Table 9 Cutting forces evaluation for each Gf calculated.

From: Modeling of the fracture energy on the finite element simulation in Ti6Al4V alloy machining

Vc (m/min)

f (mm/r)

Fc (N) experimental

Fc (N) simulation

Fc (%)

Gf (mJ/mm2) empirical

30

0.05

208.94

198.56

− 5.22

166.02

0.10

255.75

261.52

2.21

76.77

0.20

294.23

312.21

5.75

34.00

0.30

472.05

458.62

− 2.92

27.72

65

0.05

158.90

172.35

7.80

107.67

0.10

209.92

216.84

3.19

52.51

0.20

309.29

306.62

− 0.87

27.63

0.30

350.54

332.47

− 5.43

17.68

125

0.05

70.05

91.06

23.07

49.56

0.10

75.93

77.43

1.94

21.05

0.20

154.44

171.23

9.81

13.87

0.30

244.68

269.08

9.07

11.21