公法线

• In this paper , the relation between differential driven ratio accuracy and the common normal length error of cylindrical bevel wheel has been found by experimental method , which provides a efficient way for cylindrical bevel wheel manufacturer to control the common normal length error of the wheel
  摘要通过实验研究，寻找出差动传动比的精度与斜齿圆柱齿轮的公法线长度误差的关系，从而为斜齿圆柱齿轮的加工提供一个可以控制斜齿圆柱齿轮公发线长度误差的有效方法。