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Abstract：
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Roll fracture often takes place in hot rolling section steel.The fracture position is mainly located at the roll caliber,roll neck and boundary between the roll neck and roll body.The causes of rolls fracture are analysed.The fracture of rolls results from inadequate heat treatment temper of rolls or existing foundry defects in rolls,ill roll cooling and improper operation during rolling.Meanwhile,the corresponding measures from the aspects of technology and management are put forward.
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AuthorIntro：
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Reference：
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[1]高明杰.结合生产实际谈降低轧辊消耗[J].河北冶金,1998,(2~5):153 155.
[2]商存量,刘微.中厚板轧机轧辊断裂原因分析[J].轧钢,2002,19(2):31 32.
[3]陈联满.轧辊辊颈断裂分析[J].理化检验-物理分册,2001,37(7):305 308.
[4]张维,李建民.轧辊断裂原因分析[J].山东冶金,1999(增刊):124 126.
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