高速用3K型トラクションドライブ式CVTの開発 : 第1報, 基本構成

概要

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Traction drives can be operated at low level of vibration and noise, so they are more suitable to high speed rotation than gears. Furthermore, they are useful in continuously variable transmission (CVT). The purpose of this paper is to develop a traction drive CVT that has high speed ratio and enables high speed rotation. In this study, a 3K-type planetary gear system is applied to a traction drive and the fundamental structure is examined. As a result, it is found that the cone can be balanced dynamically under a wide range of operating conditions, by optimizing the shape and layout of the cone. Furthermore, by reducing the effect of spin and the contact pressure, a CVT, which is capable for high speed rotation and long life, can be realized.
2000-05-25