Influence of Flyweight Profile on Regulating Characteristic of Rubber V-Belt CVT

Hua Feng Ding; Cai Chao Zhu; Huai Ju Liu

doi:10.4028/www.scientific.net/AMM.86.210

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Influence of Flyweight Profile on Regulating Characteristic of Rubber V-Belt CVT

Abstract:

Flyweight is an important part of CVT (continuously variable transmission), whose quality affects the regulating characteristics directly. This paper investigates the influence of flyweight profile on regulating characteristics, which based on the numerical model of the rubber V-belt CVT in steady state. Ideal profile of the flyweight is described which can lead to a constant power peak engine speed. In view of manufacture, the profile is simplified to be an arc and two arcs, respectively, to view the variation of the regulating line of the CVT. Conclusion can be proposed that multi-arcs, like two arcs is better compared with the profile made up of only one constant radius arc according to the subsequence regulating characteristic of CVT.