Research Article
Statistical Modelling to Study the Implications of Coated Tools for Machining AA 2014 Using Grey Taguchi-Based Response Surface Methodology
Table 18
ANOVA to investigate the input factor contribution for milling AA 2014.
| Source | DF | Adj. SS | Adj. MS | F-value | P-value | % contribution | Remarks |
| Model | 7 | 0.222295 | 0.031756 | 47.40 | 0.111 | | | Linear | 3 | 0.215735 | 0.071912 | 107.34 | 0.071 | 97.05 | Significant | Speed | 1 | 0.178641 | 0.178641 | 266.66 | 0.039 | 80.36 | Significant | DOC | 1 | 0.006004 | 0.006004 | 8.96 | 0.205 | 2.70 | Less significant | Tool | 1 | 0.031090 | 0.031090 | 46.41 | 0.093 | 13.99 | Significant | Square | 3 | 0.005657 | 0.001886 | 2.81 | 0.407 | 2.54 | Insignificant | Speed Speed | 1 | 0.000262 | 0.000262 | 0.39 | 0.644 | 0.118 | Insignificant | DOC DOC | 1 | 0.004802 | 0.004802 | 7.17 | 0.228 | 2.16 | Insignificant | Tool Tool | 1 | 0.000593 | 0.000593 | 0.89 | 0.519 | 0.267 | Insignificant | 2-Way Interaction | 1 | 0.001480 | 0.001480 | 2.21 | 0.377 | 0.6658 | Insignificant | Speed DOC | 1 | 0.001480 | 0.001480 | 2.21 | 0.377 | 0.6658 | Insignificant | Error | 1 | 0.000670 | 0.000670 | | | 0.3 | Insignificant | Total | 8 | 0.222965 | | | | | |
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