针对德国DORST公司生产的TPA140型粉末压机的主机构进行分析研究，根据压制曲线和脱模曲线分析了主机构的结构组成和工作原理。
Based on the stroke curve and pattern drawing curve, the structure of main mechanism of TPA140 powder press made by DORST company of Germany is analyzed in this paper.
通过对挤压过程压制力和位移曲线的分析，提出了对挤压过程三个阶段的合理划分。
The extrusion is successfully divided into three ideal stages through the analysis on the pressing force and displacement curve in the process of extrusion.
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