The special meshing of convex and concave teeth profile makes the relative radius of curvature of the contacting point longer.

独特的凸凹啮合齿廓，使两齿轮在接触点处的综合曲率半径较大。

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Then the process for computing the radius of curvature of planar cam profile is introduced by means of CAD animation.

进一步讨论了采用CAD动画的方法，高速高精度地计算凸轮廓线曲率半径的过程。

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Curvature and radius of curvature of central wheel are solved and non end cutting conditions of actual profile of central wheel are deduced.

对中心轮理论廓线的曲率和曲率半径进行了解析，并由此确定中心轮实际齿廓避免顶切条件约束。

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