%A GUO Qian,, ZHANG Xiliang, XU Yunfeng, LI Pingping, CHEN Cheng, XIE HongweiŠĪ %T EDEM-based simulation and experiment on tomato cane straw cutting performance %0 Journal Article %D 2018 %J Journal of Drainage and Irrigation Machinery Engin %R 10.3969/j.issn.1674-8530.18.1047 %P 1017-1022 %V 36 %N 10 %U {http://zzs.ujs.edu.cn/pgjx/CN/abstract/article_2548.shtml} %8 2018-10-25 %X In order to study the effect of blade structure parameters on the cutting efficiency and cutting performance of straw in the shredder, the discrete element method and EDEM software were used to set up the simulation model for cutting the tomato cane straw in the cutting machine. The numerical simulation of cutting energy consumption, cutting force and cutting effect was carried out, and the results were comparied with the test results. The results show that compared with the equal slip angle flat blade and the ordinary blade, the equal slip angle sawtooth blade has less force in the cutting process, the force is more uniform, the fluctuation is smaller, the cutting energy consumption is the lowest, the cutting efficiency is the highest, the cutting time is the shortest, the cutting effect is better and the advantage is obvious. When cutting the tomato cane straw, the cutting force, the energy consumed, the consumed cutting energy, and the cutting time of the 40 equal slip angle sawtooth blade are lower than those of 45° same blade, and its cutting efficiency is higher and cutting effect is better. The results provide a theoretical basis for the selection of tomato straw cutting blades and their structural parameters.ŠĪ