Research and Prediction of Wear Characteristics of Alfalfa Densification Die Based on the Discrete Element Method
Haijun Du,
Hailong Du,
Yanhua Ma
et al.
Abstract:In this study, the wear characteristics of the die were tested and analyzed through compaction tests, and the distribution of wear depth along the direction toward the extrusion outlet was obtained. A discrete element method (DEM) model of the die’s wear process was established. The results show that the severe wear area is located near the stop position of the compression rod, forming a plow-shaped wear area along the extrusion direction, accompanied by fatigue peeling. The wear depth gradually decreases towa… Show more
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