Tooth Contact Analysis of Cylindrical Gears with an Unconventional Tooth Profile
1
Faculty of Mechanical Engineering and Aeronautics, Department of Mechanical Engineering, Rzeszow University of Technology, al. Powstańców Warszawy 8, 35-959 Rzeszów, Poland
Corresponding author
Michał Batsch
Faculty of Mechanical Engineering and Aeronautics, Department of Mechanical Engineering, Rzeszow University of Technology, al. Powstańców Warszawy 8, 35-959 Rzeszów, Poland
Faculty of Mechanical Engineering and Aeronautics, Department of Mechanical Engineering, Rzeszow University of Technology, al. Powstańców Warszawy 8, 35-959 Rzeszów, Poland
Adv. Sci. Technol. Res. J. 2022; 16(4):119-129
KEYWORDS
contact patterneccentric-cycloidal gearinginvolute gearingNovikov gearingsliding velocitytransmission error
TOPICS
ABSTRACT
The paper presents mathematical models of cylindrical gear pairs with various types of tooth profiles, such as eccentric-cycloidal, concavo-convex Novikov type, and involute. Comparative analyses were provided for the aforementioned gear meshes, aimed at determining contact patterns, sliding velocity, and transmission errors. Tooth surface modifications were also considered. The results were compared with findings for a conventional involute gearing. It was found that the contact pattern in Novikov conformal gearing is 30% greater than in the involute gear pair, and 60% greater than in the eccentric-cycloidal gear pair. The smallest sliding velocity was obtained in Novikov gearing, which may be beneficial in terms of durability.
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