运用球面解析理论分析了球面机构的位置正反解，并举例说明输入和输出之间的关系。
The forward and reverse position are analyzed by using the spherical analytic theory, and corresponding numerical examples are also given to show the relations between the inputs and the outputs.
用球面坐标建立了圆柱滚子球面凸轮的轮廓曲面解析方程，为此种凸轮的设计计算和数控加工提供了理论依据。
This paper establishes a contour surface equation of the spherical surface cam with a cylindrical roller, Which provides theoretical basis for the design and NC processing of the cam.
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