&nbsp;Effect of the vibration of small sugarcane harvester cutters on the cutting force

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Journal of Vibration and Shock ›› 2018, Vol. 37 ›› Issue (1) : 229-235.

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

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Abstract

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.

Key words

sugarcane harvester / vibration / cutting force / ratoon cutting quality

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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[J]. Journal of Vibration and Shock, 2018, 37(1): 229-235

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