Effect of the vibration of small sugarcane harvester cutters on the cutting force
Li Shang-ping 1,2 Zhang Biao 1 Zhou Jing-hui 1 Zhong Jia-qin3 Yang Dai-yun1 Mo Han-ning1
1.College of Mechanical Engineering, Guangxi University, Nanning 530004, China；
2. College of Chemistry and Chemical Engineering, Guangxi University For Nationalities, Nanning 530008, China；
3.Qinzhou College, Qinzhou 535000, China
Aiming at the small sugarcane harvester cutter's vibration leading to the high broken rate of sugarcane ratoon, unbalance mass blocks were designed to build an excitation source to simulate the cutter's dynamic imbalance and to control the cutter's vibration. The feasibility of the tests was verified through mechanical calculations and simulations. To explore the effect of cutter's vibration on the cutting force and the effect of cutting force on the ratoon cutting quality, both simulations and physical tests were carried out. The simulation results show the axial cutting force accounts for about 92.6% of the total cutting force when the force reaches maximum. The test results show that the vibration has a significant influence on the cutting force and the cutting force shows a linear upward trend in the scope of the amplitude of 1.02-1.20mm. The correlation coefficient between the axial cutting force and ratoon cutting quality is from 0.91 to 0.95. When the amplitude changes, the axial cutting force is the main influential factor on the ratoon cutting quality of sugarcanes.
李尚平 1,2，张 彪 1，周敬辉 1，钟家勤 3，杨代云 1，莫瀚宁 1. 小型甘蔗收获机切割器振动对切割力的影响[J]. 振动与冲击, 2018, 37(1): 229-235.
Li Shang-ping 1,2 Zhang Biao 1 Zhou Jing-hui 1 Zhong Jia-qin3 Yang Dai-yun1. Effect of the vibration of small sugarcane harvester cutters on the cutting force. JOURNAL OF VIBRATION AND SHOCK, 2018, 37(1): 229-235.
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