SPHC原卷边部黑线缺陷的分析与改善  

Analysis and improvement for the edge black line defect on SPHC coil

作　　者：袁伟[1] 李传[1] 钱震茂[1] 徐希义[1] 曾艳[1] 

机构地区：[1]武汉钢铁股份有限公司热轧总厂,湖北武汉430083

出　　处：《轧钢》2015年第5期66-70,共5页Steel Rolling

摘　　要：针对用户提出的SPHC原卷边部黑线缺陷质量异议,分析了SPHC原卷产生边部黑线缺陷的原因。根据生产实际情况,通过调整粗轧立辊负荷等措施,控制了钢卷边部黑线缺陷距边部的距离,减轻了边部黑线缺陷的严重程度,满足了用户的使用要求。Based on user′s complains about SPHC coil quality for its edge black line defect,the cause was initially analyzed.In accordance with the actual condition of General Hot Strip Mill of WISCO,the vertical roll reduction of roughing mill was adjusted to decrease the distance between black line and strip edge.And the above problem was resolved.

关 键 词：边部黑线 SPHC热轧卷 粗轧 立辊 

分 类 号：TG335[金属学及工艺—金属压力加工]