Research Article
Optimization of Machining Parameters of Natural/Glass Fiber with Nanoclay Polymer Composite Using Response Surface Methodology
Table 5
Response results of trials based on Box–Behnken design.
| Run order | Std. order | Levels of independent factors | Responses | Nanoclay (%) | Feed rate (mm/rev.) | Spindle speed (rpm) | Depth of cut (mm) | Surface roughness (Ra) | S/N ratio |
| 1 | 17 | 9 | 0.2 | 24 | 2.0 | 2.75 | 51.21 | 2 | 11 | 3 | 0.2 | 32 | 1.5 | 2.38 | 52.47 | 3 | 8 | 6 | 0.2 | 16 | 2.0 | 2.18 | 53.23 | 4 | 20 | 3 | 0.3 | 24 | 1.5 | 2.85 | 50.90 | 5 | 18 | 9 | 0.3 | 24 | 1.5 | 2.98 | 50.52 | 6 | 9 | 6 | 0.3 | 24 | 2.0 | 2.64 | 51.57 | 7 | 16 | 6 | 0.1 | 24 | 1.0 | 1.72 | 55.29 | 8 | 5 | 3 | 0.2 | 24 | 2.0 | 2.42 | 52.32 | 9 | 25 | 9 | 0.1 | 24 | 1.5 | 2.34 | 52.62 | 10 | 24 | 6 | 0.3 | 24 | 1.0 | 2.42 | 52.32 | 11 | 14 | 9 | 0.2 | 16 | 1.5 | 2.56 | 51.84 | 12 | 10 | 6 | 0.3 | 16 | 1.5 | 2.51 | 52.01 | 13 | 6 | 6 | 0.1 | 16 | 1.5 | 1.86 | 54.61 | 14 | 12 | 6 | 0.2 | 32 | 2.0 | 2.34 | 52.62 | 15 | 1 | 6 | 0.2 | 32 | 1.0 | 2.12 | 53.47 | 16 | 22 | 9 | 0.2 | 24 | 1.0 | 2.38 | 52.47 | 17 | 21 | 3 | 0.2 | 16 | 1.5 | 2.13 | 53.43 | 18 | 2 | 6 | 0.2 | 16 | 1.0 | 2.08 | 53.64 | 19 | 7 | 6 | 0.1 | 32 | 1.5 | 1.93 | 54.29 | 20 | 19 | 9 | 0.2 | 32 | 1.5 | 2.62 | 51.63 | 21 | 13 | 6 | 0.1 | 24 | 2.0 | 1.96 | 54.15 | 22 | 15 | 3 | 0.2 | 24 | 1.0 | 2.18 | 53.23 | 23 | 4 | 3 | 0.1 | 24 | 1.5 | 1.98 | 54.07 | 24 | 23 | 6 | 0.2 | 24 | 1.5 | 2.25 | 52.96 | 25 | 3 | 6 | 0.3 | 32 | 1.5 | 2.58 | 51.77 |
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