1) dedendum line;root line
齿根线
2) bottom line of teeth
齿根圆线
3) dedendum line of contact
齿根接触线
4) Tooth root transition line
齿根过渡线
5) teeth base curve
齿根过渡曲线
1.
The tooth bending stress effected by various teeth base curves;
齿根过渡曲线弯曲应力的分析
6) root undercut curve
齿根沉切曲线
1.
This paper is according to the principle of gear cutting,makes a theoretical analysis for the forming of the root undercut curve that uses the crowning rack cutter to precut it before grinding (or shaving).
根据齿轮加工原理，对于采用齿条型带凸角的磨（剃）前切齿刀具预切齿轮的齿根沉切曲线构形进行了理论分析，并且推导出构成齿轮齿很沉切曲线的渐开线、延伸渐开线和延伸渐开线等距曲线方程。
补充资料：六齿金线鱼
