提出了双作用式平行分度凸轮机构，并按研究齿轮啮合的方法研究其凸轮廓线。
This paper proposes double action parallel indexing CAM mechanism, and studies cams profile by methods used in gear meshing.
介绍一种用双自准直仪和多齿分度台组合测量静态测角分度误差的测量方法。
This paper introduces the method for the synthetic of measuring quiescing goniometry with two autocollimators and precise angle dividing table.
双作用式平行分度凸轮机构对速比曲线的几何形态有特殊要求，这使得该机构的速比不能从同类机构现有运动规律中得到，而必须经过特殊设计。
The speed-ratio curve of double-action parallel indexing cam mechanism has special property in shape, which makes it is not available from present transmission function, but designed purposely.
双作用式平行分度凸轮机构对速比曲线的几何形态有特殊要求，这使得该机构的速比不能从同类机构现有运动规律中得到，而必须经过特殊设计。
The speed-ratio curve of double-action parallel indexing cam mechanism has special property in shape, which makes it is not available from present transmission function, but designed purposely.
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