Research Article
Bi-objective Optimization of Process Parameters in Electric Discharge Machining of SS630 Using Grey Relation Analysis
Table 6
Grey relation generation values for output response parameters obtained using DS-EDM of SS630 with Cu-W electrode.
| Ideal seq. | MRR (mm3/min) | SR (μm) | Larger the better | Smaller the better |
| 1 | 0 | 0.932 | 2 | 0.41639 | 0.68 | 3 | 0.118871 | 0.6 | 4 | 0.234198 | 0.468 | 5 | 0.47434 | 0.424 | 6 | 0.540519 | 0.2 | 7 | 0.138644 | 1 | 8 | 0.291348 | 0.564 | 9 | 0.278889 | 0.124 | 10 | 0.404618 | 0.28 | 11 | 0.775403 | 0.36 | 12 | 0.885701 | 0.824 | 13 | 0.314665 | 0.524 | 14 | 0.290319 | 0.712 | 15 | 1 | 0.032 | 16 | 0.907532 | 0 |
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