Research Article
Optimization of Plasma Arc Cutting Parameters on Machining of Inconel 718 Superalloy
Table 4
Analysis of variance for KT.
| Term | Coef | SE Coef | -value | value | VIF |
| Constant | 8.843 | | | | | Arc current (Amps) | | | | | | 80 | -1.173 | | | | 1.33 | 90 | 1.046 | | | | 1.33 | Cutting speed (mm/min) | | | | | | 500 | -0.3862 | | | | 1.33 | 750 | 0.09311 | | | | 1.33 | Gas pressure (Bar) | | | | | | 50 | 0.1684 | | | | 1.33 | 55 | -0.4742 | | | | 1.33 | Stand-off distance (mm) | | | | | | 2 | -0.4259 | | | | 1.33 | 3 | 0.6334 | | | | 1.33 |
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