英语释义

1. the root of a gear tooth also the distance between the dedendum circle and pitch circle of a gear wheel or rack — compare addendum

片语

tooth dedendum齿根高

Mean dedendum中点齿根高

Outer dedendum大端齿根高

dedendum distance齿根距离

dedendum undercutting齿根根切

dedendum cone齿根锥

dedendum coefficient谷高系数

dedendum flank下齿面

dedendum circle[机] 齿根圆

英汉例句

• because of the tooth thickness of the dedendum is larger than that of the common involute gear and the pitchs do not contact each other, the beam strength and surface strength of tooth are increased.

  由于该齿轮的齿根厚度比普通渐开线齿轮的齿根厚，并且节点附近不相接触，因此，其轮齿弯曲强度和接触强度都提高。

• abstract: this paper designs a measuring instrument which can measure addendum circle and dedendum circle diameter of odd_tooth gears and can define all main parameters of gears.

  文摘：设计了一种测量工具，用以测量奇数齿齿轮的齿顶圆和齿根圆直径，以便确定齿轮的主要参数。

• we have made certain that the reason of the splined spindle rapture is fatigue failure, its crack initiation lies in the minimal knuckle curvature radius surface region of the spline dedendum bottom.

  初步确定了花键轴的断裂是疲劳断裂，裂纹源在花键齿根底部过渡圆角曲率半径最小的表面部位。

• the tooth shape deviation in the worn traction gear will increase the vibration of traction gear and traction motor, increase the noise and increase by large scale the dedendum stress.

  牵引齿轮磨损产生的齿形偏差使得牵引构轮和牵引电机振动加剧，噪声增大，齿根应力大幅度增大。