Experimental and Modeling Study of the Turning Process of PA 6/Nano Calcium Carbonate Composite

Table 4

Table ANOVA for the surface roughness.

Source of variance	D.F.	Sum of square (SS)	Variance (𝑉)	𝐹	𝐹𝛼=5%	P (%)
𝑉(m/min)	2	1.065	0.533	1.75	3.21	0.64
𝑓 (mm/rev)	2	152.417	76.208	250.68	3.21	91.64
NCC (wt%)	4	1.873	0.468	1.54	2.59	1.13
Error	36	10.960	0.304	—	—	6.59
Total	44	166.316	—	—	—	100