Table 5.

Analysis of Variance results for response parameters, namely flank wear, surface roughness.

Cutting Parameters	Degree of Freedom	Sum of Squares	Mean Square	F Value	p-Value	Percent Contribution (%)
FLANK WEAR VB * (mm)
Cutting Speed	2	112.939	56.469	6.26	0.138	46.1
Feed Rate	2	2.111	1.056	0.12	0.895	0.8
Depth of Cut	2	111.632	55.816	6.19	0.139	45.6
Error	2	18.037	9.019			7.4
Total	8	244.719				92.6
SURFACE ROUGHNESS Ra * (µm)
Cutting Speed	2	0.205	0.1025	0.01	0.99	0.1
Feed Rate	2	76.142	38.0709	3.72	0.212	62.3
Depth of Cut	2	25.274	12.6368	1.24	0.447	20.7
Error	2	20.464	10.2319			16.7
Total	8	122.084				83.3

* R² values for V_B = 92.6%, Ra = 83.3%.