enveloping surface

基本解释

In this paper, the geometric characteristics of worm drive with double enveloping arc surface machined by datum-plane tool are stated.
本文阐述了平面二次包络弧面蜗杆传动的几何特征，引用数学方程对这些特征加以说明，进而提出了啮合参数选择原则。
A method of modifying the double enveloping worm gearing with developable tooth surface has been proposed to reduce the sensibility of the worm gearing to the manufacturing errors.
提出了对二次包络环面蜗杆传动修形的方法，以降低蜗轮副对制造误差的敏感性。
By discussing the property of interfaces base on differential geometry, the method of using enveloping surface to model the interfaces of surfaces can be obtained, and an example is given.
在讨论曲面之间形成的过渡曲面的性质的基础上，提出在立体造型中利用包络实现过渡曲面的步骤和计算方法，并给出了实例。

包络面
A toroid is generated by whirling cutting tools when machining, and the helicoidal surface in the workpiece is the enveloping surface that is formed by the toroid in space motion .
铣削时，旋风刀具在工作过程中，刀尖圆弧形成一圆环面，而被加工出的螺旋面可以作为圆环面空间运动的包络面。
数学
包络面
包面
包围面