摘要
控制图是生产企业判定生产过程是否出现异常的一种工具,在生产实践中,控制图控制界限并非以3σ为最佳,而是根据实际情况选择确定。
The control chart is a tool that production enterprises use to judge whether the production process is abnormal.In the production practice,usually 3σ isn't considered as the best control bounds,the control bounds should be selected and determined on the basis of real cases.
出处
《电子质量》
1998年第11期W001-W003,共3页
Electronics Quality
