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首次提出了包络蜗杆分度凸轮机构的基本构思，即将业已成熟的蜗轮蜗杆（及齿轮）传动原理与技术，引入到分度凸轮机构的研究中，建立了包络蜗杆凸轮副的运动几何模型； 并针对柱形面状的分度盘轮齿廓面（如渐开线柱面），讨论了其共轭曲面的形状与特征、接触线分布规律、共轭的界限条件、诱导曲率等问题，奠定了此类机构的理论基础，为分度凸轮机构装置的设计与制造提供了理论依据．
For the first time, the basic idea of enveloping worm indexing cam mechanism is put forward. The principle and technology of worm gear (gear) transmission are introduced into the research of indexing cam mechanism. The geometric model of enveloping worm cam pair The shape and feature of the conjugate surface, the distribution rule of the contact line, the boundary conditions of the conjugate, the induced curvature and so on , Laid the theoretical basis for such institutions, provided a theoretical basis for the design and manufacture of indexing cam mechanism devices.