精密偶件在航空、航天、航海等先进武器系统中应用广泛,本项目主要是提高偶件加工精度,从而解决偶件类零件装配的互换性及可靠性。项目在精密偶件的超精密加工技术方面取得了一系列重要突破,研究成果填补了国内空白,使我国在精密偶件的加工装配水平跃上了一个新台阶,进入了国际 Precision parts in aviation, aerospace, navigation and other advanced weapon systems are widely used, the project is to improve the accuracy of machining parts, so as to solve the occasional parts assembly interchangeability and reliability. The project has made a series of important breakthroughs in the ultra-precision machining of precision coupling parts. The research results have filled the domestic blank and made our country’s machining and assembly level of precision coupling pieces to a new level, entering the international