对几种不同类型压砖机的压制过程进行了动态测试试验；
Dynamic test has been carried out for different type of presses under vorking conditions.
利用计算机模拟粉末压制过程，能有效地缩短设计周期，降低设计成本。
Computer simulation of powder compaction is helpful to speed up the process of designing and manufacturing powder metallurgy components, and saving cost.
针对铁粉材料，建立了一种新的数学模型，用于描述压制过程力学性能变化。
An improved mathematical model was established to describe the mechanical behavior of Fe powder compacting process. Compared to other models, this one is simpler, more precise.
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