Table 4.

S/N values obtained for Ra, tool wear and energy consumption

Experiment no	Ra	Tool wear	Energy consumption
1	−5,44	19,34	−19,78
2	−13,46	19,09	−23,44
3	−17,21	18,13	−24,92
4	−7,29	16,25	−20,03
5	−12,90	15,62	−23,32
6	−16,75	12,16	−24,62
7	−9,28	11,64	−21,77
8	−12,43	10,87	−21,84
9	−18,39	6,52	−25,59