Research Article
Experimental Investigation on Material Transfer Mechanism in WEDM of Pure Titanium (Grade-2)
Table 7
Constraints of input parameters and responses.
| | Parameters | Target | Lower limit | Upper limit | Lower weight | Upper weight | Importance |
| | Pulse on time | | 0.7 | 1.1 | 1 | 1 | 3 | | Pulse off time | | 17 | 38 | 1 | 1 | 3 | | Peak current | | 120 | 200 | 1 | 1 | 3 | | Spark gap voltage | | 40 | 60 | 1 | 1 | 3 | | Wire feed | | 4 | 10 | 1 | 1 | 3 | | Wire tension | | 500 | 1400 | 1 | 1 | 3 | | MRR (mm3/min) | Maximize | 3.28 | 11.16 | 1 | 1 | 3 | | Overcut (m) | Minimum | 22 | 43 | 1 | 1 | 3 | | Surface roughness (m) | Minimum | 2.15 | 3.28 | 1 | 1 | 3 |
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