本文导出了双参数曲面族用参数形式表示时包络面的计算公式。
In this paper we derive the formula for computing the envelope of a bi-parametric family of surfaces, when they are expressed in parameters.
在圆柱螺旋曲面的盘形铣刀成形铣削加工工艺中，工件上的螺旋曲面实质上就是盘形铣刀切削刃回转面螺旋进给运动所形成的包络。
In the forming technique of cylindrical spiral curved surfaces, the contour of workpiece is virtually the result that disk shaped milling tools feed into the workpiece and move around its axis.
对于三维工作空间，在按层划分得到每一层的边界曲线的基础上，采用包络原理得到空间曲面的形状和体积表达式。
The boundary surface and volume expression of 3-D workspace is addressed byenveloping boundary curves of each plane which are obtained by partitioning 3-Dspace into layers.
对于三维工作空间，在按层划分得到每一层的边界曲线的基础上，采用包络原理得到空间曲面的形状和体积表达式。
The boundary surface and volume expression of 3-D workspace is addressed byenveloping boundary curves of each plane which are obtained by partitioning 3-Dspace into layers.
应用推荐