Mechanism of Spalling of Work Roll and Backup Roll for Cold  Mill and Effective Preventive Measures

YAO Qiang; YUE Zhongfu

Physics Examination and Testing ›› 2008, Vol. 26 ›› Issue (5) : 45-0.

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Mechanism of Spalling of Work Roll and Backup Roll for Cold Mill and Effective Preventive Measures

YAO Qiang,
YUE Zhongfu

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Abstract

The causes of failure in early stage of work roll and backup roll for cold mill were discussed in the paper. The main functions of automatic ultrasonic inspection system for roll and its effects on preventing early spalling of roll were demonstrated.

Key words

backup roll for cold mill / work roll for cold mill / spalling / crack / ultrasonic detection

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YAO Qiang, YUE Zhongfu. Mechanism of Spalling of Work Roll and Backup Roll for Cold Mill and Effective Preventive Measures[J]. Physics Examination and Testing, 2008, 26(5): 45-0