This paper covers the set up of the space coordinate axis of the ring fork U joint, and through the analysis of the additional moment in the ring fork U joint it presents how the value of the additional moment is obtained.
本文用空间解析几何法建立了环叉式万向节的空间坐标系 ,并对环叉式万向节的附加力矩进行分析 ,得出了附加力矩的数学表达式。