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Design and analysis of the Gemini chain system in dual clutch transmission of automobile

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Abstract

Chain drive system is widely used in the conditions of high-speed, overload, variable speed and load. Many studies are focused on the meshing theory and wear characteristics of chain drive system, but system design, analysis, and noise characteristics of the chain drive system are weak. System design and noise characteristic are studied for a new type Gemini chain of dual-clutch automatic transmission. Based on the meshing theory of silent chain, the design parameters of the Gemini chain system are calculated and the mathematical models and dynamic analysis models of the Gemini chain system are established. Dynamic characteristics of the Gemini chain system is simulated and the contact force of plate and pin, plate and sprockets, the chain tension forces, the transmission error and the stress of plates and pins are analyzed. According to the simulation results of the Gemini chain system, the noise experiment about system is carried out. The noise values are tested at different speed and load and spectral characteristics are analyzed. The results of simulation and experimental show that the contact forces of plate and pin, plate and sprockets are smaller than the allowable stress values, the chain tension force is less than ultimate tension and transmission error is limited in 1.2%. The noise values can meet the requirements of industrial design, and it is proved that the design and analysis method of the Gemini chain system is scientific and feasible. The design and test system is built from analysis to test of Gemini chain system. This research presented will provide a corresponding theoretical guidance for the design and dynamic characteristics and noise characteristics of chain drive system.

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Correspondence to Yabing Cheng.

Additional information

Supported by National Natural Science Foundation of China(Grant No. 51305154), and Jilin Provincial Science and Technology Development Program: Automobile Coordinated Action, China(Grant No. 20116004).

CHENG Yabing, born in 1979, is currently an associate professor at College of Mechanical Science and Engineering, Jilin University, Changchun, China. She received her PhD degree from Jilin University, China, in 2007. Her research interests include simulation analysis and design method of automobile chain transmission system.

GUO Haitao, born in 1988, is currently a master candidate at College of Mechanical Science and Engineering, Jilin University, Changchun, China. His major research interests include design and analysis of automobile chain transmission system.

FU Zhenming, born in 1965, is currently a professor at Qingdao CHOHO Industry Limited Company, Qingdao, China. His research interests include chain system design.

WAN Nen, born in 1988, is currently a master candidate at College of Mechanical Science and Engineering, Jilin University, Changchun, China.

LI Lei, born in 1988, is currently a master candidate at College of Mechanical Science and Engineering, Jilin University, Changchun, China.

WANG Yang, born in 1988, is currently a master candidate at College of Mechanical Science and Engineering, Jilin University, Changchun, China.

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Cheng, Y., Guo, H., Fu, Z. et al. Design and analysis of the Gemini chain system in dual clutch transmission of automobile. Chin. J. Mech. Eng. 28, 38–45 (2015). https://doi.org/10.3901/CJME.2014.0909.147

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  • DOI: https://doi.org/10.3901/CJME.2014.0909.147

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