据此在端盘上增加扫边齿和齿座外形由直角形改为圆弧形的改进措施。
So it is necessary to improve measures by adding the sweeping side teeth and modifying the tooth profile from rectangle into circular arc in the top disc.
同时对紧缩场布局设计及边齿参数作了优化设计，提出优化准则，并给出设计结果；
The optimization rule on the layout and serration of the compact range was referred to, then the optimization algorithm was performed and the result was given.
棘轮上的每一个齿有两个边，一个向上，一个向下。
Each tooth on a ratchet has two sides, one that goes up and one that goes down.
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