Table 2 Decision matrix obtained from practical tests.
Aspect | + | + | − | ||
|---|---|---|---|---|---|
Alternative | |||||
Tension | Speed | Power | Dimensional accuracy (mm) | Hardness (Rockwell B- scale) | Surface roughness (µm) |
0.5 | 2 | 50 | 9.973 | 69.450 | 3.64 |
2.5 | 2 | 10 | 9.965 | 70.575 | 2.84 |
2.5 | 6 | 30 | 9.976 | 67.500 | 4.02 |
0.5 | 10 | 10 | 9.964 | 66.175 | 3.85 |
0.5 | 6 | 30 | 9.975 | 70.575 | 4.80 |
1.5 | 6 | 30 | 9.983 | 67.500 | 4.04 |
1.5 | 6 | 50 | 9.982 | 66.175 | 4.58 |
1.5 | 6 | 30 | 9.991 | 70.025 | 5.30 |
1.5 | 6 | 30 | 9.984 | 67.500 | 4.44 |
1.5 | 6 | 30 | 9.987 | 66.175 | 3.26 |
2.5 | 10 | 50 | 9.993 | 70.025 | 4.29 |
1.5 | 10 | 30 | 9.987 | 68.350 | 3.53 |
2.5 | 10 | 10 | 9.983 | 66.175 | 2.92 |
1.5 | 6 | 10 | 9.974 | 70.025 | 3.26 |
1.5 | 6 | 30 | 9.983 | 68.350 | 4.35 |
1.5 | 2 | 30 | 9.994 | 67.400 | 4.80 |
2.5 | 2 | 50 | 9.914 | 70.025 | 4.33 |
0.5 | 10 | 50 | 9.972 | 68.350 | 3.57 |
1.5 | 6 | 30 | 9.983 | 67.400 | 3.52 |
0.5 | 2 | 10 | 9.981 | 71.025 | 3.02 |
Max | 9.994 | 70.575 | 5.30 | ||
Min | 9.914 | 66.175 | 2.84 | ||
