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为了适应我国社会主义建设发展的需要,解决工业生产上深小孔的磨削问题。为国家提供新的电加工机床品种,上海第八机床厂与江苏省电加工研究室组织了三结合设计小组,于1972年3月开始,共同研究设计了DM6310型电火花小孔内圆磨床。该机床于1974年2月在上海第八机床厂试制成功,经过工艺试验和初步生产验证,于今年八月24日～25日由上海市机床公司组织了鉴定。鉴定委员会认为,该机床达到了原设计的要求,试制是成功的,为电火花加工机床提供了新品种,可以小批生产以满足生产上的需要。
In order to meet the needs of the development of our socialist construction and solve the problem of grinding deep holes in industrial production. For the country to provide a new variety of machine tools, machine tool plant in Shanghai and Jiangsu Province, the eighth EDM organized three combined design team, in March 1972 began a joint study designed DM6310 EDM hole internal grinder. The machine tool in February 1974 in Shanghai Eighth Machine Tool Plant trial success, after the process test and preliminary production verification, on August 24 this year to 25 by the Shanghai Machine Tool Company organized the identification. Accreditation Committee believes that the machine to meet the original design requirements, the trial is successful, for the EDM machine tools to provide a new variety, can be small batch production to meet production needs.