Research Article
Optimization on Material Removal Rate and Surface Roughness of Stainless Steel 304 Wire Cut EDM by Response Surface Methodology
Table 4
Response surface methodology design.
| | Sl. no. | X1 (T –ON) | X2 (T- OFF) | X3 (IP) |
| | 1 | 1 | 0 | 0 | | 2 | 0 | 1 | 0 | | 3 | 0 | 0 | 0 | | 4 | 0 | −1 | 0 | | 5 | −1 | 1 | −1 | | 6 | 0 | 0 | 1 | | 7 | 1 | −1 | 1 | | 8 | 0 | 0 | −1 | | 9 | 0 | 0 | 0 | | 10 | 0 | 0 | 0 | | 11 | 0 | 0 | 0 | | 12 | −1 | −1 | −1 | | 13 | 1 | 1 | 1 | | 14 | −1 | 0 | 0 | | 15 | 1 | −1 | −1 | | 16 | −1 | −1 | 1 | | 17 | 0 | 0 | 0 | | 18 | 0 | 0 | 0 | | 19 | 1 | 1 | −1 | | 20 | 0 | 1 | −1 |
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