φ1550mm支承辊的堆焊修复与强化  

Welding Restoration and Strengthening of φ1550mm Backup Roll

作　　者：黄诚 公茂秀 何绪友[2] 贺兵[2] 陈龙芬[2] 

机构地区：[1]山东省冶金科学研究院,山东济南250014 [2]济南钢铁集团总公司,山东济南250101

出　　处：《山东冶金》2003年第3期20-21,共2页Shandong Metallurgy

摘　　要：分析了济钢中板厂 1550mm支承辊的工况条件及失效情况,选用低裂纹倾向的焊丝,制定埋弧堆焊和特殊热处理工艺对该支承辊进行修复强化。修复后的支承辊比新辊的使用寿命提高了2.54倍。Analyzes the working condition and failure condition of 1550mm backup roll at the Medium Plate Plant of Jigang, chooses electrode wire with low crack susceptibility, and establishes processes of submergedarc welding and special heat treatment to restore and strengthen the backup roll,then the service life of the restored roll is 254 longer than that of new one

关 键 词：中板轧机 支承辊 修复 强化 埋弧堆焊 热处理工艺 

分 类 号：TG333.7[金属学及工艺—金属压力加工] TG455