确定传动轮系和轴系的扭转刚度的习惯方法,往往局限于等直径圆形轴,通常不涉及到花键、键槽以及有台阶的轴。然而,通过把这些轴看作是轴的串、并联组合,就能对这些轴进行分析。 一根轴的扭转刚度C,定义为在轴的长度范围内,产生单位角位移θ所需要的扭矩T,其方程为 The customary methods of determining the torsional stiffness of the drive train and shaft are often limited to equi-diameter circular shafts, usually without splines, keyways and stepped shafts. However, these axes can be analyzed by treating the axes as strings of axes, combined in parallel. The torsional stiffness C of a shaft, defined as the torque T required to produce a unit angular displacement θ over the length of the shaft, has the equation