Research Article
Bi-objective Optimization of Process Parameters in Electric Discharge Machining of SS630 Using Grey Relation Analysis
Table 4
Working circumstances for setting up the experimentation.
| Name | Description |
| Workpiece material | SS630 grade | Electrode material | Copper-tungsten (21.5 mm length with a diameter of 12.5 mm) | Dielectric oil | Commercial EDM oil grade SAE 450 | Sign of polarity | Normal | Supply voltage | 110 V | Gap voltage | 70 V | Time of machining | 5 mins |
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