Table 3 Results from the experiment.

From: Synergistic effects of titanium dioxide and graphene nanofillers on delamination and thrust forces in machining glass fiber reinforced nanocomposites

Trial no.

Specimen

Drill bit diameter (mm)

Spindle speed (rpm)

Feed rate (mm/min)

Thrust (N)

Df Entry

Df Exit

1

GT0

4

600

30

39.24

1.33466

1.1084

2

1200

40

39.24

1.20344

1.0918

3

1800

50

29.43

1.29782

1.13774

4

6

600

30

68.67

1.17457

1.14946

5

1200

40

49.05

1.19956

1.16526

6

1800

50

29.43

1.21794

1.20655

7

8

600

30

58.86

1.22451

1.14419

8

1200

40

49.05

1.22372

1.14887

9

1800

50

39.24

1.2043

1.17079

10

GT1

4

600

30

49.05

1.2321

1.07329

11

1200

40

29.43

1.28025

1.12581

12

1800

50

29.43

1.2403

1.08661

13

6

600

30

58.86

1.1565

1.15332

14

1200

40

39.24

1.14463

1.10698

15

1800

50

29.43

1.22717

1.16589

16

8

600

30

78.48

1.24344

1.16509

17

1200

40

58.86

1.23003

1.18517

18

1800

50

49.05

1.20399

1.16727

19

GT2

4

600

30

49.05

1.29725

1.15789

20

1200

40

29.43

1.24412

1.12207

21

1800

50

19.62

1.30233

1.11253

22

6

600

30

68.67

1.22377

1.15558

23

1200

40

58.86

1.199

1.18424

24

1800

50

29.43

1.15694

1.12405

25

8

600

30

78.48

1.15688

1.13512

26

1200

40

58.86

1.18954

1.14592

27

1800

50

49.05

1.17724

1.15794

28

GT3

4

600

30

39.24

1.27617

1.07752

29

1200

40

29.43

1.27191

1.17633

30

1800

50

29.43

1.18366

1.23129

31

6

600

30

58.86

1.18684

1.21905

32

1200

40

49.05

1.21808

1.18462

33

1800

50

29.43

1.18509

1.18647

34

8

600

30

78.48

1.16867

1.14571

35

1200

40

49.05

1.20532

1.18721

36

1800

50

49.05

1.19024

1.18182

37

GT4

4

600

30

29.43

1.40401

1.08785

38

1200

40

29.43

1.28946

1.05875

39

1800

50

19.62

1.30521

1.16154

40

6

600

30

98.1

1.26015

1.26788

41

1200

40

88.29

1.2577

1.25796

42

1800

50

49.05

1.30339

1.25505

43

8

600

30

88.29

1.27618

1.24813

44

1200

40

58.86

1.24125

1.19289

45

1800

50

49.05

1.27379

1.2325

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