SPC分析实例知识讲稿.pptx

《SPC分析实例知识讲稿.pptx》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、SPC分析实例收集数据绘制解析用控制图控制用控制图绘制直方图稳定状态满足规格去除异常原因检讨5M1E各方面提升过程能力计算Pp,Ppk(辅助参考变异是否常态分布)YesNoYesNoSPC分析实例12345678910112.7002.7042.7002.7022.7052.6852.6892.6872.6902.6922.6862.6972.6832.7002.7012.7042.7012.6962.6862.6882.6962.7032.6902.6842.6972.6972.7082.6982.6982.6902.6912.6892.6942.6982.6892.70

2、12.6932.7012.6952.7042.7022.6912.7022.6872.7012.6902.6992.6952.7042.6992.7042.7012.7002.7012.689*测量室按品管标识的顺序，对样品进行了测量，测量结果都是的合格的；除此以外，这些数据还隐藏着哪些有用的信息？SPC分析实例序1234567891011X12.7002.7042.7002.7022.7052.6852.6892.6872.6902.6922.686X22.6972.6832.7002.7012.7042.7012.6962.6862.6882.6962.703X32.6

3、902.6842.6972.6972.7082.6982.6982.6902.6912.6892.694X42.6982.6892.7012.6932.7012.6952.7042.7022.6912.7022.687X52.7012.6902.6992.6952.7042.6992.7042.7012.7002.7012.689X2.69592.69592.69592.69592.69592.69592.69592.69592.69592.69592.6959Xi-X0.00410.00810.00410.00610.0091-0.0109-0.0069-0.0089-0

4、.0059-0.0039-0.0099Xi-X0.0011-0.01290.00410.00510.00810.00510.0001-0.0099-0.00790.00010.0071Xi-X-0.0059-0.01190.00110.00110.01210.00210.0021-0.0059-0.0049-0.0069-0.0019Xi-X0.0021-0.00690.0051-0.00290.0051-0.00090.00810.0061-0.00490.0061-0.0089Xi-X0.0051-0.00590.0031-0.00090.00810.00310.008

5、10.00510.00410.0051-0.0069(Xi-X)20.000016440.000064880.000016440.000036660.000081980.000119800.000048240.000080020.000035350.000015570.00009891(Xi-X)20.000001110.000167580.000016440.000025550.000064880.000025550.000000000.000098910.000063130.000000000.00004977(Xi-X)20.000035350.000142690.0

6、00001110.000001110.000145310.000004220.000004220.000035350.000024460.000048240.00000378(Xi-X)20.000004220.000048240.000025550.000008680.000025550.000000890.000064880.000036660.000024460.000036660.00008002(Xi-X)20.000025550.000035350.000009330.000000890.000064880.000009330.000064880.0000255

7、50.000016440.000025550.00004824Σ(Xi-X)20.002255Σ(Xi-X)20.000042σ0.0064619标准差(StandardDeviation)是一组数值自平均值分散开来的程度的一种测量观念，反应出制造过程的一致性。标准差较大，代表大部分的数值和其平均值之间差异较大；标准差较小，代表这些数值较接近平均值计算55个数据的平均值实测值-平均值（实测值-平均值)的差的平方和平均后开根号？？？SPC分析实例minSPC分析实例＝（2.72-2.68）/6*0.0064619＝0