X—R控制图
n2345678910
d2 1.1 1.7 2.1 2.3 2.5 2.7 2.93 3.1 2.3
D3000000.10.10.20.20
D4 3.3 2.6 2.3 2.1### 1.9 1.9 1.8 1.8 2.1
A2 1.910.70.60.50.40.40.30.30.6
X
UCL0.820.820.820.820.820.820.820.820.820.820.820.820.820.820.820.820.820.820.820.820.820.820.820.820.820.82
CL0.720.720.720.720.720.720.720.720.720.720.720.720.720.720.720.720.720.720.720.720.720.720.720.720.720.72
LCL0.610.610.610.610.610.610.610.610.610.610.610.610.610.610.610.610.610.610.610.610.610.610.610.610.610.6164.99
0.420.560.560.360.490.360.560.360.420.360.640.720.490.420.810.560.560.560.420.360.250.360.640.420.420.0012.11
0.490.720.640.490.560.560.640.490.640.490.560.560.490.490.640.640.490.490.420.360.300.640.420.360.490.0013.09
0.420.560.640.490.420.560.420.640.720.360.810.720.560.720.640.560.720.360.720.420.420.420.560.420.490.0013.81
0.420.720.490.560.720.720.560.560.720.640.250.420.560.560.560.640.490.490.420.360.640.420.420.360.360.0013.10
0.720.420.560.420.640.490.490.560.560.420.640.490.490.360.720.420.640.360.490.420.640.560.420.490.420.0012.87
0.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.00 R
UCL0.380.380.380.380.380.380.380.380.380.380.380.380.380.380.380.380.380.380.380.380.380.380.380.380.380.38
CL0.180.180.180.180.180.180.180.180.180.180.180.180.180.180.180.180.180.180.180.180.180.180.180.180.180.18
LCL0.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.00
USL0.900.900.900.900.900.900.900.900.900.900.900.900.900.900.900.900.900.900.900.900.900.900.900.900.900.90
LSL0.500.500.500.500.500.500.500.500.500.500.500.500.500.500.500.500.500.500.500.500.500.500.500.500.500.50