“差动调速在线材连轧机上的应用”已由包头钢铁设计研究院、呼和浩特钢厂共同研制成功。该装置自1979年9月在呼钢轧钢厂投入使用至今,运行一年半、已经历7000小时的生产考验。目前轧机产量相当于改造前横列式轧制工艺的1.5倍;作业率已由改造前59.62％提高到61.63％(80年10月);合格率已达到92.39％,比改造前的指标约提高4.4％。 The application of “differential speed regulation in wire rod rolling mill” has been successfully developed by Baotou Steel Design and Research Institute and Hohhot Steel Mill. The unit has been in use for a year and a half since its start-up at the rolling mill in September 1979 and has already undergone 7000 hours of production testing. At present, the output of rolling mill is equivalent to 1.5 times of that of the pre-reforming tandem rolling process; the operating rate has been increased from 59.62% to 61.63% (October, 1980); the passing rate has reached 92.39%, which is 4.4 times higher than that before the transformation %.