Table 6 U7(72) uniform design table
From: Investigation of Two-Dimensional Ultrasonic Surface Burnishing Process on 7075-T6 Aluminum
Serial number | Burnishing depth (mm) | Spindle speed (r/min) | Feed rate (mm/min) | BD | SS | FR | Surface roughnessSa (nm) | Vickers hardness (HV) |
|---|---|---|---|---|---|---|---|---|
1 | 0.18 | 5200 | 25 | 6.00 | 26 | 5 | 112.756 | 231 |
2 | 0.2 | 4600 | 25 | 6.66 | 23 | 5 | 106.624 | 235 |
3 | 0.22 | 5600 | 25 | 7.33 | 28 | 5 | 101.996 | 244 |
4 | 0.24 | 5000 | 25 | 8.00 | 25 | 5 | 76.138 | 252 |
5 | 0.26 | 4400 | 25 | 8.66 | 22 | 5 | 98.135 | 246 |
6 | 0.28 | 5400 | 25 | 9.33 | 27 | 5 | 82.497 | 233 |
7 | 0.3 | 4800 | 25 | 10.0 | 24 | 5 | 130.897 | 225 |