Analytical modelling of spur gear tooth crack and influence on gearmesh stiffness

被引：365

作者：

Chaari, Fakher ^{[1
]}

Fakhfakh, Tahar ^{[1
]}

Haddar, Mohamed ^{[1
]}

机构：

[1] Natl Sch Engineers Sfax, Dept Mech Engn, Dynam Mechan Syst Res Unit, Sfax 3038, Tunisia

来源：

EUROPEAN JOURNAL OF MECHANICS A-SOLIDS | 2009年 / 28卷 / 03期

关键词：

Gearmesh stiffness; Gear-tooth failures; Cracks; Analytical modelling; Finite element model; TRANSMISSION; WEAR;

D O I：

10.1016/j.euromechsol.2008.07.007

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

Due to excessive service load, inappropriate operating conditions or simply end of life fatigue, damage can occur in gears. When a fault, either distributed or localised, is incurred by gears, the stiffness and consequently vibration characteristics of the damaged tooth will change. In this work an analytical formulation of the time varying gearmesh stiffness was derived. An original analytical modelling of tooth cracks is presented and the gearmesh stiffness reduction due to this fault is quantified. A comparison with finite element model is presented in order to validate the analytical formulation. (C) 2008 Elsevier Masson SAS. All rights reserved.

引用

页码：461 / 468

页数：8

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