contacting line

Based on the above results, the calculating formulae of the induced normal curvatures and the angles between the contacting line and direction of the relative sliding speed are introduced.

以上述工作为基础，进而导出了行星轮轮齿滚珠与定子螺旋面及转子蜗杆之间的接触线上诱导法曲率以及接触线与相对速度之间夹角计算公式。

Study on contacting line of two intersecting pipes in welding assembly

相交双管的焊接装配接触线

By the solution of the model, a calculating formula of the local dihedral angel of intersecting line and a parametric equation of contacting line are given.

通过对此数学模型的求解，导出了相交双管相贯线上各点局部二面角的计算公式，给出了相交双管装配接触线的参数方程，并解释了其数学本质。