Research Article
Statistical Modelling to Study the Implications of Coated Tools for Machining AA 2014 Using Grey Taguchi-Based Response Surface Methodology
Table 5
L9 Orthogonal array for fitting the input process parameters.
| Experimental order | Cutting speed (rpm) | Depth of cut (mm) | Type of cutting tool |
| 1 | 90 | 0.2 | HSST-TiAlN | 2 | 90 | 0.4 | HSST | 3 | 90 | 0.6 | HSST-TiN | 4 | 270 | 0.2 | HSST | 5 | 270 | 0.4 | HSST-TiN | 6 | 270 | 0.6 | HSST-TiAlN | 7 | 450 | 0.2 | HSST-TiN | 8 | 450 | 0.4 | HSST-TiAlN | 9 | 450 | 0.6 | HSST |
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