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1、过程能力Cpk研究报告 工厂车间 塑料一车间工序名称吹塑成型质量特性风口长度公差上限52.50组容/频率4pcs/0.5H生产形态 批量生产 零件名称右出风风道总成机器编号DA-100规 格 值52.00公差下限51.50图 号8101535-240日 期2002.4.23 X=AVE（X）=51.93UCLX=X+A2R=52.07LCLX=X-A2R=51.78说 明 栏 对特殊原因采取措施说明 *任何超出控制限的点 *连续7点在中心线之上或之下 *连续7点上升/下降 *任何其它明显非随机的图形 采取措施的说明 不要对过程做不必要改变 注明对过程因素（人机料法环 或MS）所做的调整 组容A
2、2D3D4d2 21.88*3.271.13 R=AVE（R）=0.20UCLR=D4R=0.47LCLR=D3R=0.003 1.02*2.571.69 RANGES（R CHART ） 40.73*2.282.06 50.58*2.112.33 60.48*2.002.53 70.420.081.922.70 80.370.141.862.85 90.340.181.822.97 100.310.221.783.08 1.在确定Cpk前过程必须受控 2.组容7时没有极差下控制限 Cpk = Min ( USL-XX-LSL )1.33 3R/d23R/d2 =Min(1.931.43) =
3、1.43 样本序列12345678910111213141516171819202122232425 检 查 记 录 152.1051.8551.8051.9051.8051.9051.8552.0051.7051.8051.8551.9051.6352.1051.7851.8551.8051.8651.8551.8551.8551.9551.9651.9652.00 252.0052.2051.9052.1052.1051.8051.8652.1051.8051.7551.7551.8652.0051.9551.9051.8552.0051.7551.8452.1552.2051.9051.
4、9652.0051.90 352.0852.0851.8651.9051.8552.1651.9051.8652.0051.8551.8051.9551.8552.0851.8651.8051.7651.8551.8452.1651.9052.1052.0052.1051.96 452.0052.1051.9552.2052.0052.0051.9052.1251.9051.9052.0051.7551.9552.0051.7551.6851.8651.7951.9651.8551.9652.1252.1052.1051.90 5 TOTAL208.18208.23207.51208.1020
5、7.75207.86207.51208.08207.40207.30207.40207.46207.43208.13207.29207.18207.42207.25207.49208.01155.71208.07208.02208.16207.76 AVERAGE(X)52.0552.0651.8852.0351.9451.9751.8852.0251.8551.8351.8551.8751.8652.0351.8251.8051.8651.8151.8752.0051.9052.0252.0152.0451.94 CLX51.9351.9351.9351.9351.9351.9351.935
6、1.9351.9351.9351.9351.9351.9351.9351.9351.9351.9351.9351.9351.9351.9351.9351.9351.9351.93 UCLX52.0752.0752.0752.0752.0752.0752.0752.0752.0752.0752.0752.0752.0752.0752.0752.0752.0752.0752.0752.0752.0752.0752.0752.0752.07 LCLX51.7851.7851.7851.7851.7851.7851.7851.7851.7851.7851.7851.7851.7851.7851.785
7、1.7851.7851.7851.7851.7851.7851.7851.7851.7851.78 MAX-MIN(R)0.100.350.150.300.300.360.050.260.300.150.250.200.370.150.150.170.240.110.120.310.110.220.140.140.10 CLR0.200.200.200.200.200.200.200.200.200.200.200.200.200.200.200.200.200.200.200.200.200.200.200.200.20 UCLR0.470.470.470.470.470.470.470.4
8、70.470.470.470.470.470.470.470.470.470.470.470.470.470.470.470.470.47 LCLR0.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.00 结论：该过程目前能被接受,批准后即可开始生产，并按照控制计划进行。 制表/日期：赵长庚 2002/4/23审核/日期：王庚齐 2002/4/23批准/日期：吕章池 2002/4/23项目编号：中国一汽-01 123456789101112131415
