No

Factors

Unit of measure

Identification of factors

Step

Calculation range of factors

Natural

Coded

−1

0

+1

1

The angle of deviation of the planks towards the center of the drum

angle

β

Х₁

5

10

15

20

2

Separation drum rotation speed

rpm

V

Х₂

200

750

950

1150

3

Spacing of regeneration grate-bar

mm

h

Х₃

15

10

25

40