Research Article
Research on Dynamic Balance of Spindle Rotor System Based on Particle Swarm Optimization
Table 5
The specific parameters of spindle.
| Parameter | Size |
| Axial length | 400 mm | Radius of the rotor | 50 mm | Modulus of elasticity | E = 2.1 × 1011 | Frequency | 500 Hz | Current | 22.3 A | Front bearing | 7012 angular contact ball bearings | Rear bearing | 7009 angular contact ball bearings | Cooling | Water cooling | Lubrication | Oil and gas lubrication | Logarithm of motor poles | 2 | Power | 11 kW |
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