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

Table 8

ANOVA for KF.

Source	Sum of square	df	Mean	F valve	P value prob > F
Model	4.811E − 003	9	5.345E − 004	4.60	0.0034
A-pulse on	3.458E − 003	1	3.458E − 003	29.77	<0.0001
B-wire feed	1.608E − 004	1	1.608E − 004	1.38	0.2556
C-pulse off	8.149E − 005	1	8.149E − 005	0.70	0.4139
AB	2.185E − 004	1	2.185E − 004	1.88	0.1881
AC	3.136E − 005	1	3.136E − 005	0.27	0.6101
BC	9.919E − 005	1	9.919E − 005	0.85	0.3684
A^2	4.914E − 004	1	4.914E − 004	4.23	0.0554
B^2	3.267E − 005	1	3.267E − 005	0.28	0.6028
C^2	2.369E − 004
Residual	1.975E − 003	17	1.162E − 004
Cor total	6.786E − 003	26