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在上海交通大学和上海活塞厂以及各协作单位数十名科技人员的共同努力下,国家重点科技攻关专题项目“轿车活塞关键制造工艺设备的研究开发”于1998年1月8、9日通过了机械部和上海市各有关政府部门组织的专家鉴定。鉴定结果认为填补了国内轿车活塞关键制造设备的空白。所研究开发的专用设备及其非正圆异型活塞销孔超精镗削技术、活塞止口和中心孔的高精度快速自动同时加工技术,活塞销
Under the joint efforts of Shanghai Jiaotong University and the Shanghai Piston Factory and dozens of scientific and technical personnel of various cooperative agencies, the national key scientific and technological research project “research and development of car piston key manufacturing process equipment” was carried out on January 8 and 9, 1998. Passed the expert appraisal organized by the Ministry of Machinery and various government departments in Shanghai. The results of the appraisal concluded that it has filled the gaps in the key manufacturing equipment for domestic cars’ pistons. The research and development of special equipment and non-circular special-shaped piston pin hole ultra-precision boring technology, piston port and the center hole of high-precision and rapid automatic simultaneous processing technology, the piston pin