Abstract
Abstract. The granulation process needs to be accomplished in conjunction with ring die and roller, so the ring die and roller need to have good mechanical properties and service life. Based on full study of domestic and international pellet mill, a kind of small pellet mill will be designed and its 3D model also will be established with 3D design software PROE. After that, the gradual process of pellets during extruding will be simulated and analyzed based on Finite Element, the internal stress and displacement fields in the extrusion will be gotten, the deformation trends and friction during the extrusion stress distribution were analyzed. The results can provide a reliable scientific basis for correct design of pellet mill. The results can provide theoretical basis for the optimization design of pellet mill, improve it’s service life, reduce the development cost and provide the basis for high efficiency and low energy consumption production of feed manufacturers and enterprises.
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