Research Article
Investigation on Effect of Material Hardness in High Speed CNC End Milling Process
Table 1
Factor and levels for testing for stainless steel.
| Factor | Level 1 | Level 2 | Level 3 |
| Cutting speed (rpm) | 4000 | 9000 | 12000 | Feed rate (mm/rev/min) | 900 | 1800 | 3000 | Depth of cut (mm) | 0.1 | 0.2 | 0.3 |
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