The main task of the subject is to investigate the electromagnetic inductor and experimentally study the influence on the difference of magnetoconductivity of roller shell's material to the magnetic flux density of the roll-casting zone. 本论文研究的主要任务是根据课题拟定的基本技术方案,在实验室研究电磁感应装置和辊套材料的导磁性差异对铸轧区磁感应强度的影响。