现场SPC X-R控制图

制程名称制造部门控制规格尺寸尺寸规格下公差限19.0518.90上公差规格中线编号：

过 程 信 息 栏统计特性描述R 图3103110样本容量工程规范下限 (LSL)规格中线工程规范上限 (USL)总和读数均值 (X)最大值最小值低于下控制线点数(X)高于上控制线点数(X)极差均值RD2 值 (n=5)能力指数上限(CPU)能力指数下限 (CPL)稳定过程能力指数 (Cp)稳定过程能力指数 (Cpk)能力比率 (CR)标准偏差（n-1)标准偏差 (n)变异 (n-1)变异 (n)性能指数 (PP)性能比率 (PR)性能指数 (Ppk)项目尺寸0.1519.05下公差上公差限0.1519.20单位制作控制限UCLxUCLr19.1440.092日期审核AVERxAVERr19.1180.044LCLxLCLr数 据 值12018.9019.0519.202294.2119.1219.1919.081.002.000.0442.3261.4513.8842.6671.4512.0280.0240.0240.0010.0012.1070.4751.146数据重要趋势点数最大长度递增趋势递 增 链 数点数最大长度递减趋势19.093递 减 链 数0.000超出控制线点数X 图48673均值(X-图) 19.17 19.14 19.11 19.08 19.05 19.02 18.99 18.96 18.93 1 2 3 均值 Data Values UCLx LCLx Average X 4 5 6 7 8 9 10 11 12 13 数据点 14 15 16 17 18 19 20 21 22 23 24 25 极差(R-图) 频数 60 正态分布 0.240 0.200 极差 50 40 30 20 11 10 0 0 26 49 0.160 0.120 0.080 0.040 0.000 1 2 3 R Value UCLr LCLr Average R 11 5 14 3 1 0 0 4 5 6 7 8 9 10 11 12 13 极差值 14 15 16 17 18 19 20 21 22 23 24 25 正态分布曲线 数据区间 控制图表现：过程能力分析：注意！控制图中有点子出界，或出现7点链条情况!!!过程能力充足！11-19219.119.1119.1219.1219.1219.1140.020日期n12345均值极差备注：11-712-9419.1119.1219.1119.1219.1219.1160.01012-10619.1419.1219.1119.1319.1119.1220.03012-11819.1219.119.1619.1919.1919.1520.09012-121019.119.1419.1419.0819.119.1120.06012-131219.1219.119.1519.1219.1619.1300.06012-141419.1319.1319.1519.119.1219.1260.05012-151619.1219.1119.119.1119.1219.1120.02012-191819.119.0919.0819.0919.0819.0880.02012-202019.119.119.119.1319.119.1060.03012-222219.0819.119.1219.1319.119.1060.050119.1219.0819.119.1119.0819.0980.040319.119.119.119.1319.1119.1080.030519.1419.1119.119.1119.1219.1160.040719.119.119.1719.1119.1619.1280.070919.1119.1219.1319.1219.1619.1280.0501119.1619.1519.1219.1219.1219.1340.0401319.1319.1219.1219.1119.1519.1260.0401519.1119.1119.1119.1119.1319.1140.0201719.1619.1319.0819.1119.1519.1260.0801919.1119.1119.1219.119.1619.1200.0602119.119.119.1519.1919.1619.1400.0902319.1419.119.0819.0819.1219.1040.0602419.1219.1219.1319.1119.119.1160.030250.000