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根据机械工业部机床工具局的安排,联邦德国HelIer公司经理B.Greuner博士于三月十七日到成都,进行深孔加工技术交流活动。活动时间是三天,座谈中始终充满坦率、热情、友好的气氛。B.Greuner博士是国际BTA深孔加工协会成员,联邦德国深孔加工规程起草委员会组长,在深孔加工方面发表了不少论文,对深孔加工造诣较深。在座谈中,用录相、幻灯等详细地介绍了枪钻、BTA深
According to the arrangement of Machine Tool Bureau of the Ministry of Machinery Industry, Dr. B.Greuner, the manager of HelIer in the Federal Republic of Germany, came to Chengdu on March 17 to conduct deep hole processing technology exchange activities. Activity time is three days, the discussion always full of frank, warm, friendly atmosphere. Dr B. Greuner is a member of the International BTA Deep Hole Machining Association and head of the drafting committee of deep hole processing rules in the Federal Republic of Germany. He has published many papers in deep hole processing and has deep knowledge of deep hole processing. In the discussion, with a video, slide and other details of the gun drill, BTA deep