。1166 北京科技大学学报 2006年第12期 [习 赵永生.许永贵，顾锦荣，等.加热室炉温对带钢热瓢曲影 金工业出版社，2003：53 响的研究.华东冶金学院学报。199411(2)：81 【刀邹家祥.治金机械设计理论.北京：治金工业出版社1998 [可戴江波，张清东。王俊飞。连续退火炉内导向辊辊形对带 【习戴江波，张清东。陈先霖。等.连续退火炉内带钢的热态大 钢张力横向分布影响的研究∥钢铁年会论文集.北京：治 挠度变形分析.机械工程学报。2003,39(12)：71 Finite element simulation of the transverse distribution of tensile stress in the strip during continuous annealing process ZHANG Qingdong,CHANG Tiezhu,DAIJiangbo,WANG Wenguang Mechanical Engineering School University of Science and Technology Beijing,Beijing 100083.China ABSTRACT To set up the critical tension model of buckling and find the effective technologic measures to prevent the buckling,the effect and acting mechanism of seven major factors,roll profile strip shape strip width,transverse distribution of temperature,weld position,friction on the roll,and total tension,on the transverse distribution of tensile stress in a continuous annealing furnace were simulated by using the finite element method of geometrical nonlinear buckling calculation and the theory of elastic-plastic buckling in the field of stamping.The simulation results show that roll profile and thickness of the strip are the two most remarkable factors influenced on the transverse distribution of tension stress.The relationships between buckling and transverse distribution of tensile stress are revealed,and a valuable technologic measure was provided to control the "heat buckling"and proved to be well effective online. KEY WORDS continuous annealing furnace;tensile stress;transverse distribution;finite element method;buckling[ 5] 赵永生, 许永贵, 顾锦荣, 等.加热室炉温对带钢热瓢曲影 响的研究.华东冶金学院学报, 1994 , 11(2):81 [ 6] 戴江波, 张清东, 王俊飞.连续退火炉内导向辊辊形对带 钢张力横向分布影响的研究∥钢铁年会论文集.北京:冶 金工业出版社, 2003:53 [ 7] 邹家祥.冶金机械设计理论.北京:冶金工业出版社, 1998 [ 8] 戴江波, 张清东, 陈先霖, 等.连续退火炉内带钢的热态大 挠度变形分析.机械工程学报, 2003 , 39(12):71 Finite element simulation of the transverse distribution of tensile stress in the strip during continuous annealing process ZHANG Qingdong , CHANG Tiezhu , DAI J iangbo , WANG Wenguang Mechanical Engineering School, University of Science and Technology Beijing , Beijing 100083 , China ABSTRACT To set up the critical tension model of buckling and find the effective technologic measures to prevent the buckling , the effect and acting mechanism of seven major facto rs, roll profile , strip shape , strip w idth , transverse distributio n of temperature , w eld position , friction on the roll , and total tension , on the transverse distribution of tensile stress in a continuous annealing furnace were simulated by using the finite element method of geometrical nonlinear buckling calculation and the theory of elastic-plastic buckling in the field of stamping .The simulation results show that roll profile and thickness of the strip are the tw o most remarkable factors influenced on the transverse distribution of tensio n stress .The relationships between buckling and transverse distribution of tensile stress are revealed , and a valuable technologic measure was provided to control the “heat buckling” and proved to be w ell effective online . KEY WORDS continuous annealing furnace ;tensile stress ;transverse distribution ;finite element method ;buckling · 1166 · 北 京 科 技 大 学 学 报 2006 年第 12 期