*Levels | Mean | ||
Rotational Speed (rpm) | Welding Speed (mm/min) | Axial Load (kN) | |
1 | 49.68 | 43.74 | 45.39 |
2 | 41.20 | 54.31 | 49.47 |
3 | 53.71 | 46.54 | 49.73 |
Max-min | 12.50 | 10.57 | 4.34 |
Rank | 1 | 2 | 3 |