通过对差动分度原理的研究，提出了一种最小分度值达2″的分度方法，并对精密分度工作台的结构进行了优化设计。
Based on the principle of differential indexing, the authors put forward an indexing method which indexing angle can reach as fine as 2", and optimized the structure of the precise indexing table."
主要生产“海鸥牌”系列分度头和回转工作台等机床附件产品。
Major production "gull card" series of sub-head rotary table, such as machine tools and accessories.
配置万能铣头、圆工作台、分度头等铣床附件，可进一步扩大机床使用范围。
When it is provided with accessories such as universal milling head , rotary working table and indexing head etc. can enlarge the application range of machine.
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