Failure prediction, monitoring and diagnosis methods for slewing bearings of large-scale wind turbine: A review

X **, Y Chen, L Wang, H Han, P Chen - Measurement, 2021 - Elsevier
Slewing bearings for large-scale wind turbine generator system (WTGS) are critical
components to achieve optimum aerodynamic power capture by adjusting the nacelle and …

Investigation on 3D fatigue crack propagation in pitch bearing raceway of offshore wind turbines

Y Chen, X **, Y Yue, S Wang, H Han, M Wen… - Ocean …, 2023 - Elsevier
In complex marine environments, pitch bearings are more prone to crack initiation,
propagation, and evolution, which leads to contact fatigue problems. Accurately identifying …

Finite element modeling of the contact of elements preloaded with a bolt and externally loaded with any force

R Grzejda - Journal of Computational and Applied Mathematics, 2021 - Elsevier
The subject of the paper is numerical tests of the contact of a pair of elements joined with a
bolt and externally loaded with an arbitrary force. In the modeling, non-linear phenomena …

Mechanical model and contact properties of double row slewing ball bearing for wind turbine

H Zhang, S Chen, Y Dou, H Fan… - Reviews on Advanced …, 2021 - degruyter.com
In this paper, the mechanical models of large-scale double row slewing ball bearing
considering combined loading conditions were presented based on the rigid rings and …

Maintenance management of large-size rolling bearings in heavy-duty machinery.

M Krynke, K Knop, M Mazur - Acta Montanistica Slovaca, 2022 - search.ebscohost.com
Slewing bearings are one of the most important elements in the vast majority of large-size
machines. They are widely used in the mining industry: tunnel cutters, bucket excavators …

Calculation analysis of yaw bearings with a hardened raceway

P He, R Hong, H Wang, X Ji, C Lu - International Journal of Mechanical …, 2018 - Elsevier
The yaw bearing is a key support structure of wind turbines and is often exposed to
substantial complex loads that cause damage and fatigue failure. Raceway surfaces …

Structural optimization of pitch bearings for offshore wind turbines

X **, Y Yue, Y Chen, J Du, M Wen, A Wu, J Tan - Ocean Engineering, 2023 - Elsevier
Pitch bearings are key components for the pitch system of wind turbines, and their reliability
is closely associated with normal operation of wind turbines. In this paper, to solve the low …

Hardened raceway calculation analysis of a three-row roller slewing bearing

P He, R Liu, R Hong, H Wang, G Yang, C Lu - International Journal of …, 2018 - Elsevier
Three-row roller slewing bearings are large and often exposed to quite complex loads. The
raceway surface is hardened to improve its carrying capacity. An inadequate hardened …

A new finite element approach for the analysis of slewing bearings in wind turbine generators using superelement techniques

J Plaza, M Abasolo, I Coria, J Aguirrebeitia… - Meccanica, 2015 - Springer
Several analytical models have been proposed to estimate the load distribution and the
deformation of slewing bearing assemblies in wind turbine generators (WTGs). Even though …

Modification of the raceway profile of a single-row ball slewing bearing

L Kania, R Pytlarz, S Śpiewak - Mechanism and Machine Theory, 2018 - Elsevier
The paper attempts to analyze the phenomena in the contact zone of a four-point single-row
slewing bearing. Contact angle of slewing bearings changes over a substantial range. The …