Research Article
Analyzing the Effect of Machining Parameters Setting to the Surface Roughness during End Milling of CFRP-Aluminium Composite Laminates
Table 2
Experimental result and the calculated S/N ratio.
| Number of experiments | Factor | Surface roughness () | Calculated S/N ratio | A | B | C | S1 | S2 | S3 | S/N S1 | S/N S2 | S/N S3 |
| 1 | 1 | 1 | 1 | 0.6612 | 0.7418 | 0.7754 | | | | 2 | 1 | 2 | 2 | 0.869 | 0.9374 | 0.958 | | | | 3 | 1 | 3 | 3 | 1.138 | 1.1494 | 1.054 | | | | 4 | 2 | 1 | 3 | 0.9296 | 1.0348 | 0.9576 | | | | 5 | 2 | 2 | 1 | 1.0414 | 1.2034 | 1.0432 | | | | 6 | 2 | 3 | 2 | 1.088 | 1.0924 | 1.1206 | | | | 7 | 3 | 1 | 2 | 0.4812 | 0.456 | 0.5072 | | | | 8 | 3 | 2 | 3 | 0.8992 | 0.992 | 0.9578 | | | | 9 | 3 | 3 | 1 | 1.088 | 1.1108 | 0.9902 | | | |
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