································32.3塑件的结构和尺寸精度、表面质量分析·············

2、············42.4塑件成型方法确定···········································43塑件成型模具设计············································43.1型腔的数量和布置···········································43.2选择注塑机型号及其参数·····································43.3确定分型面·················································63.

3、4浇注系统选择和设计·········································63.5成型部件的设计计算·········································83.6排气系统设计···············································93.7模架的确定和标准件选择（示意图）·····························93.9温度调节系统设计···········································103.10推出机构（脱模）设计·······

4、································113.11导向机构设计···············································114设计小结·····················································115参考文献······················································11..附录（模具总装图和零件图）····································11“塑料成型工艺与模具设计”课程设计任务书课题

5、设计名称：连接座的注射模设计塑件图：塑件名称连接座材料ABS厚度3工件精度5..设计容：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）3、绘制该模具凸模、凹模的零件图各一套（A3图纸多）4、编写完善模具设计说明书（按A4打印纸装订）1塑件成型工艺卡塑件成型工艺卡塑件名称塑件草图..材料牌号ABS单件重量25.9g成型设备型号XS-ZY-125每模件数1成型工艺参数材料干燥干燥设备名称烘箱温度/℃80~90时间/h2~3成型过程料筒温度后段/℃150~170中段/℃165~180前段/℃180~220喷嘴/℃170~180模具温度

6、/℃50~80时间注射/s20~90保压/s0~5冷却/s20~120压力注射/MPa60~100保压/MPa后处理温度/℃70时间/min120~240编制日期审核日期2塑件成型工艺分析与设计2.1ABS的特性（1）化学和物理特性ABS是由丙烯腈、丁二烯和苯乙烯共聚物三种化学单位合成，每种单体都有不同特性；丙烯腈有高强度，热稳定性及化学稳定性；丁二烯具有坚韧性，抗冲击特性；苯乙烯具有易加工，高光洁及高强度。从形态上看，ABS是非结晶性材料。三种单体的聚合产生了具有两相的三元共聚物，一个是苯乙烯—丙烯腈的连续相，另一个是聚丁二烯胶分散相。这就决定了ABS材料的耐高温性、抗

7、冲击性及易加工性等多种特性。缩水率为0.5%。ABS有良好的机械强度和一定的耐磨性、耐寒性、耐油性、耐水性、化学稳定性和电气性能，有一定的硬度和尺寸稳定性，易于成型加工且易着色，几乎不受酸、碱、盐及水和无机化合物的影响。密度为1.08~1.2g/cm3使用温度在－40~100℃，紫外线作用下容易氧化分解。（2）典型应用围..水箱外壳、蓄电池槽、电机外壳、齿轮、把手等等。（3）ABS注塑模工艺条件干燥：ABS材料具有吸湿性，要求在加工之前进行干燥处理。建议干燥条件为80~90C下最少干燥2小时。材料温度应保证小于0.1%。熔化温