课外学习-Cp、Cpk、Pp、Ppk、Ppm公式

sigma水平、公差范围、CPK与不良率(PPM)对照表

1666.7%0.180.06800000107.5% 2.790.935270.868.0% 4.41 1.4710.34 769.2%0.390.137********.4% 2.820.944802.3667.6% 4.44 1.489 625.0%0.480.166********.3% 2.850.954371.9267.1% 4.47 1.497.82 454.5%0.660.22500000104.2% 2.880.963976.7566.7% 4.5 1.5 6.8 357.1%0.840.28400000103.1% 2.910.973614.2966.2% 4.53 1.51 5.9 303.0%0.990.33317310102.0% 2.940.983282.1265.8% 4.56 1.52 5.12 285.7% 1.050.35293800101.0% 2.970.99297865.4% 4.59 1.53 4.43 263.2% 1.140.38250000100.0%312699.864.9% 4.62 1.54 3.84 250.0% 1.20.423020099.0% 3.03 1.012445.5464.5% 4.65 1.55 3.32 232.6% 1.290.4320000098.0% 3.06 1.022213.3764.1% 4.68 1.56 2.87 222.2% 1.350.4517700097.1% 3.09 1.032001.5663.7% 4.71 1.57 2.48 208.3% 1.440.4815000096.2% 3.12 1.041808.5163.3% 4.74 1.58 2.14 196.1% 1.530.51126016.7395.2% 3.15 1.051632.762.9% 4.77 1.59 1.84 192.3% 1.560.52118759.8894.3% 3.18 1.061472.7562.5% 4.8 1.6 1.59 188.7% 1.590.53111834.8193.5% 3.21 1.071327.3562.1% 4.83 1.61 1.37 185.2% 1.620.54105232.2892.6% 3.24 1.081195.361.7% 4.86 1.62 1.17 181.8% 1.650.5598942.9491.7% 3.27 1.091075.4761.3% 4.89 1.63 1.01 178.6% 1.680.5692957.3290.9% 3.3 1.1966.8561.0% 4.92 1.640.8654 175.4% 1.710.5787265.8790.1% 3.33 1.11868.4660.6% 4.95 1.650.7421 172.4% 1.740.5881859.0289.3% 3.36 1.12779.4260.2% 4.98 1.660.6358 169.5% 1.770.5976727.1488.5% 3.39 1.13698.9359.9% 5.01 1.670.5443 166.7% 1.80.671860.6487.7% 3.42 1.14626.2159.5% 5.04 1.680.4655 163.9% 1.830.6167249.9487.0% 3.45 1.15560.5959.2% 5.07 1.690.3978 161.3% 1.860.6262885.5386.2% 3.48 1.16501.4158.8% 5.1 1.70.3397 158.7% 1.890.6358757.9685.5% 3.51 1.17448.1158.5% 5.13 1.710.2897 156.3% 1.920.6454857.984.7% 3.54 1.18400.1358.1% 5.16 1.720.2469 153.8% 1.950.6551176.1284.0% 3.57 1.19356.9857.8% 5.19 1.730.2103 151.5% 1.980.6647703.5383.3% 3.6 1.2318.2257.5% 5.22 1.740.1789 149.3% 2.010.6744431.1982.6% 3.63 1.21283.4257.1% 5.25 1.750.1521 147.1% 2.040.6841350.3382.0% 3.66 1.22252.2256.8% 5.28 1.760.1292 144.9% 2.070.6938452.3481.3% 3.69 1.23224.2556.5% 5.31 1.770.1096

CPK 不合格率对照表

Cpk PPM Cpk PPM Cpk PPM 0.51 126016.73 1.01 2445.54 1.51 5.90 0.52 118759.88 1.02 2213.37 1.52 5.12 0.53 111834.81 1.03 2001.56 1.53 4.43 0.54 105232.28 1.04 1808.51 1.54 3.84 0.55 98942.94 1.05 1632.70 1.55 3.32 0.56 92957.32 1.06 1472.75 1.56 2.87 0.57 87265.87 1.07 1327.35 1.57 2.48 0.58 81859.02 1.08 1195.30 1.58 2.14 0.59 76727.14 1.09 1075.47 1.59 1.84 0.60 71860.64 1.10 966.85 1.60 1.59 0.61 67249.94 1.11 868.46 1.61 1.37 0.62 62885.53 1.12 779.42 1.62 1.17 0.63 58757.96 1.13 698.93 1.63 1.01 0.64 54857.90 1.14 626.21 1.64 0.8654 0.65 51176.12 1.15 560.59 1.65 0.7421 0.66 47703.53 1.16 501.41 1.66 0.6358 0.67 44431.19 1.17 448.11 1.67 0.5443 0.68 41350.33 1.18 400.13 1.68 0.4655 0.69 38452.34 1.19 356.98 1.69 0.3978 0.70 35728.84 1.20 318.22 1.70 0.3397 0.71 33171.61 1.21 283.42 1.71 0.2897 0.72 30772.67 1.22 252.22 1.72 0.2469 0.73 28524.24 1.23 224.25 1.73 0.2103 0.74 26418.77 1.24 199.22 1.74 0.1789 0.75 24448.95 1.25 176.83 1.75 0.1521 0.76 22607.69 1.26 156.83 1.76 0.1292 0.77 20888.15 1.27 138.97 1.77 0.1096 0.78 19283.74 1.28 123.03 1.78 0.0929