It is confirmed that the sinusoidal gear can be easily undercut with a specific addendum height value decided only by the design pressure angle of the gear.

• 经讨论和仿真证实；正弦齿条所生成的齿轮在一个特定的齿顶高下最容易发生根切；该齿顶高数值只取决于正弦齿轮的设计压力角.