苏联莫斯科钢管厂引进了一套生产传动轴管的焊管机组,现已投入生产。该机组具有目前世界上最新取得的几个特点,其中最主要的是采用冷张力减径机连续生产具有理想直径的直缝焊管。采用自动控制系统可以使生产、处理、精 Moscow, the Soviet Union, the introduction of a steel pipe plant production shaft pipe welding pipe unit, has now been put into production. The unit has the latest in the world to obtain several features, of which the most important is the use of cold tension reducer continuous production of straight pipe with the ideal diameter. Using automatic control system can make production, processing, fine