Research Article
Optimization of Surface Roughness in Drilling Medium-Density Fiberboard with a Parallel Robot
Table 2
Drilling parameters and their levels.
| | Parameters | Symbol | Level 1 | Level 2 | Level 3 |
| | Point angle | A | 118 | 135 | — | | Cutting speed (m/min) | B | 15.7 | 31.4 | 47.1 | | Feed rate (mm/rev) | C | 0.01 | 0.03 | 0.05 |
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