e-Modeling and Evolution of Nanolubricant Coupled Machining Parameters Using Statistical Tool

Table 6

ANOVA table for surface roughness.

Source (surface roughness)	DF	Seq SS	Adj SS	Adj MS
Regression	9	127.308	127.308	14.1453	22.98	0.001
Linear	3	119.173	2.020	0.6733	1.09	0.379
Speed (rpm)	1	13.746	0.044	0.0438	0.07	0.793
Feed (mm/min)	1	79.674	0.732	0.7324	1.19	0.291
Drill diameter (mm)	1	25.752	1.044	1.0443	1.70	0.210
Square	3	4.651	4.651	1.5503	2.52	0.093
Speed (rpm)speed (rpm)	1	0.028	0.028	0.0280	0.05	0.834
Feed rate (mm/min) feed rate (mm/min)	1	1.050	1.050	1.0500	1.71	0.210
Drill diameter (mm) drill diameter (mm)	1	3.573	3.573	3.5728	5.81	0.028
Interaction	3	3.484	3.484	1.1615	1.89	0.170
Speed (rpm) feed rate (mm/min)	1	3.435	3.435	3.4347	5.58	0.030
Speed (rpm) drill diameter (mm)	1	0.022	0.022	0.217	0.04	0.853
Drill diameter (mm) feed rate (mm/min)	1	0.028	0.028	0.05	0.834
Residual error	17	10.463	10.463
Total	26	137.771