envelope of surface的意思|示意

The results show that the channel region division and the ruled envelope surface generating can be solved by this approach, and the slot plunge milling of closed blisk can be achieved effectively.

研究结果表明：该方法能解决闭式整体叶盘通道插铣区域划分和直纹包络面生成问题，可有效实现闭式整体叶盘的五坐标开槽粗加工。

The rough milling region of the open blisk tunnel is determined by generating the ruled envelope surface of the blades offset surface, and the algorithm.

通过叶盘叶片偏置面的直纹包络面逼近，确定叶盘通道粗加工区域，给出了四坐标插铣刀位轨迹生成算法。

All these conclusions and methods are valuable in instructing the design and manufacture of envelope surface of cylinder family.

这些结论和方法对指导圆柱族包络面的设计与制造具有重要价值。

The surface of the sun is a glowing gas envelope.

太阳的表面是一层炽热的气体层。

A practical method for formation of envelope surface is introduced in the paper. And a programmed calculation method for manufacturing integral impeller with a four-coordinate NC miller is presented.

介绍一种形成包络面（等距面）的实用方法，提出一种用四坐标数控铣床加工整体叶轮的程序计算方法。

Based on the models and the free-form surface formula, the moving envelope surface of ball-end mill is obtained by means of matrix calculating, the topography is modeled and simulated.

基于自由曲面方程，由矩阵运算得出刃线运动包络面，对球头铣刀加工的表面形貌进行了建模和仿真。