Research Article
Robust Chatter Stability Prediction of the Milling Process considering Uncertain Machining Positions
Table 5
The minimum and maximum values of the example position and machining space.
| | Direction | X | Y | | Natural frequency ω (Hz) | Damping ratio ζ (%) | Stiffness K (×109 N/m) | Natural frequency ω (Hz) | Damping ratio ζ (%) | Stiffness K (×109 N/m) |
| | Basic value | 1392 | 2.59 | 0.39 | 636 | 1.89 | 0.13 |
| | Minimum value | 1336 × 1.029 | 2.37 × 1.029 | 0.24 × 1.029 | 664 × 1.029 | 1.71 × 1.029 | 0.11 × 1.029 |
| | Maximum value | 1468 × 0.971 | 2.81 × 0.971 | 0.43 × 0.971 | 612 × 0.971 | 2.05 × 0.971 | 0.15 × 0.971 |
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