Calculation of Thermal Stress Affecting Strip Flatness During RunOut Table Cooling of ASP 1700 Strip Mill
SU Yanping1,YANG Quan1,HE Anrui1,WANG Xiaodong2,BIAN Haitao1
1. National Engineering Research Center for Advanced Rolling Technology, University of Science and Technology Beijing, Beijing 100083, China;2.Shougang Research Institute of Technology, Shougang Group Corporation, Beijing 100041, China
Abstract：A numerical analysis of the thermal stress generated during cooling of hot rolled strip on runout table of ASP1700 was performed by means of finite element program ABAQUS.For studying trend of flatness change during cooling of strip.The results demonstrated that temperature drop at strip edges leads to a residual stress distribution pattern with tensile at strip center and compressive stress at edges.Thus a trend of edge wave formation is observed as proved by the practice of skin pass rolling.A compensation control strategy, named slight center wave rolling, was proposed based on the FE analysis work to compensate the edge wave during the cooling, and adopted on ASP1700. The validity of this control strategy was confirmed by the practice.
苏艳萍;杨荃;何安瑞;王晓东;边海涛. ASP1700热轧层流冷却过程中影响板形变化的热应力求解[J]. 钢铁, 2008, 43(5): 55-0.
SU Yanping;YANG Quan;HE Anrui;WANG Xiaodong;BIAN Haitao. Calculation of Thermal Stress Affecting Strip Flatness During RunOut Table Cooling of ASP 1700 Strip Mill. Iron and Steel, 2008, 43(5): 55-0.
2008, Vol. 43 
