Research Article
Design and Test Research on Cutting Blade of Corn Harvester Based on Bionic Principle
Table 2
Variance analysis table.
| | Test index | Sources of variation | Sum of squares | Degrees of freedom | Mean square | value | value | F-crit |
| | The maximum cutting force | SSA | 37,874 | 1 | 37,875 | 12.2856 | 0.0016 | 4.1960 | | SSE | 86,320 | 28 | 3083 | | | | | SST | 124,195 | 29 | | | | |
| | Cutting energy | SSA | 1.6568 | 1 | 1.6568 | 7.8463 | 0.0091 | 4.1960 | | SSE | 5.9122 | 28 | 0.2111 | | | | | SST | 7.5689 | 29 | | | | |
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SSA: sum of squares for factor; SSE: sum of squares for error; SST: sum of squares for total.
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