QC不良率柏拉图表-参考

日期批量不良项目不良数不良率累计不良率

2012-12-241500批峰1208%8%2012-12-241471模印50034%42%2012-12-241538油污20013%55%2012-12-241560顶白15610%65%2012-12-241560缩水785%70%2012-12-241486变形31221%91%2012-12-241433组装不良1299%100%

120

500

200

156

78

8.0%34.0%

13.0%

10.0%

5.0%

8.0%

42.0%

55.0%

65.0%

70.0%

100200

300400500600批峰

模印

油污顶白缩水

不良数不良率累计不良

批峰8%

组装不良

9%

不良数

批峰模印油污顶白缩水变形组装不

模印34%

油污13%

顶白10%

缩水5%

变形21%9%

312

129

.0%21.0%

9.0%

0.0%91.0%

100.0%

0%

20%

40%

60%

80%

100%

120%

变形组装不良计不良率

组装不良

100