Table 5 Results of S/N ratio for CS and MRR for different profiles.

From: Geometric influence and multi-objective optimization of WEDM for hardened tool steels using ANN and NSGA-II

Sr no

MT

IP

P

V

Signal to noise ratio

(A)

(mu)

(V)

CS_Flat

CS_Curve

MRR_Flat

MRR_Curve

1

D2

2

50

90

1.656

− 2.853

31.205

34.453

2

D2

2

70

95

2.607

− 1.938

32.183

35.432

3

D2

2

90

100

3.107

− 1.412

33.549

36.797

4

D2

3

50

90

6.235

2.076

35.193

37.870

5

D2

3

70

95

7.044

2.860

35.841

38.519

6

D2

3

90

100

7.310

3.167

36.147

38.823

7

D2

4

50

95

10.756

6.235

40.833

44.081

8

D2

4

70

100

10.318

5.801

40.675

43.923

9

D2

4

90

90

4.960

0.424

35.866

39.114

10

DC53

2

50

100

7.748

3.227

36.060

39.308

11

DC53

2

70

90

0.257

− 4.293

31.179

34.428

12

DC53

2

90

95

1.438

− 3.098

32.584

35.832

13

DC53

3

50

95

8.300

4.137

38.891

41.568

14

DC53

3

70

100

9.278

5.105

39.105

41.782

15

DC53

3

90

90

2.279

− 1.938

33.939

36.616

16

DC53

4

50

100

12.340

7.819

42.996

46.244

17

DC53

4

70

90

8.028

3.522

38.712

41.960

18

DC53

4

90

95

8.333

3.807

38.171

41.419