9、16171819202122232425 51.6 52.1 AVERAGE(X) UCL CL LCL 12345678910111213141516171819202122232425 0 1 MAX-MIN(R) UCL CL LCL 工厂车间工序名称质量特性公差上限25.0000组容/频率4pcs/2H生产形态 批量生产 零件名称机器编号规格值45.237公差下限0.00图 号日 期2001.01-01.20 X=AVE（X）=0.42UCLX=X+A2R=1.23LCLX=X-A2R=2.06说 明 栏 AVERAGES（X BAR CHART ） 对特殊原因采取措施说明 *任何超出
10、控制限的点 *连续7点在中心线之上或之下 *连续7点上升/下降 *任何其它明显非随机的图形 采取措施的说明 不要对过程做不必要改变 注明对过程因素（人机料法环 或MS）所做的调整 组容A2D3D4d2 21.88*3.271.13 R=AVE（R）=2.26UCLR=D4R=5.15LCLR=D3R=0.003 1.02*2.571.69 RANGES（R CHART ） 40.73*2.282.06 50.58*2.112.33 60.48*2.002.53 70.420.081.922.70 80.370.141.862.85 90.340.181.822.97 100.310.221.7
11、83.08 1.在确定Cpk前过程必须受控 2.组容7时没有极差下控制限 Cpk = Min ( USL-XX-LSL )1.33 3R/d23R/d2 =Min(7.72-0.13) =-0.13 样本序列12345678910111213141516171819202122232425 检 查 记 录 12.01.01.02.0-2.50.50.0-4.5-3.54.01.00.52.01.51.5-0.51.0-2.0-1.5-0.5-1.0-2.5-2.5-2.5-1.5 2-1.02.00.00.5-3.5-0.51.0-2.01.51.00.52.50.50.50.5-1.00.5
12、-3.5-1.0-2.00.0-2.5-3.0-2.5-2.5 3-1.01.0-1.02.0-1.51.5-2.5-5.51.53.01.54.01.50.51.50.5-0.5-1.5-0.5-2.0-2.5-1.5-1.5-1.5-0.5 41.50.50.02.0-0.5-1.0-3.0-5.5-4.00.51.04.00.52.00.50.5-1.5-2.5-2.5-2.00.5-1.5-2.0-2.5-0.5 5 TOTAL1.504.500.006.508.000.504.5017.504.508.504.0011.004.504.504.000.500.509.505.506.
13、503.008.009.009.005.00 AVERAGE(X)0.381.130.001.632.000.131.134.381.132.131.002.751.131.131.000.130.132.381.381.630.752.002.252.251.25 CLX0.420.420.420.420.420.420.420.420.420.420.420.420.420.420.420.420.420.420.420.420.420.420.420.420.42 UCLX1.231.231.231.231.231.231.231.231.231.231.231.231.231.231.
14、231.231.231.231.231.231.231.231.231.231.23 LCLX2.062.062.062.062.062.062.062.062.062.062.062.062.062.062.062.062.062.062.062.062.062.062.062.062.06 MAX-MIN(R)3.001.502.001.503.002.504.003.505.503.501.003.501.501.501.001.502.502.002.001.503.001.001.501.002.00 CLR2.262.262.262.262.262.262.262.262.262.
15、262.262.262.262.262.262.262.262.262.262.262.262.262.262.262.26 UCLR5.155.155.155.155.155.155.155.155.155.155.155.155.155.155.155.155.155.155.155.155.155.155.155.155.15 LCLR0.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.00 制表/日期：审核/日期：批准/日期：表单编号：QS/PEER-D0202-30 12345678910111213141516171819202122232425 6.00 8.00 10.00 12.00 14.00 16.00 18.00 20.00 AVERAGE(X) UCL CL LCL 12345678910111213141516171819202122232425 0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 6.00 MAX-MIN(R) UCL CL LCL UCL CL LCL UCL UCL