过程能力分析

1、整理课件0整理课件1整理课件2整理课件3整理课件4整理课件5CPK = Min CPL, CPUCPL = X-LSL 3PCPU = USL-X 3PPPL = X-LSL 3TPPU = USL-X 3TPPK = Min PPL, PPU整理课件6整理课件7整理课件8第第 2 步步第第 3 步步第第 4 步步整理课件901020304070788694Individual and MR ChartObser.Individual Value1X=84.003.0SL=93.21-3.0SL=74.79051015Mov.Range1111R=3.4623.0SL=11.31-3.0SL=

2、0.00E+00203040Last 25 Observations75808590Observation NumberValues8090Ppk: 0.27Pp: 0.34StDev: 4.88816Overall (LT)Cpk: 0.43Cp: 0.54StDev: 3.06874Potential (ST)Capability PlotProcess ToleranceSpecificationsIIIIIIIIISTLT708090Normal Prob Plot708090Capability HistogramProcess Capability Sixpack for Proc

3、ess 1整理课件10第第 1 1 步步StatQuality StatQuality ToolsCapability ToolsCapability Analysis NormalAnalysis Normal整理课件11第第 2 步步第第 3 步步第第 4 步步整理课件12707580859095100LSLUSLProcess Capability Analysis for Process 1USLTargetLSLMeanSample NStDev (ST)StDev (LT)CpCPUCPLCpkCpmPpPPUPPLPpkPPM USLPPM TotalPPM USLPPM Tot

4、alPPM USLPPM Total90 *8084403.068744.888160.540.650.430.43 *0.340.410.270.27200000.00125000.00325000.00 96207.74 25279.73121487.47206591.77109825.59316417.36Process DataPotential (ST) CapabilityOverall (LT) CapabilityObserved PerformanceExpected ST PerformanceExpected LT PerformanceSTLT整理课件13整理课件14整

5、理课件15535251504948474645Upper SpecLower Spec整理课件16整理课件17整理课件18整理课件19ZU S Lo rZL S LUL 整理课件20 USLT+ 3 能力能力Z = 3123当偏差减小，缺陷概率降低，所以能力增加我们希望我们希望 小小 Z大大z+ 6 能力能力Z = 61 2 3 4 5 6TUSL整理课件21整理课件22Z =(U S L -)Z =(L S L -)整理课件23整理课件24ZZ0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.005.00e-0014.96e-0014.9

6、2e-0014.88e-0014.84e-0014.80e-0014.76e-0014.72e-0014.68e-0014.64e-0010.104.60e-0014.56e-0014.52e-0014.48e-0014.44e-0014.40e-0014.36e-0014.33e-0014.29e-0014.25e-0010.204.21e-0014.17e-0014.13e-0014.09e-0014.05e-0014.01e-0013.97e-0013.94e-0013.90e-0013.86e-0010.303.82e-0013.78e-0013.74e-0013.71e-0013.6

7、7e-0013.63e-0013.59e-0013.56e-0013.52e-0013.48e-0010.403.45e-0013.41e-0013.37e-0013.34e-0013.30e-0013.26e-0013.23e-0013.19e-0013.16e-0013.12e-0010.503.09e-0013.05e-0013.02e-0012.98e-0012.95e-0012.91e-0012.88e-0012.84e-0012.81e-0012.78e-0010.602.74e-0012.71e-0012.68e-0012.64e-0012.61e-0012.58e-0012.5

8、5e-0012.51e-0012.48e-0012.45e-0010.702.42e-0012.39e-0012.36e-0012.33e-0012.30e-0012.27e-0012.24e-0012.21e-0012.18e-0012.15e-0010.802.12e-0012.09e-0012.06e-0012.03e-0012.00e-0011.98e-0011.95e-0011.92e-0011.89e-0011.87e-0010.901.84e-0011.81e-0011.79e-0011.76e-0011.74e-0011.71e-0011.69e-0011.66e-0011.6

9、4e-0011.61e-0011.001.59e-0011.56e-0011.54e-0011.52e-0011.49e-0011.47e-0011.45e-0011.42e-0011.40e-0011.38e-0011.101.36e-0011.33e-0011.31e-0011.29e-0011.27e-0011.25e-0011.23e-0011.21e-0011.19e-0011.17e-0011.201.15e-0011.13e-0011.11e-0011.09e-0011.07e-0011.06e-0011.04e-0011.02e-0011.00e-0019.85e-0021.3

