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Method and apparatus for determining surface defect of continuous cast slab, method for producing steel slab using the surface defect determination method
Method and apparatus for determining surface defect of continuous cast slab, method for producing steel slab using the surface defect determination method
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机译:确定连铸板坯表面缺陷的方法和设备,使用该表面缺陷确定方法生产钢坯的方法
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摘要
PROBLEM TO BE SOLVED: To provide a surface defect determination method and apparatus for a slab manufactured by continuous casting and a manufacturing method for a steel cast piece using them.SOLUTION: A surface defect determination method for a continuous casting slab related to this invention includes the temperature measurement data acquisition step of disposing a thermocouple 5 embedded in a casting mold 3 so as to satisfy a predetermined installation range, gap, etc. with respect a casting direction and a casting mold width direction to acquire a temperature of a casting mold copper plate with the disposed thermocouple 5, the main component analysis step of grouping the acquired temperature measurement data into two or more groups to calculate a main component score by main component analysis for each of the groups, and the main component score determination step of determining the generation of defects in a slab surface for each of the groups on the basis of the calculated main component score.SELECTED DRAWING: Figure 1
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