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Table 2 L9 orthogonal array

From: Parameter optimization in milling of glass fiber reinforced plastic (GFRP) using DOE-Taguchi method

Exp. no.

Control factor

N

D

F

1

1

1

2

2

1

2

1

3

1

3

3

4

2

1

3

5

2

2

2

6

2

3

1

7

3

1

1

8

3

2

3

9

3

3

2