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Optimum Design of Steel-Roll Round Bale Based on EDEM

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org

Citation:  2017 ASABE Annual International Meeting  1701647.(doi:10.13031/aim.201701647)
Authors:   Chechen Kang, Decheng Wang, Guanghui Wang, Jingkui Feng, Zhiheng Lu, Zhao Wang, Xingwei Gu, Laiquan Luo, Dingding Li
Keywords:   EDEM, feeding uniformity, logarithmic spiral, steel-roll round bale.

Abstract. The steel-roll of traditional steel-roll round bale are in a circle arrangement. There are plugging problems during operational process. To solve the problems, a new type of round bale device with logarithmic spiral geometric features was designed. This device consists of a preloading feeding mechanism and the logarithmic spiral type secondary extrusion mechanism. Then make a control experiment by EDEM with crushed corn stalks whose moisture content is 75%. The results show that using the logarithmic spiral feed preloading feeding mechanism with the pressure angle of 10 °, feeding uniformity is significantly improved compared with the circular cavity. The logarithmic spiral type secondary extrusion mechanism with a pressure angle of 10 ° can shorten the bundling time and improve the working efficiency.

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