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Fracture analysis and process improvement of cold roller
Author(s): 
Pages: 102-103
Year: Issue:  12
Journal: Heat Treatment of Metals

Abstract: 图1所示冷轧辊材料是Cr12MoV钢,加工工艺流程是:下料→机加工→淬火、回火→机加工.要求具有高的硬度、强度和耐磨性,正常使用寿命半年以上;辊面要求淬火硬度58~62 HRC,辊颈硬度28~32 HRC.该冷轧辊实际生产中使用几天至几月不等,就会发生断裂,断裂比例占每批次的90%以上.为解决这一问题,本文分析冷轧辊产生断裂的原因,从轧辊设计和热处理工艺等方面寻找改进方法.……
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