toroidal sphere

A large-scale aspheric surface ultra-precision hybrid machine tool is developed, which has many functions such as grinding,milling and turning, etc.

详细介绍了“大型非球曲面超精密复合加工机床”。

Today, the ultra-precision machining technology of aspheric surface optic parts has become the key technology that various nations strive for develop in the field of ultra-precision machining, but numerical control interpolation algorithm is one of the core technology for ultra-precision numerical control.

当今,非球曲面光学零件的超精密加工技术已成为各国在超精密加工领域中争相发展的关键技术,而数控插补算法是超精密数控技术的核心之一。

Two tangent arcs fitting the aspheric curve between two vicinity nodes are constructed.

提出了一种适用于非球曲面光学零件数控加工的“步长伸缩双圆弧插补”的插补算法,采用转角平分法在非圆曲线两相邻节点之间构造两相切圆弧进行拟合。

This paper present the geometrical properties of some typical trajectories for finitely separated positions,such as cylindrical curve,spherical curve,constant inclination ruled surface and constant distance ruled surface.

给出了有限分离位置圆柱面曲线、球面曲线、定斜直纹面及定距直纹面等几类空间轨迹的几何特征。

This paper proves that the rolling sphere surface determined by two algebraic surfaces is also an algebraic surface.

证明由两个代数曲面所确定的滚球曲面仍是代数曲面 。

A fundamental property of spherical curves in G, s is obtained.

给出了R~3中球面曲线的一个基本性质,并用以得到某些经典的或新的整体结果。