叙述了外壳注射模在试模中出现的问题，分析了问题产生的原因并改进了模具结构。
The questions of testing outer covering injection mold are stated, analysis on the reason and the mold structure is improved.
本文研究了在不同的熔体温度和模具温度下，注射成型的聚丙烯塑料试样的静态和动态力学性能；
The static and dynamic mechanical properties have been studied for PP that have been injected at different melt temperature and mold temperature.
塑料的成型收缩率直接关系到制品的形状和尺寸精度，因此在塑料注射成型的模具设计中，迫切需要预测制品的成型收缩率。
The shrinkage of plastic products is a very important parameter and need to be forecast during the design of injection molds, which affects the shape and size precision of the products.
应用推荐