综述了微注射成型技术存在的问题和改进方法，探讨了微注射成型机的塑化、注射和计量等装置的结构性能改进，并提出了监测系统的改进方案。

In order to solve the problems in the micro injection molding, some measures of improvement in the plasticizing, injection, metering units, and monitoring system were proposed.

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对聚合物电磁动态塑化挤出机螺杆轴向振动系统，根据牛顿型粘性流体的剪切理论，确定了聚合物熔体的阻尼系统。

Based on the shear theory of Newtonian viscous liquid, the fusible damp coefficient is established for electromagnetism dynamic polymer Extruder screw's axial vibration system.

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系统实验及其在新型塑料电磁动态塑化挤出机的实际应用结果令人满意。

The results of the experiment and the application of the extruder are satisfactory.

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