Research Article
The Nonlinear Stability Prediction and FEM Modeling of High-Speed Spindle System with Joints Dynamic Characteristics
Table 4
The comparison of simulated and experiment results.
|
Order
i |
Experiment results
/Hz | Distribution spring model | Rigid connection model | Simulated results
/Hz | Errors
| Simulated results
/Hz | Errors
|
| | 1 | 282 | 276 | 2.13% | — | — | | 2 | 875 | 945 | 8% | 909 | 3.9% | | 3 | 1193 | 1139 | 4.53% | 1118 | 6.3% | | 4 | 1489 | 1580 | 6.11% | 2157 | 44.9% | | 5 | 2420 | 2382 | 1.57% | 2988 | 23.5% |
|
|
