Results 181 to 190 of about 33,818 (247)
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, 2021
In the traditional calculation model of mesh stiffness, the tooth root crack is commonly assumed to be in a closed state. However, the gear tooth crack will open under the action of mesh force in the meshing process, the mesh stiffness of the cracked ...
Lantao Yang +3 more
semanticscholar +1 more source
In the traditional calculation model of mesh stiffness, the tooth root crack is commonly assumed to be in a closed state. However, the gear tooth crack will open under the action of mesh force in the meshing process, the mesh stiffness of the cracked ...
Lantao Yang +3 more
semanticscholar +1 more source
Effect of Backlash on Transmission Error and Time Varying Mesh Stiffness
2021Gears suffer by unavoidable time-varying mesh stiffness. Noise and vibrations amplitudes show the transmission error occurred within the components of power transmission error. The Gear Trax software has been used to model the gear with different amounts of backlash (from 0 mm to 1 mm by 0.2 mm increments) so that this gives a backlash due to the ...
Getachew A. Ambaye, Hirpa G. Lemu
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Influences of friction and mesh misalignment on time-varying mesh stiffness of helical gears
Journal of Mechanical Science and Technology, 2017As one of the most important excitation sources of vibration, time-varying mesh stiffness of helical gear pairs need accurately calculated. Compared with spur gears, friction in helical gears is significant. This work for the first time presents an improved calculation method for the mesh stiffness of helical gears with effect of friction incorporated.
Lin Han, Lixin Xu, Houjun Qi
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Parametric vibration of split gears induced by time-varying mesh stiffness
Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 2014Time-varying mesh stiffness is a significant excitation source within gear systems. Split gear (or laminated gear, phase gear) is an interesting design using equally phased gear-slices, which can remarkably reduce the mesh stiffness fluctuation like helical gears but completely avoid the axial force. This work examines a split gear pair to address the
Dongsheng Zhang, Shiyu Wang
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, 2020
Time-varying meshing stiffness (TVMS) of gears will decrease when gear fault occurs. Therefore, it can be used as an indication to reflect whether the gear is healthy.
Zong Meng, Fulin Wang, Guixia Shi
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Time-varying meshing stiffness (TVMS) of gears will decrease when gear fault occurs. Therefore, it can be used as an indication to reflect whether the gear is healthy.
Zong Meng, Fulin Wang, Guixia Shi
semanticscholar +1 more source
Proceedings of the Institution of mechanical engineers. Part J, journal of engineering tribology
This study proposes a novel method for calculating the time-varying mesh stiffness (TVMS) of a planetary gear-annulus pair considering elastohydrodynamic lubrication (EHL) to investigate the impact of EHL characteristics between gear surfaces on the mesh
Shi Wu +4 more
semanticscholar +1 more source
This study proposes a novel method for calculating the time-varying mesh stiffness (TVMS) of a planetary gear-annulus pair considering elastohydrodynamic lubrication (EHL) to investigate the impact of EHL characteristics between gear surfaces on the mesh
Shi Wu +4 more
semanticscholar +1 more source
Parametric Instability in Planetary Gears With Frequency-Modulated Time-Varying Mesh Stiffness
Volume 8: 26th Conference on Mechanical Vibration and Noise, 2014A rotational model of planetary gears is developed which incorporates mesh stiffness variation and input speed fluctuations. Gear mesh stiffness is approximated by rectangle wave and different harmonic orders are considered. Because of speed fluctuations, the mesh stiffness is frequency modulated.
Xinghui Qiu, Qinkai Han, Fulei Chu
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Quality and Reliability Engineering International
In mixed elastohydrodynamic lubrication (EHL), the load distribution between the gear meshing surfaces is shared by the oil film and the asperities of the gear's rough surface. Based on the load‐sharing concept, this paper proposes a time‐varying meshing
Yingkui Gu +3 more
semanticscholar +1 more source
In mixed elastohydrodynamic lubrication (EHL), the load distribution between the gear meshing surfaces is shared by the oil film and the asperities of the gear's rough surface. Based on the load‐sharing concept, this paper proposes a time‐varying meshing
Yingkui Gu +3 more
semanticscholar +1 more source
Journal of Strain Analysis for Engineering Design
The vibration characteristics and fault diagnosis of herringbone gears are significantly affected by the time-varying meshing stiffness (TVMS), a crucial internal excitation factor.
Hao Dong +4 more
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The vibration characteristics and fault diagnosis of herringbone gears are significantly affected by the time-varying meshing stiffness (TVMS), a crucial internal excitation factor.
Hao Dong +4 more
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Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 2023
Due to the complex structure of the planetary gear train, the influence of early fault on the dynamic characteristics of the planetary gear train is complex and changeable.
Shuai Mo +6 more
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Due to the complex structure of the planetary gear train, the influence of early fault on the dynamic characteristics of the planetary gear train is complex and changeable.
Shuai Mo +6 more
semanticscholar +1 more source