由北京钢铁学院、郑州机械研究所和北京市机电研究院三单位共同承担的一机部重点科研项目“稀土镁球铁齿轮承载能力的研究”,经过三年多的试验研究,已经达到了预期的目标。一机部机械科学研究院于一九八一年十二月三日至五日在北京开课题总结鉴定会。参加会议的有来自全国各地的34个单位,68名代表。鉴定会由一机部机械科学研究院副院长雷天觉总工程师主持。代表们听取了课题组的总 By the Beijing Institute of Iron and Steel, Zhengzhou Institute of Machinery and Beijing Institute of Electrical and Mechanical Services Institute of three units shared a key scientific research project “rare earth magnesium iron gear bearing capacity,” after more than three years of experimental study, has reached the expected The goal. A mechanic of the Academy of Machinery Science in December 1981 from December 3 to 5 in Beijing to start a seminar summary appraisal meeting. There were 34 units and 68 representatives from all over the country participating in the conference. Appraisal will be presided over by a chief engineer Lei Tianyue, vice president of Machinery Research Institute. The delegates listened to the group’s total