根据上级指示,圆锥轴承内套热轧切断工艺及设备的研制列入了一机部的试验研究项目,并要求在一对轧辊上解决轧制成形一切断技术。该项目有烟台轴承厂和一机部机械院机电研究所共同承担。在上级党委的正确领导和批林批孔运动及加强无产阶级专政理论学习运动的推动下,组成了由干部、老工人和技术人员参加的三结合队伍,在“鞍钢宪法”的光辉照耀下,开展了螺旋横轧切断的试验工作,通过十多个方案的反 According to the instruction of the superior, the research and development of the hot-rolling cutting process and equipment for the inner sleeve of the tapered bearing included in the pilot research project of a machine department and required to solve the rolling forming and cutting technology on a pair of rolls. The project has a bearing plant in Yantai and a mechanized mechanical and electrical Institute Institute share. With the correct leadership of higher Party committees and the campaign of criticizing and approving holes and holes and the theoretical study of proletariat’s dictatorship, a three-in-a-line contingent of cadres, veterans and technicians was formed. Under the brilliant shine of the Angang Constitution, Spiral cross-rolled cut off the pilot work, through more than a dozen programs