GBT4886-2002-带警戒限的均值控制图.pdf

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1、ics03.120.30A41荡黔中华人民共和国国家标准GB/T4886一2002eqvISO7873:1993带警戒限的均值控制图Controlchartsforarithmeticaveragewithwarninglimits2002一07一18发布2002一12一01实施中华人民共和国发布国家质量监督检验检疫总局GB/T4886-2002目次前言··························································，·。·························，-······

2、····················一mISO前言············。·······································”··················································⋯⋯N引言·.............................................................·················································⋯⋯V1范围·...................

3、................................................................................................12引用标准..................................................................................，.·····‘··。·····，······一13术语和定义············，·····。········“·····························

4、·············，·························⋯⋯14应用条件····················································································，···············⋯⋯15方法描述·········································································································⋯⋯26过程的统计控制·

5、····························································································⋯⋯37过程统计控制方案中参数值的选择······································································一’‘·3附录A(提示的附录)符号及其意义·.....................................................................

6、........7附录B(标准的附录)根据不合格品率对极不期望的过程均值的确定，，·····························⋯⋯8附录C(提示的附录)本标准的应用实例···········，·························，，，····························⋯⋯9附录D(提示的附录)本标准的原理·······，.·············”··············································⋯⋯n参考文献···。····。·········

7、·····················································································⋯⋯14GB/T4886-2002前言本标准等效采用国际标准ISO7873:1993《带警戒限的均值控制图)(Controlchartsforarithmeticaveragewithwarninglimits).对国际标准ISO7873:1993修改的内容有:—对表1、表2、表3和表4重新进行了计算，修正了各表中的计算错误。—增加了附录A，因而将该国际标准中各附录编号作

8、了相应改变，即原附录A变为附录B，原附录B变为附录C，原附录C变为附录D,—新附录C的表中增加了双侧准则情况下平均链长(ARL)值La，列。—根据7.4.1条，将新附录C中的选择统计过程控制方