10、09.68e-0029.51e-0029.34e-0029.18e-0029.01e-0028.85e-0028.69e-0028.53e-0028.38e-0028.23e-0021.408.08e-0027.93e-0027.78e-0027.64e-0027.49e-0027.35e-0027.21e-0027.08e-0026.94e-0026.81e-0021.506.68e-0026.55e-0026.43e-0026.30e-0026.18e-0026.06e-0025.94e-0025.82e-0025.71e-0025.59e-0021.605.48e-0025.37e-00

11、25.26e-0025.16e-0025.05e-0024.95e-0024.85e-0024.75e-0024.65e-0024.55e-0021.704.46e-0024.36e-0024.27e-0024.18e-0024.09e-0024.01e-0023.92e-0023.84e-0023.75e-0023.67e-0021.803.59e-0023.51e-0023.44e-0023.36e-0023.29e-0023.22e-0023.14e-0023.07e-0023.01e-0022.94e-0021.902.87e-0022.81e-0022.74e-0022.68e-00

12、22.62e-0022.56e-0022.50e-0022.44e-0022.39e-0022.33e-0022.002.28e-0022.22e-0022.17e-0022.12e-0022.07e-0022.02e-0021.97e-0021.92e-0021.88e-0021.83e-0022.101.79e-0021.74e-0021.70e-0021.66e-0021.62e-0021.58e-0021.54e-0021.50e-0021.46e-0021.43e-0022.201.39e-0021.36e-0021.32e-0021.29e-0021.25e-0021.22e-00

13、21.19e-0021.16e-0021.13e-0021.10e-0022.301.07e-0021.04e-0021.02e-0029.90e-0039.64e-0039.39e-0039.14e-0038.89e-0038.66e-0038.42e-0032.408.20e-0037.98e-0037.76e-0037.55e-0037.34e-0037.14e-0036.95e-0036.76e-0036.57e-0036.39e-0032.506.21e-0036.04e-0035.87e-0035.70e-0035.54e-0035.39e-0035.23e-0035.08e-00

14、34.94e-0034.80e-0032.604.66e-0034.53e-0034.40e-0034.27e-0034.15e-0034.02e-0033.91e-0033.79e-0033.68e-0033.57e-0032.703.47e-0033.36e-0033.26e-0033.17e-0033.07e-0032.98e-0032.89e-0032.80e-0032.72e-0032.64e-0032.802.56e-0032.48e-0032.40e-0032.33e-0032.26e-0032.19e-0032.12e-0032.05e-0031.99e-0031.93e-00

15、32.901.87e-0031.81e-0031.75e-0031.69e-0031.64e-0031.59e-0031.54e-0031.49e-0031.44e-0031.39e-003整理课件25Z0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 3.001.35e-0031.31e-0031.26e-0031.22e-0031.18e-0031.14e-0031.11e-0031.07e-0031.04e-0031.00e-0033.109.68e-0049.35e-0049.04e-0048.74e-0048.45e-0048.16e

16、-0047.89e-0047.62e-0047.36e-0047.11e-0043.206.87e-0046.64e-0046.41e-0046.19e-0045.98e-0045.77e-0045.57e-0045.38e-0045.19e-0045.01e-0043.304.83e-0044.66e-0044.50e-0044.34e-0044.19e-0044.04e-0043.90e-0043.76e-0043.62e-0043.49e-0043.403.37e-0043.25e-0043.13e-0043.02e-0042.91e-0042.80e-0042.70e-0042.60e

17、-0042.51e-0042.42e-0043.502.33e-0042.24e-0042.16e-0042.08e-0042.00e-0041.93e-0041.85e-0041.78e-0041.72e-0041.65e-0043.601.59e-0041.53e-0041.47e-0041.42e-0041.36e-0041.31e-0041.26e-0041.21e-0041.17e-0041.12e-0043.701.08e-0041.04e-0049.96e-0059.57e-0059.20e-0058.84e-0058.50e-0058.16e-0057.84e-0057.53e

