于１９９９年９月６～１０日在太原举行。来自全国的５２名代表出席了会议。会议交流了２２篇论文，涉及啮合理论、设计加工、工业应用等方面。徐永年作《温故知新，展望未来》的专题发言。会议代表对“渗碳硬化双圆弧齿轮超硬加工技术研究”的阶段性成果表示了浓厚的兴趣，认 In September 1999 6 to 10 held in Taiyuan. 52 representatives from all over the country attended the meeting. The meeting exchanged 22 papers, involving the theory of engagement, design and processing, industrial applications and so on. Xu Yongnian made a special speech entitled “Learning from Others and Looking to the Future”. Conference delegates expressed great interest in the stage results of “Carburizing Hardened Double Circular Arc Gear Superhard Processing Technology”