Lifetime Determination of the Raceway of a Large Three-Row Roller Slewing Bearing

Peter Göncz; Rok Potočnik; Srečko Glodež

doi:10.4028/www.scientific.net/KEM.488-489.113

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Rolling Contact Fatigue Crack Growth Prediction by the Asperity Point Load Mechanism
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Mechanical Characterization of Friction Stir Channels under Internal Pressure and In-Plane Bending
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Numeric Simulation of Fatigue Crack Growth in a Material Graded Structure
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Lifetime Determination of the Raceway of a Large Three-Row Roller Slewing Bearing
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Development of a Low-Constraint SE(T) Toughness Test
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Modelling of Crack Bifurcation in Laminar Ceramics with Large Compressive Stress
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HomeKey Engineering MaterialsKey Engineering Materials Vols. 488-489Lifetime Determination of the Raceway of a Large...

Lifetime Determination of the Raceway of a Large Three-Row Roller Slewing Bearing

Abstract:

This paper deals with calculation procedure for lifetime determination of a large three-row roller slewing bearing. First, the contact force distribution between the rollers and the bearing raceway is determined both analytically and numerically. Then, the position and the magnitude of the maximum contact force are identified. In a separate numerical model finite element analyses are performed to determine the subsurface stress distribution as the result of contact between the raceway and different rollers. These stress fields serve as an input for the fatigue lifetime calculation, which is done in accordance with the stress-life approach (S-N). At the end the influence of roller geometry on the calculated fatigue life is presented.

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Periodical:

Key Engineering Materials (Volumes 488-489)

Pages:

113-116

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.488-489.113

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Online since:

September 2011

Authors:

Peter Göncz, Rok Potočnik, Srečko Glodež

Keywords:

Contact Fatigue, Contact Load Distribution, Large Three-Row Roller Slewing Bearing, Numerical Model

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References

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