Research Article
Material Removal Rate, Electrode Wear Rate, and Surface Roughness Evaluation in Die Sinking EDM with Hollow Tool through Response Surface Methodology
Table 9
Confirmatory experiments.
| Serial number | | | | MRR | EWR | SR | Actual | Error % | Actual | Error % | Actual | Error % |
| 1 | 100 | 25.37 | 45.00 | 18.83 | 6.98 | 6.81 | 5.90 | 4.86 | 7.48 | 2 | 100.94 | 25.58 | 45.00 | 18.64 | 5.66 | 6.68 | 2.14 | 4.65 | 2.87 |
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