Free Contact Angles in Pitch Bearings and their Impact on Contact and Stress Conditions

@inproceedings{Schwack2016FreeCA,
  title={Free Contact Angles in Pitch Bearings and their Impact on Contact and Stress Conditions},
  author={Fabian Schwack and Kg and Imostra{\ss}e},
  year={2016}
}
The pitch bearing, which connects the hub and the blades, allows the required oscillating movements of the blade, to change the angle of attack thus reducing the lift and drag coefficients there by controlling power and loads of the wind turbine. During the service life of the turbine of approximately 20 years the pitch bearing is loaded dynamically. In a double row four-point contact ball bearing, which is often used for this application, the described loads lead to radial and axial… CONTINUE READING

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