Table 2 Experimental results with S/N ratios for MT.
Sl. No. | Voltage (volts) | EDM feed (µm/sec) | Tool speed (rpm) | Machining time (sec) | S/NMT (db) | Degree of circularity | S/NOC (db) |
|---|---|---|---|---|---|---|---|
1 | 120 | 2 | 400 | 1250 | −61.9382 | 0.9245 | −0.795343 |
2 | 120 | 4 | 700 | 1295 | −62.2454 | 0.9422 | −0.517138 |
3 | 120 | 6 | 1000 | 1202 | −61.5981 | 0.9502 | −0.443699 |
4 | 150 | 2 | 700 | 1081 | −60.6765 | 0.9354 | −0.580053 |
5 | 150 | 4 | 1000 | 1010 | −60.0864 | 0.9465 | −0.477588 |
6 | 150 | 6 | 400 | 1180 | −61.4376 | 0.9022 | −0.893944 |
7 | 180 | 2 | 1000 | 1000 | −59.0849 | 0.9399 | −0.538367 |
8 | 180 | 4 | 400 | 1100 | −60.8279 | 0.899 | −0.924806 |
9 | 180 | 6 | 700 | 1052 | −60.4403 | 0.9205 | −0.719524 |
