Simulation and Experimental Investigations on the Sugarcane Cutting Mechanism and Effects of Influence Factors on the Cutting Quality of Small Sugarcane Harvesters under Vibration Excitations

Table 1

Levels of five experimental factors of the orthogonal experiment.

Level factor	1	2
The axial cutter vibration frequency, x1 (Hz)	9	6
The axial cutter vibration amplitude, x2 (mm)	6.5	3.5
The cutter rotation velocity, x3 (RPM)	700	600
The sugarcane feeding velocity, x4 (m/s)	0.6	0.4
The cutter installing angle, x5 (^o)	10	0