Material Removal Rate, Electrode Wear Rate, and Surface Roughness Evaluation in Die Sinking EDM with Hollow Tool through Response Surface Methodology
Table 8
Favorable solutions for responses with varying weights.
Serial number
MRR
EWR
SR
Desirability
Weight of
MRR
EWR
SR
1
579.99
11.03
5
28.03
11.99
9.18
0.87
0.8
0.1
0.1
2
503.2
4
45
26.33
8.86
9.45
0.84
0.7
0.2
0.1
3
524.61
9.49
5
26.37
11.79
8.48
0.83
0.7
0.1
0.2
4
480.40
4
45
25.41
8.50
9.18
0.83
0.6
0.3
0.1
5
448.23
4
45
24.17
7.99
8.81
0.80
0.6
0.2
0.2
6
480.14
4
45
25.41
8.49
9.18
0.83
0.6
0.1
0.3
7
442.03
4.95
45
23.90
7.8
8.75
0.82
0.5
0.4
0.1
8
413.98
4.01
45
22.91
7.45
8.43
0.80
0.5
0.3
0.2
9
433.73
11.21
5
22.42
9.60
7.41
0.79
0.5
0.2
0.3
10
385.81
5.97
5
22.57
11.37
6.82
0.80
0.5
0.1
0.4
11
383.97
6.36
45
21.85
6.89
8.13
0.82
0.4
0.5
0.1
12
357.69
7.05
45
21.01
6.48
7.86
0.81
0.4
0.4
0.2
13
100
26.88
45
17.81
7.11
4.36
0.79
0.4
0.3
0.3
14
100.05
27.58
45
17.90
7.44
4.27
0.80
0.4
0.2
0.4
15
100.03
27.53
44.89
17.88
7.40
4.27
0.82
0.4
0.1
0.5
16
301.58
8.03
45
19.42
5.61
7.30
0.84
0.3
0.6
0.1
17
275.53
9.74
45
18082
5.29
7.03
0.82
0.3
0.5
0.2
18
100.01
23.06
45
17.29
5.50
4.80
0.82
0.3
0.4
0.3
19
100
26.26
45
17.74
6.87
4.42
0.83
0.3
0.3
0.4
20
100
27.50
45
17.89
7.40
4.27
0.84
0.3
0.2
0.5
21
109.20
28
45
18.01
7.79
4.27
0.86
0.3
0.1
0.6
22
100
16.39
45
16.38
3.49
5.34
0.87
0.2
0.7
0.1
23
100
16.85
45
16.44
3.60
5.31
0.87
0.2
0.6
0.2
24
100
18.99
45
16.73
4.15
5.16
0.86
0.2
0.5
0.3
25
100
21.81
45
17.12
5.04
4.92
0.86
0.2
0.4
0.4
26
100
25.66
45
17.64
6.56
4.51
0.87
0.2
0.3
0.5
27
100.01
27.50
45
17.89
7.40
4.28
0.88
0.2
0.2
0.6
28
100.05
27.52
45
17.90
7.41
4.22
0.90
0.2
0.1
0.7
29
100
16.38
45
16.38
3.49
5.34
0.93
0.1
0.8
0.1
30
100.01
16.38
45
16.38
3.49
5.34
0.92
0.1
0.7
0.2
31
100
16.38
45
16.38
3.50
5.34
0.92
0.1
0.6
0.3
32
100
16.38
45
16.38
3.50
5.34
0.91
0.1
0.5
0.4
33
100
16.84
45
16.84
4.38
5.01
0.91
0.1
0.4
0.5
34
100
17.53
45
17.53
6.22
4.60
0.91
0.1
0.3
0.6
35
100.01
17.89
45
17.89
7.40
4.27
0.92
0.1
0.2
0.7
36
100.04
17.89
44.97
17.89
7.40
4.27
0.94
0.1
0.1
0.8
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