摘要
扇形段辊缝的优化设计与控制是连铸生产中的重要工艺。通过有限元仿真及样机实测对扇形段拉杆变形及框架挠度进行评估,分析了浇铸过程中影响扇形段变形主要铸坯反力,提出了基于扇形段受力预测模型的动态辊缝控制方法,实现了扇形段变形动态补偿。生产结果表明,扇形段辊缝控制精度达±0.15 mm,板坯厚度规格满足工艺要求,生产钢种铸坯中心偏析稳定控制在C15/M30以下。
The optimal design and control of the roll gap of the segment is an important technology in continuous casting production.In this paper,the deformation of the tie rod and the deflection of the frame of the segment were evaluated by finite element simulation and laboratory testing,and the main force which affected the segment deformation in the casting process was analyzed.The dynamic roll gap control method based on the force prediction model of the segment is proposed to realize the dynamic compensation of the deformation of the segment.The production results show that the roll gap control precision of the segment is±0.15 mm,the thickness specification of the slab meets the technological requirements,and the center segregation of steel slabs is controlled below C15/M30.
作者
何新军
何小群
HE Xinjun;HE Xiaoqun(Materials and Logistics Department,CISDI Chongqing Information Technology Co.,Ltd.,Chongqing 401122,China;Electronics and Information Department,Chongqing College Institute of Electronic Engineering,Chongqing 401331,China)
出处
《炼钢》
CAS
北大核心
2021年第5期35-40,共6页
Steelmaking
基金
重庆市教育委员会科学技术研究项目(KJQN201901905)。
关键词
连铸
扇形段辊缝
受力预测
变形
continuous casting
roll gap of segment
force prediction
deformation
