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- W3014623949 abstract "Slewing support is widely used in large slewing machinery such as rocket launching platform, wind turbine and port crane. The accurate analysis of the internal stress in the raceway of ball roller is an important basis for studying the cause of bearing fatigue failure and improving the reliability of slewing support. In this paper, the finite element model of thrust angular contact rotary support was established in ANSYS. The stress distribution of the raceway of the ball under different working conditions was calculated by using bilinear isotropic plastic materials and linear elastic materials, and the equivalent stress resulted of the contact surface were compared with the Hertz contact model. This paper studied the factors that affect the distribution of the equivalent stress on the contact surface, calculates the ratio of the equivalent shear stress and the normal stress on the contact surface by finite element method, namely the equivalent friction coefficient, and studied the effect of the equivalent friction coefficient on the distribution of the stress inside the rolling ball. Simulation results show that plasticity occurs in the rolling ball." @default.
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- W3014623949 date "2020-03-31" @default.
- W3014623949 modified "2023-09-24" @default.
- W3014623949 title "Sub-surface stress analysis of slewing bearing ball based on plastic deformation" @default.
- W3014623949 cites W20859668 @default.
- W3014623949 doi "https://doi.org/10.1088/1757-899x/768/4/042027" @default.
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