Examination of Machining Parameters and Prediction of Cutting Velocity and Surface Roughness Using RSM and ANN Using WEDM of Altemp HX

Table 4

ANOVA for cutting velocity and surface roughness.

<—!--Col Count:8-->Sl. no.	Parameters	DF	Adj. SS	Adj. MS	F value	value	Contribution (%) contribution
Cutting velocity
1	Pulse on time	4	3.328	0.832	14.4	0.001	63.45
2	Wire span	4	1.053	0.263	4.56	0.018	20.08
3	Servo gap voltage	4	0.170	0.042	0.74	0.584	3.25
4	Error	12	0.693	0.058			13.22
5	Total	24	5.245
Surface roughness
1	Pulse on time	4	10.392	2.598	70.07	0.001	87.49
2	Wire span	4	0.504	0.126	3.4	0.044	4.24
3	Servo gap voltage	4	0.537	0.134	3.62	0.037	4.52
4	Error	12	0.445	0.037			3.75
5	Total	24	11.878