Wedm Process Optimization for Machining Characteristcis of AISI 52100 Grade Alloy Steel

Table 5

SN ratio values for ANOVA of surface roughness values.

Source	DF	Seq SS	Adj SS	Adj MS	F	P	percentage contribution
Pulse on Time (micro sec)	2	139.839	139.839	69.9196	309.62	0.0001	74.91
Pulse OFF time (micro sec)	2	11.136	11.136	5.5678	24.66	0.0001	0.48
Wire Feed (m/min)	2	0.033	0.033	0.0164	0.07	0.930	0.02
Wire tension	2	1.567	1.567	0.7837	3.47	0.060	0.84
Spark Gap Voltage (V)	2	30.680	30.680	15.3400	67.93	0.0001	16.43
Servo Feed (mm/min)	2	0.245	0.245	0.1225	0.54	0.593	0.13
Residual Error	14	3.161	3.161	0.2258
Total	26	186.662