均值-极差控制图法在钢管防腐质量控制中的应用

Application of Mean - Range Control Chart Method in Quality Control of Corrosion Protection of Steel Pipes

综述了现代质量管理中的控制图理论,钢管防腐质量要求。详细介绍了采用Excel软件绘制钢管防腐涂层均值-极差控制图,通过控制钢管防腐生产过程来控制产品质量稳定性,可将产生不合格品的因素消灭在萌芽之中。

This article briefly described the control graph theory of the modern quality management and quality criteria of steel pipe corrosion protection. Details how to use Excel software to draw mean - range control chart for steel pipe anti - corrosion coating. By controlling the production process of corrosion protection for pipes the product quality stability, to has controled eliminate large number of factors that will cause the unqualified products.