Table 5 Optimization results of welding parameters.
From: Prediction and optimization method for welding quality of components in ship construction
Sample number | Welding current/A | Arc voltage/V | Welding speed/(mm/s) | Wire elongation/(mm) | Inductance value/(H) | Welding gas flow/(L/min) | Predicted value/(Mpa) | Actual Residual stress/(Mpa) |
---|---|---|---|---|---|---|---|---|
1 | 150 | 21.2 | 7.34 | 0.162 | 158 | 21.2 | 97.56,634 | 104 |
2 | 154 | 20.6 | 7.455 | 0.173 | 162 | 20.9 | 102.71,648 | 107 |
3 | 150 | 21.8 | 7.365 | 0.165 | 153 | 21.5 | 95. 31,051 | 101 |