CPKCMK和不合格率专题培训课件

07/30/25南京聚隆工程塑料有限公司1一、数据收集 要有明确的分组原则 每组的数据个数在 3~5 个为宜 组数要为 50 组为宜，最少不能少于 25 个。 总数据点最好不能少于 100 个。07/30/25南京聚隆工程塑料有限公司2二、数据的整理和判稳 控制图法 正态分布图法07/30/25南京聚隆工程塑料有限公司3X-R控制图 计算子组平均值 X 和极差 R 计算平均值 X 的二次平均值 X 和极差的平均值 R 计算 X 控制图的上下限中线： CL = X上限： UCL= X + A2R下限： LCL = X - A2R—————07/30/25南京聚隆工程塑料有限公司4X-R 控制图 计算 R 控制图的上下限——中线： CL = R上限： UCL= D4R下限： LCL = D3R—07/30/25南京聚隆工程塑料有限公司5X-R 控制图参数的选择 —— 根据子组 数据数量 选择做图 nA2d2D3D421.881.12803.2731.021.69302.5740.732.05902.2850.582.32602.1160.482.53402.0070.422.7040.081.9280.372.8470.141.8690.342.970.181.82100.313.0780.221.7807/30/25南京聚隆工程塑料有限公司6样本序号X1X2X3X4X5X8:00110.6810.68910.77610.79810.71410.7320.1169:00210.7910.8610.60110.74610.77910.7550.25910:00310.7810.66710.83810.78510.72310.7590.17111:00410.5910.72710.81210.77510.7310.7270.22112:00510.6910.70810.7910.75810.67110.7240.11913:00610.7510.71410.73810.71910.60610.7050.14314:00710.7910.71310.68910.87710.60310.7350.27415:00810.7410.77910.1110.73710.7510.6240.66916:00910.7710.77310.64110.64410.72510.7100.13217:001010.7210.67110.70810.8510.71210.7320.17918:001110.7910.82110.76410.65810.70810.7480.16319:001210.6210.80210.81810.87210.72710.7680.25020:001310.6610.82210.89310.54410.7510.7330.34921:001410.8110.74910.85910.80110.70110.7830.15822:001510.6610.68110.64410.74710.72810.6920.103观 测 值时间R返回07/30/25南京聚隆工程塑料有限公司7X 控制图控制图法正态分布图法10.45010.50010.55010.60010.65010.70010.75010.80010.85010.900123456789101112131415SampleMeansUCLLCLUCLCLLCL10.60110.856=).58(0.2204-10.728RA - x = LCL=4)0.58(0.22010.728RA + x = UCL22CL = x = 10.72807/30/25南京聚隆工程塑料有限公司8R 控制图控制图法正态分布图法UCLCLLCLCL = R =...