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济钢中板厂三辊劳特式粗轧机轧制力小,生产能力低,已经不能满足公司进一步发展的需要,因此必须进行改造。本次改造采取不停产改造方式,将三辊轧机改为四辊轧机。在改造中四辊粗轧机压下系统设立电动自动位置控制APC,预留下置式液压AGC;采用大断面、高刚度、优化设计的牌坊;轧机接轴形式采用复合式,可以伸缩并设置轴向定位装置;轧机前后的导卫护板与除鳞集管、轧辊冷却水集管安装一体,随上辊系上、下移动等新技术新工艺。本次改造为济钢中板厂创造了可观的经济效益,也为中板厂同类技术改造提供了可以借鉴的成功经验。
Jigang plate mill three-roll Loughing roughing mill rolling power, low production capacity, can no longer meet the needs of the company’s further development, it must be reformed. The transformation to take non-stop production transformation, the three-roll mill to four-roll mill. In the transformation of the four-roll roughing mill depressing system to set up electric automatic position control APC, set aside under the hydraulic AGC; the use of large cross-section, high stiffness, optimized design of the arch; rolling mill shaft form of composite, telescopic and axial Positioning device; before and after the mill guard shield and descaling header, roll cooling water header installation integration, with the upper roller system, the next move and other new technology and new technology. The transformation of Jinan Iron and Steel Plate Plant has created considerable economic benefits, but also for the similar transformation of the plate plant provides a successful experience can learn from.