Investigation and Process Parameter Optimization on Wire Electric Discharge Machining of Aluminium 6082 Alloy

Table 9

ANOVA for MRR.

Source	Sum of square	df	Mean	F valve	P-valve prob > F	% of contribution
Model	930.81	6	155.14	169.04	<0.0001
A-pulse on	839.53	1	839.53	914.79	<0.0001	88.44
B-wire feed	0.37	1	0.37	0.41	0.5301	0
C-pulse off	90.8	1	90.8	98.94		9.6
AB	0.1	1	0.1	0.11
AC	3.83E − 03	1	3.83E − 03	4.18E − 03
BC	3.44E − 04	1	3.44E − 04	3.74E − 04
Residual	18.35	20	0.92			1.9
Total	949.16	26