Design and processing technology of a splicing type rotary workbench mesa were expounded,focusing on the splicing, positioning,the single processing,processing technology. The accuracy and performance of the large heavy duty rotary table were en-sured. The manufacturing,transportation and other problems of large overloading rotary table were solved.%阐述一种拼接式回转工作台台面的设计和加工技术，重点讲述了工作台台面的拼接、定位、单件加工、合加工等技术，保证了大型重载回转工作台的精度和使用性能，解决了大型重载回转工作台的制造、运输等难题。
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