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25 April 2022 Axial modification of helical gear used for transmission case of internal combustion locomotive
Zailin Ge, Geng Hou, Yanli Wang, Ming Xia
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Proceedings Volume 12244, 2nd International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2022); 122440Q (2022) https://doi.org/10.1117/12.2634710
Event: 2nd International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2022), 2022, Guilin, China
Abstract
Internal combustion locomotive is an important vehicle to provide railway traction power. Aiming at the serious heating problem of transmission case of internal combustion locomotive, the influence of axial modification of helical gear used for transmission case on contacting state of gear tooth was studied. In order to reduce the contact stress and weaken the uneven distribution of loading on the tooth surface, the axial slope modification was carried out. And for reducing the contact stress at the edge of the tooth surface, the axial crown modification was carried out. Furthermore, the contacting states of tooth surface before and after axial modification were compared, and the influence of modification amount on contacting stress of tooth surface was also analyzed by virtual prototype simulation. Moreover, the modified helical gear meshes with two gears. Through tooth axial modification, the contacting state of the modified gear was significantly improved during meshing with two gears, which is helpful to prolong the life of the gear.
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Zailin Ge, Geng Hou, Yanli Wang, and Ming Xia "Axial modification of helical gear used for transmission case of internal combustion locomotive", Proc. SPIE 12244, 2nd International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2022), 122440Q (25 April 2022); https://doi.org/10.1117/12.2634710
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KEYWORDS
Prototyping
Manufacturing
Mechanical engineering
Systems modeling
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