Research Article
Experimental Investigation on Material Transfer Mechanism in WEDM of Pure Titanium (Grade-2)
Table 2
Design of experiments matrix and results.
| Factors | Response variables | Standard run no. | Pulse on time (µs) | Pulse off time (µs) | Peak current Ip (Ampere) | Spark gap voltage SV (Volt) | Wire feed WF (m/min) | Wire tension WT (grams) | MRR (mm3/min) | Overcut (m) | Surface roughness (m) |
| 1 | 1.1 | 28 | 200 | 50 | 7 | 500 | 9.6 | 40 | 3.22 | 2 | 0.9 | 38 | 160 | 50 | 4 | 500 | 4.92 | 26 | 2.48 | 3 | 0.7 | 28 | 160 | 60 | 4 | 950 | 3.39 | 22 | 2.23 | 4 | 0.9 | 17 | 120 | 50 | 10 | 950 | 8.29 | 38 | 2.75 | 5 | 0.9 | 28 | 120 | 60 | 7 | 500 | 4.45 | 31 | 2.47 | 6 | 1.1 | 28 | 160 | 40 | 4 | 950 | 9.2 | 33 | 2.93 | 7 | 0.9 | 38 | 160 | 50 | 10 | 1400 | 4.77 | 25 | 2.48 | 8 | 0.9 | 28 | 160 | 50 | 7 | 950 | 5.19 | 30 | 2.65 | 9 | 0.9 | 17 | 160 | 50 | 4 | 500 | 8.81 | 33 | 2.81 | 10 | 1.1 | 28 | 160 | 40 | 10 | 950 | 8.59 | 33 | 2.94 | 11 | 1.1 | 38 | 160 | 40 | 7 | 950 | 8.3 | 32 | 2.91 | 12 | 1.1 | 28 | 160 | 60 | 4 | 950 | 7.03 | 35 | 2.83 | 13 | 0.9 | 17 | 160 | 50 | 10 | 500 | 8.19 | 32 | 2.79 | 14 | 0.9 | 28 | 160 | 50 | 7 | 950 | 4.67 | 30 | 2.61 | 15 | 0.7 | 28 | 120 | 50 | 7 | 500 | 3.28 | 25 | 2.49 | 16 | 0.9 | 28 | 160 | 50 | 7 | 950 | 5.51 | 31 | 2.68 | 17 | 0.9 | 28 | 120 | 60 | 7 | 1400 | 4.66 | 28 | 2.49 | 18 | 0.7 | 38 | 160 | 40 | 7 | 950 | 3.65 | 28 | 2.32 | 19 | 0.9 | 38 | 120 | 50 | 10 | 950 | 4.37 | 26 | 2.31 | 20 | 0.9 | 28 | 200 | 40 | 7 | 1400 | 6.72 | 38 | 2.89 | 21 | 0.9 | 28 | 200 | 60 | 7 | 500 | 6.67 | 32 | 2.69 | 22 | 0.9 | 38 | 200 | 50 | 10 | 950 | 6.54 | 35 | 2.57 | 23 | 0.9 | 28 | 120 | 40 | 7 | 1400 | 5.07 | 29 | 2.71 | 24 | 0.7 | 28 | 120 | 50 | 7 | 1400 | 3.3 | 24 | 2.51 | 25 | 0.9 | 38 | 200 | 50 | 4 | 950 | 7.07 | 35 | 2.56 | 26 | 1.1 | 28 | 160 | 60 | 10 | 950 | 6.77 | 37 | 2.82 | 27 | 1.1 | 28 | 120 | 50 | 7 | 500 | 7.1 | 33 | 2.77 | 28 | 0.7 | 28 | 160 | 40 | 10 | 950 | 4.27 | 30 | 2.35 | 29 | 0.7 | 28 | 200 | 50 | 7 | 500 | 4.49 | 31 | 2.48 | 30 | 0.7 | 17 | 160 | 40 | 7 | 950 | 6.9 | 33 | 2.70 | 31 | 0.7 | 28 | 200 | 50 | 7 | 1400 | 4.44 | 33 | 2.51 | 32 | 0.9 | 28 | 160 | 50 | 7 | 950 | 4.7 | 31 | 2.65 | 33 | 0.9 | 17 | 200 | 50 | 4 | 950 | 8.06 | 42 | 2.88 | 34 | 0.9 | 28 | 160 | 50 | 7 | 950 | 5.61 | 33 | 2.65 | 35 | 1.1 | 17 | 160 | 40 | 7 | 950 | 11.16 | 43 | 3.28 | 36 | 0.9 | 17 | 200 | 50 | 10 | 950 | 8.28 | 37 | 2.98 | 37 | 0.9 | 28 | 200 | 40 | 7 | 500 | 7.07 | 35 | 2.84 | 38 | 0.7 | 28 | 160 | 40 | 4 | 950 | 4.41 | 30 | 2.33 | 39 | 0.9 | 38 | 160 | 50 | 10 | 500 | 4.96 | 25 | 2.50 | 40 | 0.9 | 28 | 160 | 50 | 7 | 950 | 5.65 | 32 | 2.69 | 41 | 1.1 | 38 | 160 | 60 | 7 | 950 | 6.77 | 33 | 2.66 | 42 | 0.7 | 17 | 160 | 60 | 7 | 950 | 4.14 | 30 | 2.60 | 43 | 0.9 | 28 | 200 | 60 | 7 | 1400 | 6.57 | 32 | 2.68 | 44 | 0.9 | 17 | 120 | 50 | 4 | 950 | 7.61 | 35 | 2.75 | 45 | 0.7 | 28 | 160 | 60 | 10 | 950 | 3.75 | 25 | 2.28 | 46 | 1.1 | 28 | 120 | 50 | 7 | 1400 | 7.11 | 35 | 2.75 | 47 | 0.7 | 38 | 160 | 60 | 7 | 950 | 3.28 | 24 | 2.15 | 48 | 0.9 | 17 | 160 | 50 | 4 | 1400 | 8.15 | 31 | 2.85 | 49 | 0.9 | 28 | 120 | 40 | 7 | 500 | 5.36 | 31 | 2.78 | 50 | 1.1 | 17 | 160 | 60 | 7 | 950 | 8.45 | 40 | 3.00 | 51 | 0.9 | 38 | 120 | 50 | 4 | 950 | 4.55 | 25 | 2.29 | 52 | 1.1 | 28 | 200 | 50 | 7 | 1400 | 8.37 | 35 | 3.12 | 53 | 0.9 | 17 | 160 | 50 | 10 | 1400 | 7.53 | 37 | 2.82 | 54 | 0.9 | 38 | 160 | 50 | 4 | 1400 | 4.92 | 25 | 2.49 |
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