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Unloaded Synchronizer Wear in Manual Transmission Gearbox Mahindra and Mahindra Limited
- Format:
- Book
- Conference/Event
- Author/Creator:
- K, Barathiraja, author.
- Conference Name:
- International Conference on Advances in Design, Materials, Manufacturing and Surface Engineering for Mobility (2020-09-25 : Chennai, India)
- Language:
- English
- Physical Description:
- 1 online resource cm
- Place of Publication:
- Warrendale, PA SAE International 2020
- Summary:
- Synchronizers are the most critical parts in a manual transmission gearbox. There are classical calculations available for the synchronizer design and studies are available for the normal functioning of synchronizer rings which describes how the synchronizer behaves in the event of gear shifting. The objective of this study is to describe the synchronizer behavior when synchronizers are not functional. ie., in gear engaged condition and the rings are free. This study describes the failure mechanism of the unused synchronizer rings which are moving freely in the packaging space. The findings of this synchronizer design cannot be limited only for synchronizer performance and standard durability calculations. To ensure proper function of synchronizer rings and to achieve the required life the external parameters like clearances, lubrication, clutch design for dampening torsional vibration from engine are to be considered. From the tests, its observed that the high-speed difference and the vibrations causes the burning of the synchronizer ring and the wear of the threads. This burning increase exponentially with the increase in the testing time. This technical paper covers the failure mechanism and the methodology to avoid unloaded synchronizer wear. The study presented in this paper describes the synchronizer behavior when synchronizers are not functional either gear is engaged, or other gear is engaged in transmission
- Notes:
- Vendor supplied data
- Publisher Number:
- 2020-28-0334
- Access Restriction:
- Restricted for use by site license
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