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R2级表面镀锡基板平整轧制过程表面粗糙度控制于孟1,张清东1,李瑞1,王波1(1.北京市北京科技大学机械工程学院)摘 要:以某厂连退机组R2级表面镀锡基板产品开发任务为依托,通过在试验生产中带钢整体取样和离线测量表面三维形貌,以工业试验方法研究揭示了双机架平整轧制过程中带钢表面粗糙度的遗传与变化规律,运用逐步回归方法针对大量实测数据建立了双机架平整轧制过程带钢表面粗糙度遗传与变化的预测模型,并根据试验掌握的带钢表面粗糙度的变化规律和拟合获得的带钢表面粗糙度预测模型,研究建立了R2级表面镀锡基板的连退平整轧制过程......
marks of steel strip of a temper mill, it was discovered that the chatter marks is closely related to self excited vibration of the system. This kind of vibration originates from rolling interface, where partial fluid lubrication and viscous slip coexist. Keyword: temper mill; self-excited vibration; rolling interface; Received: 1999-12-09......
control in thetemper mill: during temper rolling, roll deformation is slight due to small rolling load, and the loaded roll gap profile mainly dependson work roll contour, while the backup roll has...Improvement on strip flatness of cold temper mills by modifying roll contour shapeXiaoyan Li;Jie Zhang;Xianlin Chen;Jianguo Cao; Haixia Li Mechanical Engineering School, University of Science......
宝钢某连续退火机组平整机控制技术李东江1,2,陈启军1,王国民1(1.上海市同济大学电子与信息工程学院2.上海市宝山钢铁股份有限公司)摘 要:宝山钢铁股份有限公司某连续退火机组采用双机架平整工艺,以延伸率控制为核心,通过调节张力或轧制力来实现延伸率的稳定.延伸率采用闭环控制,为提高实际延伸率的计算精度,在高速和低速两种不同的情况下,采用不同的方法进行计算.张力调节器的输出乘以一个比例系数,作为上游设备速度给定的张力前馈补偿,以减小动态过程中带钢张力的波动.轧制力控制采用轧制力外环,位置内环的双闭环结构,提高了系......
武钢2250热轧平整机窜辊策略的研究杨光辉1,张杰1,刘会聪1,许焕宾1,周一中2,王安苏2(1.北京市北京科技大学机械工程学院2.武汉钢铁(集团)公司热轧厂,湖北 武汉,430083)摘 要:为了抑制或均匀武钢2250热轧带钢平整机在轧制服役过程中所表现出严重的"W形"工作辊磨损,降低磨损峰值,改善工作辊出现褶皱,光带等辊面缺陷,提高带钢的板形质量.根据现场轧制工艺条件及生产实际,通过建立热轧平整机工作辊的磨损预报模型,对工作辊的窜辊方式,窜辊步长和窜辊节奏等主要影响因素进行了研究,提出了改进的工作辊窜辊策略......
无取向电工钢平整工艺研究李俊洪1,李军2,樊华3,冯楷荣3,熊旭3,邓澄3(1.四川省攀枝花市 攀枝花钢铁研究院2.攀枝花钢铁研究院,四川攀枝花 6170003.攀枝花新钢钒股份有限公司,四川攀枝花 617023)摘 要:板形和表面质量是无取向电工钢的重要质量指标.为了提高叠片系数,必须保证无取向电工钢表面光滑,板形良好.针对攀钢冷轧厂普通连续退火生产线生产无取向电工钢存在的板形和表面质量问题,以带材前张应力横向分布均匀作为目标函数,建立了一套针对无取向电工钢平整机的辊型曲线及工艺参数优化数学模型,开发了无取向......
of Science and Technology Beijing, Beijing 100083, China; 2. Hot Rolling Mill, Wuhan Iron and Steel (Group) Corporation, Wuhan 430083, China) Abstract: Due to some problems of hot strip temper mill, for example, partial wear of wok rolls, which makes shape control very complex, the wear model for work roll to hot temper mill was proposed, and the rule of shape control affected by special wear......
; 文献标志码:A 文章编号:1672-7207(2011)06-1611-06 Uneven wear of work roll and its reduction measurement on hot strip temper mill ZHANG Jie1, XU Huan-bin1... (Group) Corp, Wuhan 430083, China) Abstract: Taking 2 250 mm hot strip temper mill as a subject, uneven wear of work roll was studied. The difference between wear of hot strip mill and cold strip mill......