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- Title
Microscopic Trimming and Dynamic Contact Performance of Transmission Gears in Electric Bus.
- Authors
Qingyong Zhang; Yaru Wang; Zhenfei Lu; Weiping Lin
- Abstract
Different type of transmission structure is used for pure electric vehicles. Enhancing the transmission performance is the key to improve their dynamic property and economic efficiency. In this paper, a two-speed planetary transmission for a self-designed 10-12m bus is studied. A simulation model of the transmission is created according to the gear meshing principle and the load spectra are established by simulating the probable loads on the transmission during actual operation. The gear drive process of the transmission, as well as the gear safety factors, damage rates and meshing dislocation are analysed. Trimming curves are derived based on the principles of axial and tooth profile modification. The contact spots and transmission errors of gear meshing obtained before and after trimming are analysed comparatively using MASTA's gear microscopic trimming module, thereby determining the reasonable method and quantity of trimming for the studied transmission gear.
- Subjects
ELECTRIC motor buses; ELECTRIC power transmission; CUTTING (Materials); SAFETY factor in engineering; ECONOMIC efficiency; ELECTRIC vehicles
- Publication
International Journal of Vehicle Structures & Systems (IJVSS), 2019, Vol 11, Issue 4, p400
- ISSN
0975-3060
- Publication type
Article
- DOI
10.4273/ijvss.11.4.12