Table 6.

ANOVA results for sensorial data, namely cutting force, AE, temperature, vibration and motor current.

Cutting Parameters	Degree of Freedom	Sum of Squares	Mean Square	F Value	p-Value	Percent Contribution (%)
CUTTING FORCE F * (N)
Cutting Speed	2	0.666	0.3332	0.29	0.773	0.6
Feed Rate	2	71.777	35.8886	31.63	0.031	69.1
Depth of Cut	2	29.126	14.5632	12.83	0.072	28
Error	2	2.269	1.1347			2.2
Total	8	103.839				97.8
ACOUSTIC EMISSION AE * (kHz)
Cutting Speed	2	73.377	36.689	10.8	0.085	46.1
Feed Rate	2	48.848	24.424	7.19	0.122	30.7
Depth of Cut	2	29.941	14.971	4.41	0.185	18.8
Error	2	6.793	3.397			4.3
Total	8	158.960				95.7
TEMPERATURE T * (°C)
Cutting Speed	2	1.0132	0.5065	12.75	0.073	89.9
Feed Rate	2	0.0168	0.0083	0.21	0.825	1.4
Depth of Cut	2	0.0172	0.0085	0.22	0.822	1.5
Error	2	0.0794	0.0397			7.1
Total	8	1.1266				92.9
VIBRATION Vb * (Hz)
Cutting Speed	2	0.7469	0.3735	0.96	0.511	17.8
Feed Rate	2	1.7206	0.8603	2.20	0.312	41.1
Depth of Cut	2	0.9272	0.4636	1.19	0.458	22.1
Error	2	0.7820	0.3910			18.7
Total	8	4.1767				81.3
MOTOR CURRENT MC * (Hz)
Cutting Speed	2	0.001201	0.00060	0.48	0.674	12.2
Feed Rate	2	0.002286	0.00114	0.92	0.521	23.3
Depth of Cut	2	0.003824	0.00191	1.54	0.394	39
Error	2	0.002487	0.00124			25.4
Total	8	0.009797				74.6

* R² values for F = 97.8%, AE = 95.7%, T = 92.9%, Vb = 81.3%, MC = 74.6%.