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针对机械生产中十分常见而又极难解决的形体相贯问题，应用空间解析几何学和画法几何学的理论方法进行研究，得出了柱锥相贯薄壁类零件相贯线特殊点的计算方法和下料展开的通用计算公式与实用的下料方法。
Aiming at the very common and extremely difficult problem of the shape intersection in mechanical production, this paper uses the theory of spatial analytic geometry and geometrical geometry to study the special points of the intersecting lines of thin-walled parts Calculation method and the unwinding of the common formula and practical cutting method.