18、-0053.807.23e-0056.95e-0056.67e-0056.41e-0056.15e-0055.91e-0055.67e-0055.44e-0055.22e-0055.01e-0053.904.81e-0054.61e-0054.43e-0054.25e-0054.07e-0053.91e-0053.75e-0053.59e-0053.45e-0053.30e-0054.003.17e-0053.04e-0052.91e-0052.79e-0052.67e-0052.56e-0052.45e-0052.35e-0052.25e-0052.16e-0054.102.07e-0051

19、.98e-0051.89e-0051.81e-0051.74e-0051.66e-0051.59e-0051.52e-0051.46e-0051.39e-0054.201.33e-0051.28e-0051.22e-0051.17e-0051.12e-0051.07e-0051.02e-0059.77e-0069.34e-0068.93e-0064.308.54e-0068.16e-0067.80e-0067.46e-0067.12e-0066.81e-0066.50e-0066.21e-0065.93e-0065.67e-0064.405.41e-0065.17e-0064.94e-0064

20、.71e-0064.50e-0064.29e-0064.10e-0063.91e-0063.73e-0063.56e-0064.503.40e-0063.24e-0063.09e-0062.95e-0062.81e-0062.68e-0062.56e-0062.44e-0062.32e-0062.22e-0064.602.11e-0062.01e-0061.92e-0061.83e-0061.74e-0061.66e-0061.58e-0061.51e-0061.43e-0061.37e-0064.701.30e-0061.24e-0061.18e-0061.12e-0061.07e-0061

21、.02e-0069.68e-0079.21e-0078.76e-0078.34e-0074.807.93e-0077.55e-0077.18e-0076.83e-0076.49e-0076.17e-0075.87e-0075.58e-0075.30e-0075.04e-0074.904.79e-0074.55e-0074.33e-0074.11e-0073.91e-0073.71e-0073.52e-0073.35e-0073.18e-0073.02e-0075.002.87e-0072.72e-0072.58e-0072.45e-0072.33e-0072.21e-0072.10e-0071

22、.99e-0071.89e-0071.79e-0075.101.70e-0071.61e-0071.53e-0071.45e-0071.37e-0071.30e-0071.23e-0071.17e-0071.11e-0071.05e-0075.209.96e-0089.44e-0088.95e-0088.48e-0088.03e-0087.60e-0087.20e-0086.82e-0086.46e-0086.12e-0085.305.79e-0085.48e-0085.19e-0084.91e-0084.65e-0084.40e-0084.16e-0083.94e-0083.72e-0083

23、.52e-0085.403.33e-0083.15e-0082.98e-0082.82e-0082.66e-0082.52e-0082.38e-0082.25e-0082.13e-0082.01e-0085.501.90e-0081.79e-0081.69e-0081.60e-0081.51e-0081.43e-0081.35e-0081.27e-0081.20e-0081.14e-0085.601.07e-0081.01e-0089.55e-0099.01e-0098.50e-0098.02e-0097.57e-0097.14e-0096.73e-0096.35e-0095.705.99e-

24、0095.65e-0095.33e-0095.02e-0094.73e-0094.46e-0094.21e-0093.96e-0093.74e-0093.52e-0095.803.32e-0093.12e-0092.94e-0092.77e-0092.61e-0092.46e-0092.31e-0092.18e-0092.05e-0091.93e-0095.901.82e-0091.71e-0091.61e-0091.51e-0091.43e-0091.34e-0091.26e-0091.19e-0091.12e-0091.05e-009Z整理课件26Z0.00 0.01 0.02 0.03

25、0.04 0.05 0.06 0.07 0.08 0.09 6.009.87e-0109.28e-0108.72e-0108.20e-0107.71e-0107.24e-0106.81e-0106.40e-0106.01e-0105.65e-0106.105.30e-0104.98e-0104.68e-0104.39e-0104.13e-0103.87e-0103.64e-0103.41e-0103.21e-0103.01e-0106.202.82e-0102.65e-0102.49e-0102.33e-0102.19e-0102.05e-0101.92e-0101.81e-0101.69e-

26、0101.59e-0106.301.49e-0101.40e-0101.31e-0101.23e-0101.15e-0101.08e-0101.01e-0109.45e-0118.85e-0118.29e-0116.407.77e-0117.28e-0116.81e-0116.38e-0115.97e-0115.59e-0115.24e-0114.90e-0114.59e-0114.29e-0116.504.02e-0113.76e-0113.52e-0113.29e-0113.08e-0112.88e-0112.69e-0112.52e-0112.35e-0112.20e-0116.602.

