Table 3 Experiments factor levels.

From: Design and experiment of key mechanism of root cutting device for heading vegetables

Level

Experiments factor

A rotational speed of the cutter (r/min)

B conveying speed (m/s)

C inclination angle of the cutter (°)

D overlap of the cutter (mm)

1

200

0.3

5

15

2

300

0.4

10

20

3

400

0.5

15

25