CPK值换算

Cpk与PPM和西格玛的换算

Cpk PPM Cpk PPM Cpk PPM

0.51 126016.73 1.01 2445.54 1.51 5.90

0.52 118759.88 0.53 111834.81 0.54 105232.28 0.55 98942.94 0.56 92957.32 0.57 87265.87 0.58 81859.02 0.59 76727.14 0.60 71860.64 0.61 67249.94 1.02 2213.37 1.03 2001.56 1.04 1808.51 1.05 1632.70 1.06 1472.75 1.07 1327.35 1.08 1195.30 1.09 1075.47 1.10 966.85 1.11 868.46 1.52 1.53 1.54 1.55 1.56 1.57 1.58 1.59 5.12

4.43

3.84

3.32

2.87

2.48

2.14

1.84

1.59

1.37

1.60 1.61

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 0.66 47703.53 0.67 44431.19 0.68 41350.33 0.69 38452.34 0.70 35728.84 0.71 33171.61 0.72 30772.67 0.73 28524.24 0.74 26418.77 1.15 560.59 1.16 501.41 1.17 448.11 1.18 400.13 1.19 356.98 1.20 318.22 1.21 283.42 1.22 252.22 1.23 224.25 1.24 199.22 1.65 0.7421

1.66 0.6358

1.67 0.5443

1.68 0.4655

1.69 0.3978

1.70 0.3397

1.71 0.2897

1.72 0.2469

1.73 0.2103

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 0.79 17788.09 0.80 16395.07 0.81 15098.82 0.82 13893.70 0.83 12774.31 0.84 11735.48 0.85 10772.29 0.86 9880.03 0.87 9054.22 1.28 123.03 1.29 108.84 1.30 96.19 1.31 84.95 1.32 74.95 1.33 66.07 1.34 58.20 1.35 51.22 45.04 39.57 1.78 1.79 1.80 1.81 1.82 1.83 1.84 1.85 1.86 1.87 0.0929

0.0787

0.0666

0.0564

0.0476

0.0402

0.0339

0.0286

0.0241

0.0202

1.36 1.37

0.88 8290.60 1.38 34.73 1.88 0.0170

0.89 7585.12 1.39 30.46 1.89 0.0143

0.90 6933.95 1.40 26.69 1.90 0.0120

0.91 6333.43 0.92 5780.14 0.93 5270.80 0.94 4802.36 0.95 4371.92 0.96 3976.75 0.97 3614.29 0.98 3282.12 0.99 2978.00 1.00 2699.80 1.41 23.37 1.42 20.44 17.87 15.60 13.61 11.87 10.34 9.00 7.82 6.80 1.91 1.92 1.93 1.94 1.95 1.96 1.97 1.98 1.99 2.00 0.0100

0.0084

0.0070

0.0059

0.0049

0.0041

0.0034

0.0029

0.0024

0.0020

1.43 1.44 1.45 1.46 1.47 1.48 1.49 1.50

CPK=1.00为 3σ CPK=1.33为 4σ CPK=1.67为5σ CPK=2.0为6σ