Open Access
Table 1
Machining conditions during the experiment.
| Machining condition | Description |
|---|---|
| Machine tool | CNC lathe (Jyoti India Pvt. Ltd.) |
| Test sample | AISI 4340 grade steel (50 HRC) |
| Test sample diameter | 38 mm |
| Cutting length | 175 mm |
| TiN/TiCN/Al2O3 coated carbide (CVD) | |
| Plan of experiments | L16 |
| Cutting speed | 50, 100, 150 and 200 m/min |
| Feed rate | 0.04, 0.08, 0.12 and 0.16 mm/rev |
| Depth of cut | 0.1, 0.2, 0.3 and 0.4 mm |
| Pulse time | 1, 2, 3, 4 s |
| Cutting surroundings | Pulse MQL |
| Lubricant | LRT 30 (supplied by Dropsa) |
| Response | Chip tool interface temperature (T), flank face temperature (Tf) and machined work surface temperature (Tw). |
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