Table 3: Cutting force calculation for position 21.

Depth (m)

Depth percentage

Possible Contact ARC length (m)

Number of tooth engaged

a value

Ka

Force F (n)

0.00110

0.1

0.0049297

1

2.8798*10-5

7.55*10-5

0.05763

0.00220

0.2

0.0069863

2

5.7596*10-5

7.55*10-5

0.46107

0.00330

0.3

0.008575

2

5.7596*10-5

7.55*10-5

0.46107

0.00440

0.4

0.0099226

3

8.6394*10-5

7.55*10-5

1.55610

0.00550

0.5

0.011118

3

8.6394*10-5

7.55*10-5

1.55610

0.00660

0.6

0.012206

4

11.519*10-5

7.55*10-5

3.68854