27、06e-0111.92e-0111.80e-0111.68e-0111.57e-0111.47e-0111.37e-0111.28e-0111.19e-0111.12e-0116.701.04e-0119.73e-0129.09e-0128.48e-0127.92e-0127.39e-0126.90e-0126.44e-0126.01e-0125.61e-0126.805.23e-0124.88e-0124.55e-0124.25e-0123.96e-0123.69e-0123.44e-0123.21e-0122.99e-0122.79e-0126.902.60e-0122.42e-0122.

28、26e-0122.10e-0121.96e-0121.83e-0121.70e-0121.58e-0121.48e-0121.37e-0127.001.28e-0121.19e-0121.11e-0121.03e-0129.61e-0138.95e-0138.33e-0137.75e-0137.21e-0136.71e-0137.106.24e-0135.80e-0135.40e-0135.02e-0134.67e-0134.34e-0134.03e-0133.75e-0133.49e-0133.24e-0137.203.01e-0132.80e-0132.60e-0132.41e-0132.

29、24e-0132.08e-0131.94e-0131.80e-0131.67e-0131.55e-0137.301.44e-0131.34e-0131.24e-0131.15e-0131.07e-0139.91e-0149.20e-0148.53e-0147.91e-0147.34e-0147.406.81e-0146.31e-0145.86e-0145.43e-0145.03e-0144.67e-0144.33e-0144.01e-0143.72e-0143.44e-0147.503.19e-0142.96e-0142.74e-0142.54e-0142.35e-0142.18e-0142.

30、02e-0141.87e-0141.73e-0141.60e-0147.601.48e-0141.37e-0141.27e-0141.17e-0141.09e-0141.00e-0149.30e-0158.60e-0157.95e-0157.36e-0157.706.80e-0156.29e-0155.82e-0155.38e-0154.97e-0154.59e-0154.25e-0153.92e-0153.63e-0153.35e-0157.803.10e-0152.86e-0152.64e-0152.44e-0152.25e-0152.08e-0151.92e-0151.77e-0151.

31、64e-0151.51e-0157.901.39e-0151.29e-0151.19e-0151.10e-0151.01e-0159.33e-0168.60e-0167.93e-0167.32e-0166.75e-0168.006.22e-0165.74e-0165.29e-0164.87e-0164.49e-0164.14e-0163.81e-0163.51e-0163.24e-0162.98e-0168.102.75e-0162.53e-0162.33e-0162.15e-0161.98e-0161.82e-0161.68e-0161.54e-0161.42e-0161.31e-0168.

32、201.20e-0161.11e-0161.02e-0169.36e-0178.61e-0177.92e-0177.28e-0176.70e-0176.16e-0175.66e-0178.305.21e-0174.79e-0174.40e-0174.04e-0173.71e-0173.41e-0173.14e-0172.88e-0172.65e-0172.43e-0178.402.23e-0172.05e-0171.88e-0171.73e-0171.59e-0171.46e-0171.34e-0171.23e-0171.13e-0171.03e-0178.509.48e-0188.70e-0

33、187.98e-0187.32e-0186.71e-0186.15e-0185.64e-0185.17e-0184.74e-0184.35e-0188.603.99e-0183.65e-0183.35e-0183.07e-0182.81e-0182.57e-0182.36e-0182.16e-0181.98e-0181.81e-0188.701.66e-0181.52e-0181.39e-0181.27e-0181.17e-0181.07e-0189.76e-0198.93e-0198.17e-0197.48e-0198.806.84e-0196.26e-0195.72e-0195.23e-0

34、194.79e-0194.38e-0194.00e-0193.66e-0193.34e-0193.06e-0198.902.79e-0192.55e-0192.33e-0192.13e-0191.95e-0191.78e-0191.62e-0191.48e-0191.35e-0191.24e-019Z整理课件27Z0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 9.001.13e-0191.03e-0199.40e-0208.58e-0207.83e-0207.15e-0206.52e-020 5.95e-0205.43e-0204.95e-

