Stress analysis of a new type of cylindrical gear with circular arc tooth trace

Jian Zhang; Xue Yang; Xuemei Qi; Guangchun Yang

doi:10.1117/12.3030302

5 June 2024 Stress analysis of a new type of cylindrical gear with circular arc tooth trace

Jian Zhang, Xue Yang, Xuemei Qi, Guangchun Yang

Proceedings Volume 13163, Fourth International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2024); 1316325 (2024) https://doi.org/10.1117/12.3030302
Event: International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2024), 2024, Xi'an, China

Abstract

A new type of high-strength gear called the involute cylindrical gear has been invented. Using Creo software, a parametric modeling of the involute cylindrical gear was performed based on the tooth flank geometry equations and ideal meshing analysis. This was accomplished by utilizing the geometric parameters of the complete involute cylindrical gear based on the curve equations in the Cartesian coordinate system as well as the tooth profile equation. Ansys created a size-based analysis model of the involute cylindrical gear based on the precise gear parameter model and compared its stress distribution under heavy, medium, and light load conditions with that of a helical gear. The analysis results are as follows: (1) Whether it is a small gear or a large gear, the maximum equivalent tensile stress at the tooth root of the involute cylindrical gear is close to the middle tooth pitch, and the root stress decreases after an initial increase. (2) The instantaneous contact line during the meshing of the involute cylindrical gear is longer, which significantly improves the tooth contact strength. (3) Under light load conditions, the involute cylindrical gear withstands 67.3% of the maximum load capacity of the helical gear. Under medium load conditions, the tooth contact stress of the involute cylindrical gear accounts for 64.7% of the heavy load, and the exposure stress of the involute cylindrical gear accounts for 32.2% of the helical gear. (4) The tooth contact strength of the involute cylindrical gear is also excellent. Compared to helical gears, the involute cylindrical gear is more suitable for applications under heavy load conditions.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Jian Zhang, Xue Yang, Xuemei Qi, and Guangchun Yang "Stress analysis of a new type of cylindrical gear with circular arc tooth trace", Proc. SPIE 13163, Fourth International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2024), 1316325 (5 June 2024); https://doi.org/10.1117/12.3030302

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KEYWORDS

Teeth

Stress analysis

Analytical research

Finite element methods

Modeling

3D modeling

Titanium

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