impact moulding,shock moulding是什么意思

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The technological innovations of rubber and plastic molding and injection equipment;

橡塑模压和注压装备的技术革新

The compression molding process of such long fiber reinforced PP was investigated.

　采用粉末浸渍的方法制备连续玻璃纤维增强聚丙烯预浸料,经切割获得长纤维增强聚丙烯粒子,采用单螺杆挤出机挤出形成模塑料,探索了模塑料的压缩模塑成型工艺,研究了成型后材料的力学性能及其影响因素。

A mathematical model of heattransfer in partwas established to simulate thermalbehav- ior of GMT parts during compression molding,coupled with non- isothermal crystallization kinetics of polypropylene.

采用有限元方法 ,对 PP/ GMT制品压缩模塑的冷却与结晶过程进行数值模拟 ,采用非等温结晶模型 ,计算出不同条件下制品中树脂的结晶度和制品内部温度分布 ,并与实验结果进行了对比 ,为压缩模塑中保压冷却时间的确定提供了理论依

The effect of matrix resin,architecture and property of reinforcement,blank design,mold temperature and blank preheat temperature on the fiber distribution during compression molding of glass mat reinforced polypropylene(GMT-PP)was investigated by measuring the fiber content in various areas of GMT-PP after squeezing flow.

通过测定玻璃纤维毡增强聚丙烯经挤压流动后不同区域的纤维含量 ,研究了基体树脂、增强材料的结构与性质、坯料设计、模具温度及坯料的预热温度等对玻璃纤维毡增强聚丙烯在压缩模塑流动过程中纤维分布的影响。