齿顶高系数

齿顶高系数是设计齿轮时的重要几何参数，也是影响复合齿轮泵流量特性的重要参数之一。

The addendum coefficient is an important parameter in the designing the gear , and to affect the discharge characteristic of compound gear pump .

弯曲应力随齿根圆角半径的增大而减小，随齿顶高系数的减小而减小。

The results prove that the fillet bending stresses decrease as the coefficience of the tooth hight ( h_a ~ ) decreases and decrease as the fillet circle increases .

本文提出了渐开线外啮合变位齿轮几何参数优化设计的新方法-优选啮合角、螺旋角、变位系数、齿顶高系数四项参数的数学公式和避免各种干涉、增加强度的技术措施。

This paper puts forward a new method of optimizing geometric parameters for involute external modified gears : the formula of the four parameters & optimizing pressure angle , helix angle , modification coefficients and addendum coefficient . It also introduces various technical measures for avoiding interference and enhancing strength .