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Verification test.
| Test No. | Spindle Speed (rpm) | Feed Rate (mm/min) | Depth of Cut (µm) | Tool | Predicted Value of Ra (µm) | Experimental Value of Ra (µm) |
|---|---|---|---|---|---|---|
| 1 | 20,000 | 100 | 10 | T1 | 0.230 | 0.219 |
| 2 | 10,000 | 50 | 15 | T1 | 0.210 | 0.211 |
| 3 | 15,000 | 100 | 10 | T1 | 0.270 | 0.254 |
| 4 | 20,000 | 150 | 05 | T1 | 0.215 | 0.216 |
| 5 | 20,000 | 50 | 15 | T1 | 0.250 | 0.242 |
