一九八○年九月在京召开了机械加工学会第二届机床设计与研究年会。这次年会共征集到论文275篇,在会上宣读交流了有代表性的论文55篇。论文涉及到设计、工艺、测试、数控生产系统各个技术领域。反映了我国当前机床技术的研究现状和学术水平。近两年来在新技术、新原理、新材料 In September 1980, the second annual meeting of Machine Design Society was held in Beijing. A total of 275 essays were collected at this annual conference, and 55 representative essays were exchanged. Papers related to the design, technology, testing, CNC production systems in various technical fields. It reflects the current research status and academic level of machine tool technology in our country. In the past two years in new technologies, new principles, new materials