第36卷第3期 北京科技大学学报 Vol.36 No.3 2014年3月 Journal of University of Science and Technology Beijing Mar.2014 连续退火炉内双锥度辊辊形参数对带钢跑偏的影响 王海玉四，杨 荃，张龚，王晓晨 北京科技大学国家板带工程中心，北京100083 ☒通信作者，E-mail:wanghaiyu813@163.com 摘要针对连续退火炉实际生产过程中的跑偏问题，运用ABAQUS有限元软件建立炉辊一带钢动态仿真模型，定量计算了 连续退火炉内双锥度辊辊形参数对带钢跑偏的影响，并分析了带钢的横向压应力以及产生的瓢曲变形.计算结果显示双锥度 辊辊形对炉内带钢跑偏有明显的抑制作用，且随着锥度段总辊径变化量、辊径变化量比值和张力的增加，以及平直段长度的 减少，带钢的跑偏量逐渐减少，最大横向压应力逐渐增大，使带钢发生瓢曲变形的概率增加.根据以上计算结果，建立带钢跑 偏量的计算模型，并结合瓢曲变形理论，为进一步对加热段双锥度炉辊辊形和张力设定的优化提供了依据。 关键词热处理炉：带钢：轧制：轧辊：有限元法 分类号TG335 Effect of double-taper roller shape on the running deviation of strips in a continuous annealing furnace WANG Hai-yu,YANG Quan,ZHANG Yan,WANG Xiao-chen National Engineering Research Center of Flat Rolling Equipment,University of Scienceand Technology Beijing,Beijing 100083,China Corresponding author,E-mail:wanghaiyu813@163.com ABSTRACT To study the running deviation problem of strips during production in a continuous annealing furnace,a roll-strip dy- namic simulation model was built using finite element software ABAQUS to quantitatively calculate the effect of double-taper roller shape on the running deviation of strips in the continuous annealing process.The transverse compressive stress and the waved surface of strips were also analyzed.Computation results show that double-taper roller shape has obvious inhibition to the running deviation of strips.The running deviation of strips gradually reduces with the increases of total roller diameter variation,roller diameter variation's ratio and tension,as well as with the decrease in length of the roller's flat section,but the maximum transverse compressive stress in- creases gradually,which increases the probability of waved surface occurrence.According to the above results,a calculate model of running deviation was established,which can provide a theoretical basis for further optimizing double-taper roller shape and tension set- ting in the heating furnace section,in combination with the theory of waved surfaces. KEY WORDS heat treatment furnaces;strip steel;rolling:rollers:finite element method 连续退火炉是冷轧薄板带钢连续退火工艺的核 带钢的运行速度，进而限制了连续退火机组的生产 心设备，是连续退火机组稳定运行的关键口.实际速度和产量.另外，跑偏严重时还会引起带钢张力 生产中带钢在连续退火炉内绕炉辊上下运行时，由 分布极不均匀，出现断带等生产故障。通常，在连续 于受到来料非对称板形、炉辊辊形和张力等因素的 退火炉中采用带锥形凸度的炉辊来防止带钢跑偏 影响，经常会出现跑偏问题，迫使生产线不得不降低 锥度辊通过与带钢接触时在带钢两侧产生不同大小 收稿日期：2012-1208 基金项目：“十二五”国家科技支撑资助项目(2011BA23B04):轴向变位辊系冷轧机对称板形成机理与广义整体板形控制策略研究资助项目 (FRF-TP-12-168A) DOI:10.13374/j.issn1001-053x.2014.03.015:http://journals.ustb.edu.cn第 36 卷 第 3 期 2014 年 3 月 北京科技大学学报 Journal of University of Science and Technology Beijing Vol． 36 No． 3 Mar． 2014 连续退火炉内双锥度辊辊形参数对带钢跑偏的影响 王海玉，杨 荃，张 ，王晓晨 北京科技大学国家板带工程中心，北京 100083 通信作者，E-mail: wanghaiyu813@ 163． com 摘 要 针对连续退火炉实际生产过程中的跑偏问题，运用 ABAQUS 有限元软件建立炉辊--带钢动态仿真模型，定量计算了 连续退火炉内双锥度辊辊形参数对带钢跑偏的影响，并分析了带钢的横向压应力以及产生的瓢曲变形． 计算结果显示双锥度 辊辊形对炉内带钢跑偏有明显的抑制作用，且随着锥度段总辊径变化量、辊径变化量比值和张力的增加，以及平直段长度的 减少，带钢的跑偏量逐渐减少，最大横向压应力逐渐增大，使带钢发生瓢曲变形的概率增加． 根据以上计算结果，建立带钢跑 偏量的计算模型，并结合瓢曲变形理论，为进一步对加热段双锥度炉辊辊形和张力设定的优化提供了依据． 关键词 热处理炉; 带钢; 轧制; 轧辊; 有限元法 分类号 TG 335 Effect of double-taper roller shape on the running deviation of strips in a continuous annealing furnace WANG Hai-yu ，YANG Quan，ZHANG Yan，WANG Xiao-chen National Engineering Ｒesearch Center of Flat Ｒolling Equipment，University of Scienceand Technology Beijing，Beijing 100083，China  Corresponding author，E-mail: wanghaiyu813@ 163． com ABSTＲACT To study the running deviation problem of strips during production in a continuous annealing furnace，a roll-strip dy￾namic simulation model was built using finite element software ABAQUS to quantitatively calculate the effect of double-taper roller shape on the running deviation of strips in the continuous annealing process． The transverse compressive stress and the waved surface of strips were also analyzed． Computation results show that double-taper roller shape has obvious inhibition to the running deviation of strips． The running deviation of strips gradually reduces with the increases of total roller diameter variation，roller diameter variation's ratio and tension，as well as with the decrease in length of the roller's flat section，but the maximum transverse compressive stress in￾creases gradually，which increases the probability of waved surface occurrence． According to the above results，a calculate model of running deviation was established，which can provide a theoretical basis for further optimizing double-taper roller shape and tension set￾ting in the heating furnace section，in combination with the theory of waved surfaces． KEY WOＲDS heat treatment furnaces; strip steel; rolling; rollers; finite element method 收稿日期: 2012--12--08 基金项目: “十二五”国家科技支撑资助项目( 2011BAE23B04) ; 轴向变位辊系冷轧机对称板形成机理与广义整体板形控制策略研究资助项目 ( FＲF--TP--12--168A) DOI: 10． 13374 /j． issn1001--053x． 2014． 03． 015; http: / /journals． ustb． edu． cn 连续退火炉是冷轧薄板带钢连续退火工艺的核 心设备，是连续退火机组稳定运行的关键［1］． 实际 生产中带钢在连续退火炉内绕炉辊上下运行时，由 于受到来料非对称板形、炉辊辊形和张力等因素的 影响，经常会出现跑偏问题，迫使生产线不得不降低 带钢的运行速度，进而限制了连续退火机组的生产 速度和产量． 另外，跑偏严重时还会引起带钢张力 分布极不均匀，出现断带等生产故障． 通常，在连续 退火炉中采用带锥形凸度的炉辊来防止带钢跑偏． 锥度辊通过与带钢接触时在带钢两侧产生不同大小