六西格玛方法在提高Q235B成分中限率中的应用  

Application of Six Sigma Method in Improving the Medium-Limit ratio of Chemical Components in Q235B Steel

作　　者：纪瑞东[1] 张学民[1] 王玉春[1] 李宏辉 尚游 

机构地区：[1]莱芜钢铁集团有限公司炼钢厂

出　　处：《莱钢科技》2013年第6期16-19,共4页Laigang Science & Technology

摘　　要：论述了六西格玛管理工具在提高Q235B成分中限合格率方面的应用，利用六西格玛管理工具，对影响Q235B成分中限率的流程进行系统分析改善，通过D、M、A、I、C五个阶段的流程分析和持续改善，Q235B成分中限率控制水平由基准86．61％提高到控制阶段的95．83％，完成了95％的项目目标，取得了良好的效果。This paper discussed the application of six sigma management tool in improving the qualified rate of chemical components at medium-limit, by using the six sigma management tool, the processes in- fluencing the medium-limit ratio of chemical components in Q235B steel were analyzed and improved, then through process analysis and continuous improvement of D, M, A, I, C five stages, the control level of medium-limit ratio for the chemical components in Q235B steel was increased from standard 86.61% to 95.83% within control stage, completing the project objective of 95% and obtaining a good effect.

关 键 词：六西格玛 分析 流程 改进 合格率 

分 类 号：TP316.7[自动化与计算机技术—计算机软件与理论]