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Table 4 The S/N ratio and normalized values for input parameters

From: Taguchi-fuzzy multi-response optimization in fly cutting process and applying in the actual hobbing process

Exp. no.

The cutting force

Temperature

Surface roughness

Fy (N)

Fz (N)

R

S/N (R)

Fz/Fy

S/N (Fz/Fy)

t

S/N (t)

Ra

S/N(Ra)

1

277.8

78.3

288.62

− 49.2066

0.282

− 10.9994

32.6

− 30.2644

0.1817

14.8129

2

232.6

73.6

243.97

− 47.7466

0.316

− 9.99464

29.3

− 29.3374

0.1175

18.59924

3

190.8

61.7

200.53

− 46.0435

0.323

− 9.80586

24.7

− 27.8539

0.2022

13.88438

4

282.9

77.3

293.27

− 49.3454

0.273

− 11.2691

32.1

− 30.1301

0.3705

8.624236

5

255.2

72.1

265.19

− 48.4711

0.283

− 10.9789

27.6

− 28.8182

0.312

10.11691

6

235.6

70.1

245.81

− 47.8119

0.298

− 10.5291

24.1

− 27.6403

0.5125

5.806123

7

293.3

82.2

304.60

− 49.6746

0.280

− 11.0488

34.7

− 30.8066

0.5888

4.600644

8

282.8

80.8

294.12

− 49.3704

0.286

− 10.8814

30.9

− 29.7992

0.4327

7.276262

9

260.1

74

270.42

− 48.6408

0.285

− 10.9182

27.0

− 28.6273

1.0337

− 0.28789

10

282.4

75.2

292.24

− 49.3148

0.266

− 11.4929

34.8

− 30.8316

0.1423

16.9359

11

246.3

72.3

256.69

− 48.1883

0.294

− 10.6465

30.1

− 29.5713

0.0894

20.97325

12

222

69.1

232.51

− 47.3287

0.311

− 10.1375

25.1

− 27.9935

0.161

15.86348

13

296.2

78.3

306.37

− 49.7251

0.264

− 11.5565

34.0

− 30.6296

0.3059

10.28841

14

262.8

74.1

273.05

− 48.7247

0.282

− 10.9961

29.1

− 29.2779

0.25

12.0412

15

242.9

70.9

253.04

− 48.0636

0.292

− 10.6956

27.7

− 28.8496

0.57

4.882503

16

295

84.6

306.89

− 49.7397

0.287

− 10.849

36.2

− 31.1742

0.3565

8.958809

17

283

80.8

294.31

− 49.3761

0.286

− 10.8875

32.3

− 30.1841

0.4319

7.292336

18

263.5

76.2

274.30

− 48.7644

0.289

− 10.7765

28.2

− 29.0050

0.9397

0.540215