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Optimal conditions for the off-axis nozzle required for obtaining good quality cuts as proposed by different authors.
| Nozzle Type | Nozzle Diameter (mm) | Angle Off-Axis Nozzle/Laser Beam (°) | Supply Pressure (bar) | Reference |
|---|---|---|---|---|
| – | – | 50 | 2.5 | [55] |
| Converging (Oval shape) | 5.5 | 35 | 4.8 | [84] |
| Cylindrical | 1.1 | 40 | 2.6–4.6 | [85] |
| Cylindrical | 1.1 | 38–40 | >3.1 | [86] |
| Cylindrical | 1.1 | 40 | 3.3–3.9 | [96] |
| Converging | 1.5 | 35–40 | 6.2 | [89] |
| Laval | 1.7 | 45–55 | 8 | [92] |
| Laval | 1.7 | 45–55 | 8 | [94] |
