Levels

Controlling factors

Surface roughness (Ra)

Flank wear (VBmax)

Vc

ap

f

Vc

ap

f

Level 1

3.3422

9.4022

6.2499

0.8645

−0.2807

−0.9073

Level 2

7.2473

−0.7156

4.5274

−1.4603

2.4045

−2.2881

Level 3

−1.2417

0.6612

−1.4295

0.8356

−1.8840

3.4353

Delta

0.5573

0.5770

0.6090

2.3248

4.2886

5.7234