35、0209.104.52e-0204.12e-0203.76e-0203.42e-0203.12e-0202.85e-0202.59e-020 2.37e-0202.16e-0201.96e-0209.201.79e-0201.63e-0201.49e-0201.35e-0201.23e-0201.12e-0201.02e-020 9.31e-0218.47e-0217.71e-0219.307.02e-0216.39e-0215.82e-0215.29e-0214.82e-0214.38e-0213.99e-021 3.63e-0213.30e-0213.00e-0219.402.73e-02

36、12.48e-0212.26e-0212.05e-0211.86e-0211.69e-0211.54e-021 1.40e-0211.27e-0211.16e-0219.501.05e-0219.53e-0228.66e-0227.86e-0227.14e-0226.48e-0225.89e-022 5.35e-0224.85e-0224.40e-0229.604.00e-0223.63e-0223.29e-0222.99e-0222.71e-0222.46e-0222.23e-022 2.02e-0221.83e-0221.66e-0229.701.51e-0221.37e-0221.24e

37、-0221.12e-0221.02e-0229.22e-0238.36e-023 7.57e-0236.86e-0236.21e-0239.805.63e-0235.10e-0234.62e-0234.18e-0233.79e-0233.43e-0233.10e-023 2.81e-0232.54e-0232.30e-0239.902.08e-0231.88e-0231.70e-0231.54e-0231.39e-0231.26e-0231.14e-023 1.03e-0239.32e-0248.43e-02410.007.62e-0246.89e-0246.23e-0245.63e-0245

38、.08e-0244.59e-0244.15e-024 3.75e-0243.39e-0243.06e-024Z整理课件28 例子例子: : 客户要求所有交付的灯泡都是完整的客户要求所有交付的灯泡都是完整的.没有破损的没有破损的. . 在在100100个样品中有个样品中有1717个是破损的个是破损的. . DPMODPMO是多少是多少? ? 这个发运过程的这个发运过程的 “sigma” sigma” 是多少是多少? ?1) 运用规范来确定缺陷率. 缺陷是破损的灯泡. 破损率 = 17/100 = 0.17 或 17%2) 计算 DPMO:破损率 X 1000000 机会 = 0.17 X 1,0

39、00,000 = 170,000 DPMO3) 将缺陷率转换为用科学记数法表示:0.17 = 1.7E-01整理课件294) 4) 从正态分布表中查找从正态分布表中查找 Z Z 值值: :正态分布正态分布Z Z0 00.010.010.020.020.030.030.040.040.050.050.060.060.070.070.080.080.090.090.05.00E-014.96E-014.92E-014.88E-014.84E-014.80E-014.76E-014.72E-014.68E-014.64E-010.14.60E-014.56E-014.52E-014.48E-014.

40、44E-014.40E-014.36E-014.33E-014.29E-014.25E-010.24.21E-014.17E-014.13E-014.09E-014.05E-014.01E-013.97E-013.94E-013.90E-013.86E-010.33.82E-013.78E-013.75E-013.71E-013.67E-013.63E-013.59E-013.56E-013.52E-013.48E-010.43.45E-013.41E-013.37E-013.34E-013.30E-013.26E-013.23E-013.19E-013.16E-013.12E-010.53.

41、09E-013.05E-013.02E-012.98E-012.95E-012.91E-012.88E-012.84E-012.81E-012.78E-010.62.74E-012.71E-012.68E-012.64E-012.61E-012.58E-012.55E-012.51E-012.48E-012.45E-010.72.42E-012.39E-012.36E-012.33E-012.30E-012.27E-012.24E-012.21E-012.18E-012.15E-010.82.12E-012.09E-012.06E-012.03E-012.01E-011.98E-011.95E

42、-011.92E-011.89E-011.87E-010.91.84E-011.81E-011.79E-011.76E-011.74E-011.71E-011.69E-011.66E-011.64E-011.61E-01Z = 0.96, Z = 0.96, 或者说或者说, , 该过程是一个该过程是一个 0.96 0.96 sigma sigma 过程过程 . . 相对于相对于 6 6 sigma sigma 的目的目标来讲标来讲, , 不是很好不是很好. .Z例子 - 逻辑变量整理课件30整理课件31整理课件32Z=( x -)整理课件33计算计算 Z Z 值需要值需要 4 4 个条件个条件

