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齿轮大量应用于汽车、拖拉机及机床等行业。随着国民经济的迅猛发展,对齿轮的需要量也愈来愈大。金属切削加工的齿轮不仅满足不了国民经济发展的需要,而且生产率和材料利用率都很低。因此,广泛采用既能提高劳动生产率,又能提高材料利用率和减轻劳动强度的少无切削新工艺加工齿轮已是势所必然。在战无不胜的毛泽东思想指引下,有关的工厂、设计研究单位、大专院校
Gear used in a large number of cars, tractors and machine tools and other industries. With the rapid development of the national economy, the demand for gear is also growing. Metal cutting gear not only can not meet the needs of national economic development, and productivity and material utilization are very low. Therefore, it is imperative to widely adopt gearless gears that can increase labor productivity, increase material utilization and reduce labor intensity. Guided by the invincible Mao Tsetung Thought, the factories, design and research institutes, tertiary institutions