epicycloid

cycloid, involute of circle and epicycloid, then proceeds to argue that cycloid and involute of circle are both the limiting cases of epicycloid on the basis of article .

本文讨论了三种重要的平面曲线———摆线、圆的渐开线与外摆线的关系。

Study of the program used in CNC machining of the out-cycloid gear;

外摆线齿轮数控加工的程序研究

Improvement of Calculating Method on Geometric Parameters of Epicycloid Hypoid Gear;

延伸外摆线准双曲面齿轮几何参数计算法的改进