Vehicle Gearbox Dynamics: Centre Distance Influence on Mesh Stiffness and Spur Gear Dynamics

Abstract Vehicle gearbox dynamics is characterized by time varying mesh stiffness. The paper presents a survey of methods used for determining mesh stiffness and the analysis of the centre distance influence on it. The refined mathematical transmission model presenting the centre distance as a variable is presented. The centre distance error as well as backlash and bearing flexibility is defined and the influence of these factors on mesh stiffness and spur gear dynamics is investigated. The results obtained from this paper may be used in gear‐box diagnostics.

[1]  Stuart K. Clark.  Classification of Faults , 1942 .

[2]  M. Haddar,et al.  Nonlinear dynamics of a two-stage gear system with mesh stiffness fluctuation, bearing flexibility and backlash , 2009 .

[3]  Rajendra Singh,et al.  Prediction of dynamic friction forces in spur gears using alternate sliding friction formulations , 2008 .

[4]  Grzegorz Litak,et al.  Dynamics of a Gear System with Faults in Meshing Stiffness , 2004, nlin/0405053.

[5]  Cheon Gill-Jeong,et al.  Nonlinear behavior analysis of spur gear pairs with a one-way clutch , 2007 .

[6]  Jao-Hwa Kuang,et al.  The Effect of Tooth Wear on the Vibration Spectrum of a Spur Gear Pair , 2001 .

[7]  Mohamed Haddar,et al.  Three-Dimensional Analyses by Finite Element Method of a Spur Gear: Effect of Cracks in the Teeth Foot on the Mesh Stiffness , 2007 .

[8]  Mohamed Haddar,et al.  Effect of manufacturing and assembly defects on two-stage gear systems vibration , 2005 .

[9]  H. Nevzat Özgüven,et al.  Nonlinear Dynamic Modeling of Gear-Shaft-Disk-Bearing Systems Using Finite Elements and Describing Functions , 2004 .

[10]  O. I. Kosarev,et al.  Control of Gear Vibrations at Their Source , 2003 .

[11]  Ian Howard,et al.  A Common Formula for the Combined Torsional Mesh Stiffness of Spur Gears , 2007 .

[12]  Keith Worden,et al.  Classification of faults in gearboxes — pre-processing algorithms and neural networks , 1997, Neural Computing & Applications.

[13]  Marijonas Bogdevičius,et al.  Dynamic Processes of Rotating System with Coupling , 2006 .

[14]  Eugene I. Rivin,et al.  Vibration Of Bearings , 1989 .

[15]  Masahiro Utagawa.  Dynamic Loads on Spur Gear Teeth , 1958 .