Design and Test Research on Cutting Blade of Corn Harvester Based on Bionic Principle

Table 1

Single stalk maximum cutting force and cutting energy consumption test results for the bionic and ordinary blade.

Blade type	Test number	The maximum cutting force (N)	Cutting energy (J)
Bionic blade	1	516.19	4.37
	2	526.85	4.39
	3	489.30	4.16
	4	499.32	3.73
	5	477.13	4.09
	6	374.20	2.92
	7	483.11	4.21
	8	476.99	4.02
	9	454.20	3.31
	10	491.13	4.29
	11	484.51	3.44
	12	450.00	3.39
	13	519.22	4.46
	14	509.07	4.12
	15	452.43	3.76
	Mean	480.24	3.91
	Std. deviation	37.83	0.46
Ordinary blade	1	429.32	3.64
	2	540.28	4.28
	3	493.39	3.96
	4	524.88	4.71
	5	491.65	4.10
	6	632.57	5.06
	7	504.92	4.18
	8	676.97	4.97
	9	551.31	4.54
	10	605.31	4.52
	11	570.27	4.15
	12	510.13	4.29
	13	601.23	5.03
	14	494.34	3.65
	15	643.03	4.63
	Mean	551.31	4.38
	Std. deviation	68.81	0.45