Research Article
Bi-objective Optimization of Process Parameters in Electric Discharge Machining of SS630 Using Grey Relation Analysis
Table 11
Obtained values of T-MRR and E-MRR with machining control variables.
| S. No. | (A) | (MPa) | (μs) | (μs) | E-MRR (mm3/min) | T-MRR (mm3/min) |
| 1 | 6 | 2 | 20 | 15 | 1.372 | 1.512 | 2 | 10 | 4 | 50 | 15 | 5.015 | 4.912 | 3 | 14 | 6 | 70 | 15 | 2.412 | 2.321 | 4 | 18 | 8 | 90 | 15 | 3.421 | 3.614 | 5 | 14 | 4 | 20 | 25 | 5.522 | 5.23 | 6 | 18 | 2 | 50 | 25 | 6.101 | 5.90 | 7 | 6 | 8 | 70 | 25 | 2.585 | 2.421 | 8 | 10 | 6 | 90 | 25 | 3.921 | 3.672 | 9 | 18 | 6 | 20 | 35 | 3.812 | 3.612 | 10 | 14 | 8 | 50 | 35 | 4.912 | 5.21 | 11 | 10 | 2 | 70 | 35 | 8.156 | 8.912 | 12 | 6 | 4 | 90 | 35 | 9.121 | 9.461 | 13 | 10 | 8 | 20 | 45 | 4.125 | 3.671 | 14 | 6 | 6 | 50 | 45 | 3.912 | 3.876 | 15 | 18 | 4 | 70 | 45 | 10.121 | 11.24 | 16 | 14 | 2 | 90 | 45 | 9.312 | 8.91 |
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