Combined with the actual production,insert porthole die is designed.The insert porthole die is such a kind of die that the integral die is divided into a lot of packages,which are bulit up into one at last.The insert porthole die can save material,improve quality,prolong life and reduce cost greatly.In the ac～tual production,the unique advantages and good practicality are shown.%结合生产实际，研究设计出了镶片分流模。镶片分流模就是把原本整体的分流模分成了多个组件，最后再组装起来的一种模具。镶片分流模能节省模具材料、提高产品质量、延长模县寿命并大大降低了成本，在实际生产中逐步反映出其独特的优点和良好的实用性。
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