计量控制图常数表

A

A 2

A 3

c 4

1/c 4

B 3

B 4

B 5

B 6

d 2

1/d 2

d 3

D 1

D 2

D 3

D 4

m 3

m 3A 2

2 2.121 1.880 2.6590.7979 1.25330 3.2670 2.606 1.1280.88650.8530 3.6860 3.267 1.000 1.880

3 1.732 1.023 1.9540.8862 1.12840 2.5680 2.276 1.6930.59070.8880 4.3580 2.57

4 1.160 1.1874 1.5000.729 1.6280.9213 1.08540 2.2660 2.088 2.0590.48570.8800 4.6980 2.282 1.0920.796

5 1.3420.577 1.4270.9400 1.06380 2.0890 1.964 2.3260.42990.8640 4.9180 2.114 1.1980.691

6 1.2250.483 1.2870.9515 1.05100.030 1.9700.029 1.874 2.5340.39460.8480 5.0780 2.004 1.1350.549

7 1.1340.419 1.1820.9594 1.04230.11

8 1.8820.113 1.806 2.7040.36980.8330.204 5.2040.076 1.924 1.2140.5098 1.0610.373 1.0990.9650 1.03630.185 1.8150.17

9 1.751 2.8470.35120.8200.388 5.3060.136 1.864 1.1600.4329 1.0000.337 1.0320.9693 1.03170.239 1.7610.232 1.707 2.9700.33670.8080.547 5.3930.184 1.816 1.2230.412100.9490.3080.9750.9727 1.02810.284 1.7160.276 1.669 3.0780.32490.7970.687 5.4690.223 1.777 1.176

0.363

110.9050.2850.9270.9754 1.02520.321 1.6790.313 1.637 3.1730.31520.7870.811 5.5350.256 1.744120.8660.2660.8860.9776 1.02290.354 1.6460.346 1.610 3.2580.30690.7780.922 5.5940.283 1.717130.8320.2490.8500.9794 1.02100.382 1.6180.374 1.585 3.3360.29980.770 1.025 5.6470.307 1.693140.8020.2350.8170.9810 1.01940.406 1.5940.399 1.563 3.4070.29350.763 1.118 5.6960.328 1.672150.7750.2230.7890.9823 1.01800.428 1.5720.421 1.544 3.4720.28800.756 1.203 5.7410.347 1.653160.7500.2120.7630.9835 1.01680.448 1.5520.440 1.526 3.5320.28310.750 1.282 5.7820.363 1.637170.7280.2030.7390.9845 1.01570.466 1.5340.458 1.511 3.5880.27870.744 1.356 5.8200.378 1.622180.7070.1940.7180.9854 1.01480.482 1.5180.475 1.496 3.6400.27470.739 1.424 5.8560.391 1.608190.6880.1870.6980.9862 1.01400.497 1.5030.490 1.483 3.6890.27110.734 1.487 5.8910.403 1.597200.6710.1800.6800.9869 1.01330.510 1.4900.504 1.417 3.7350.26770.729 1.549 5.9210.415 1.585210.6550.1730.6630.9876 1.01260.523 1.4770.516 1.459 3.7780.26470.724 1.605 5.9510.425 1.575220.6400.1670.6470.9882 1.01190.534 1.4660.528 1.448 3.8190.26180.720 1.659 5.9790.434 1.566230.6260.1620.6330.9887 1.01140.545 1.4550.539 1.438 3.8580.25920.716 1.710 6.0060.443 1.557240.6120.1570.6190.9892 1.01090.555 1.4450.549 1.429 3.8950.25670.712 1.759 6.0310.451 1.548250.6000.153

0.6060.9896 1.01050.565

1.4350.559 1.420 3.931

0.2544

0.708

1.806

6.056

0.459

1.541

0.8040.803119

0.275

0.276

0.9979

1.0021

0.804

1.196

0.803

1.193

控制限系数

中心线系数

控制限系数

控制限系数

计量控制图常数表

子组大小

n

均值控制图

标准差控制图

极差控制图

中位数控制图控制限系数

中心线系数

x

s

R

x