43、: :1) 平均值Mean 2) 标准偏差3) 规范 (单边 或 双边)4) 正态分布的假定 (那么就可以使用正态表确定缺陷率)例子例子 #1 #1A (A (单边规范极限单边规范极限): ):等候服务台回答你的电话的平均时间为5分钟. 标准偏差为2.06分钟. 规范是小于或等于7分钟. DPMO和Z值各是多少?1) 计算 Z 值:X = 5Zusl = USL - X = 7 - 5 = 0.97s = 2.06 s 2.06USL = 7 2) 确定缺陷率 (超过7分钟才被回答的电话):USL57超出规范上限的缺陷!单边规范单边规范整理课件34正态分布正态分布Z Z0 00.010.010

44、.020.020.030.030.040.040.050.050.060.060.070.070.080.080.090.090.05.00E-014.96E-014.92E-014.88E-014.84E-014.80E-014.76E-014.72E-014.68E-014.64E-010.14.60E-014.56E-014.52E-014.48E-014.44E-014.40E-014.36E-014.33E-014.29E-014.25E-010.24.21E-014.17E-014.13E-014.09E-014.05E-014.01E-013.97E-013.94E-013.90

45、E-013.86E-010.33.82E-013.78E-013.75E-013.71E-013.67E-013.63E-013.59E-013.56E-013.52E-013.48E-010.43.45E-013.41E-013.37E-013.34E-013.30E-013.26E-013.23E-013.19E-013.16E-013.12E-010.53.09E-013.05E-013.02E-012.98E-012.95E-012.91E-012.88E-012.84E-012.81E-012.78E-010.62.74E-012.71E-012.68E-012.64E-012.61

46、E-012.58E-012.55E-012.51E-012.48E-012.45E-010.72.42E-012.39E-012.36E-012.33E-012.30E-012.27E-012.24E-012.21E-012.18E-012.15E-010.82.12E-012.09E-012.06E-012.03E-012.01E-011.98E-011.95E-011.92E-011.89E-011.87E-010.91.84E-011.81E-011.79E-011.76E-011.74E-011.71E-011.69E-011.66E-011.64E-011.61E-01ZZ Z 值大

47、于值大于0.970.97的概率是多少的概率是多少? ?查表, 当 Z=0.97时, 概率 = 1.66E-01科学计数转换科学计数转换: : 1.66E-01 = 0.166这表示这表示, , 电话超过电话超过7 7分钟才被回答的概率是分钟才被回答的概率是0.166, 0.166, 或者说或者说, , 缺陷率是缺陷率是0.1660.166或或16.6%.16.6%.该过程的该过程的 “sigma” sigma” 是多少是多少? ?Z=.97 Z=.97 所以该过程是所以该过程是 0.97 0.97 sigmasigma过程过程相对于我们的相对于我们的 6 6 sigma sigma 目标不很好

48、目标不很好. .单边规范单边规范整理课件3530252015105Upper SpecUpper Spec整理课件3665432Low er SpecLow er Spec 3.00 - 4.36 0.81Z = -1.68 LSL - X sZ =整理课件37整理课件38整理课件39整理课件40整理课件41整理课件42535251504948474645Upper SpecLow er Spec整理课件43Z=(L S L - x ) =4 6 - 4 8 .6 81 .1 1 = - 2 .4 2LZ=(USL - x) =50 - 48.681.11 = 1.19U53525150494

49、8474645Upper SpecLow er Spec535251504948474645Upper SpecLow er Spec整理课件44整理课件45535251504948474645U p p e r S p e cL o w e r S p e c535251504948474645Upper SpecLow er Spec5 35 25 15 04 94 84 74 64 5U p p e r S p e cL o w e r S p e c整理课件46LSLZ.LSL = X - LSL S=1.050 - 1.000 .015 Z.LSL = 3.33查表查表, .0004 or ( .04% ) 超出规范超出规范正态分布举例正态分布举例规范为规范为 1.030” + .030 = ( 1.000, 1.060 )假定测量假定测量 30 个零件个零件, X = 1.050, s = .015计算超出规范的比率计算超出规范的比率查表查表 .2514 or ( 25% ) 超出规范超出规范.USL Z.USL = USL - X