前言圆弧齿轮是当前国际上比较先进的一种齿轮,我国广大的工人、技术人员和科学工作者,在毛主席无产阶级革命路线的指引下,在党的领导和三面红旗的光辉照耀下,在三大革命运动的实践中,已经掌握了圆弧齿轮的设计和制造技术。太原钢铁公司、太原重型机器厂和太原工学院采取三结合的方针,设计制造了中心距A=2748毫米的二级圆弧齿轮减速器。于1965年5月和7月分别有两台投入生产,经 Preface Circular arc gear is the most advanced gear in the world today. Under the guidance of Chairman Mao’s proletarian revolutionary line, with the brilliant leadership of the party’s leadership and the tri-colored red flag, the vast majority of workers, technicians and scientists in our country, In the practice of the three major revolutionary movements, we have mastered the design and manufacture of arc gear technology. Taiyuan Iron and Steel Company, Taiyuan Heavy Machinery Factory and Taiyuan Institute of Technology to take the three principles, design and manufacture of a center distance A = 2748 mm secondary arc gear reducer. In May 1965 and July were two into production, respectively