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本文主要介绍运用球面的几何性质和投影特点,解决某些画法几何问题和管道工程连接问题的作图方法.以球面为辅助面作图简捷明了,与锥、柱等回转面配合使用可使问题得到满意的解决.
In this paper, we mainly introduce the method of drawing some geometrical problems and connection problems of pipeline engineering by using the geometric properties of the spherical surface and the projection features.It is easy and clear to use spherical surface as assistant surface, The problem is solved satisfactorily.