Journal Article10.1016/J.ENGFAILANAL.2014.12.014
Fault feature analysis of planetary gear system with tooth root crack and flexible ring gear rim
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TL;DR: In this paper, an analytical model for mesh stiffness calculation is developed based on the potential energy principle and uniformly curved Timoshenko beam theory, which enables exploring the effects of the tooth root crack fault and the flexible ring gear rim on the dynamic responses.
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About: This article is published in Engineering Failure Analysis. The article was published on 01 Mar 2015. The article focuses on the topics: Non-circular gear & Fault detection and isolation.
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Citations
A hybrid finite element and analytical model for determining the mesh stiffness of internal gear pairs
Feng Shuo,Lehao Chang,Zhaoxia He +2 more
TL;DR: In this paper, the authors developed an efficient model for calculating the mesh stiffness of spur/helical internal gear pairs by combining the finite element method (FEM) and analytical formula.
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Dynamic Analysis of Planetary Gear with Root Crack in Sun Gear Based on Improved Time-Varying Mesh Stiffness
TL;DR: In this article, a mesh stiffness improved method considering both the gear tooth transition curve and deformation of the gear body is presented, and the stiffness calculation expressions under healthy and crack states are given, respectively.
Dynamic modeling and response of a spur planetary gear system with journal bearings under gravity effects
TL;DR: In this paper, the authors focus on the modeling method and the gravity-induced dynamic response of a spur planetary gear system with journal bearings and present a lumped-parameter model of the system.
13
Analytical coupling characterization of multi-stage planetary gear free vibration considering flexible structure
TL;DR: In this paper, a coupled lateral-torsional-axial vibration dynamical model of the planetary gear system is established under the generalized coordinate system using the shafting element method.
Effect of the radial support stiffness of the ring gear on the vibrations for a planetary gear system
TL;DR: In this paper, the ring gear is elastically fixed with the gearbox and is one of the critical components of various industrial transmission systems, such as planter gear system, gearbox materials and their as...
12
References
Contribution of Gear Body to Tooth Deflections—A New Bidimensional Analytical Formula
TL;DR: In this paper, an improved fillet/foundation compliance analysis based on the theory of Muskhelishvili applied to circular elastic rings is presented, which can be directly integrated into gear computer codes.
521
Dynamic simulation of spur gear with tooth root crack propagating along tooth width and crack depth
Zaigang Chen,Yimin Shao +1 more
TL;DR: In this paper, an analytical model is proposed to investigate the effect of gear tooth crack on the gear mesh stiffness, where both the tooth crack propagations along tooth width and crack depth are incorporated in this model to simulate gear tooth root crack, especially when it is at very early stage.
463
Analytical modelling of spur gear tooth crack and influence on gearmesh stiffness
TL;DR: In this paper, an analytical formulation of the time varying gearmesh stiffness was derived and an original analytical modelling of tooth cracks was presented and the gear mesh stiffness reduction due to this fault was quantified.
428
Simulation of spur gear dynamics and estimation of fault growth
Siyan Wu,Ming J. Zuo,Anand Parey +2 more
TL;DR: In this article, the effects of tooth crack on the vibration response of a one-stage gearbox with spur gears are studied and the growth in a tooth crack is reflected in the total mesh stiffness of the gear system.
408
Mesh stiffness calculation of a spur gear pair with tooth profile modification and tooth root crack
Zaigang Chen,Yimin Shao +1 more
TL;DR: In this paper, a general analytical mesh stiffness model is proposed to include the effect of the gear tooth errors, which is suitable for not only the gear pairs with low contact ratio (LCR), but also the gear pair with high contact ratio(HCR).
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