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International Journal of Automotive Technology > Volume 7(4); 2006 > Article
International Journal of Automotive Technology 2006;7(4): 477-483.
DEVELOPMENT OF A VIBRATION MODEL OF A HELICAL GEAR PAIR FOR VEHICLE TRANSMISSION
W. S. KO1, H. W. LEE2, N. G. PARK2
1Hyosung
2Pusan National University
ABSTRACT
A vibration model of a helical gear pair for vehicle transmission is developed by considering the elastic deformation of the active teeth and the body to be a rigid. The main source of vibration in a helical gear system which caused by the mass unbalances of rotors and the transmission errors of gearings is mathematically formulated and applied to the analysis of vibration characteristics of geared systems. As an example, a simple geared system containing a helical gearing is considered. The critical speeds are found by the Campbell diagram and compared with the experimental results. We expect this developed program to contribute to the reduction of the vibration and noise on vehicle a transmission in the field of both design and manufacturing. In addition, this program can be used as a basic program for CAD/CAM of low-noised gear teeth.
Key Words: Helical gear, Vehicle transmission, Transmission error, Critical speeds, Vibration
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