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介绍了一种集流体力学计算、孔系设计与校核、工程图绘制以及元件图库于一体的插装阀集成块ＣＡＤ 软件．提出了计算孔道最小壁厚的球面包络算法；说明了在二维视区和三维视区并存的视窗中实现智能布孔和设计校核的优点
This paper introduces a kind of cartridge CAD software which integrates fluid dynamics calculation, hole system design and checking, engineering drawing and component library. A spherical envelope algorithm for calculating the minimum wall thickness of the hole is proposed. The advantages of intelligent hole layout and design verification in windows coexisting with 2D and 3D views are illustrated