控制图及CPK计算
关键特性过程控制图及CPK分析
零件名称R
图零件编号/版本图纸编号/版本测量单位日期/時間组号1234567891011
12
13
1415161718192021222324
样110.0210.0110.0910.0210.0110.0110.0210.0210.0110.0010.0010.009.9910.029.9910.0210.0110.00
9.989.9910.009.9710.0210.01本210.029.989.9810.0110.0210.0010.029.9810.0210.0210.0210.029.9810.0010.0110.0010.009.98
10.0210.0210.019.98
10.029.99
测310.0110.0210.0110.0010.0010.0210.0210.039.9910.0310.019.98
10.01
10.029.989.9810.0310.03
10.0210.0110.0010.0210.039.98
定410.0010.0310.029.999.9910.039.9910.029.9810.0110.0210.0210.0210.0110.009.9810.0010.01
9.9810.029.9910.0210.0210.00
值5
10.03
9.99
10.03
10.01
10.01
9.98
10.02
10.00
10.00
10.02
10.0010.0110.01
10.02
10.0110.0210.0110.00
9.99
10.02
10.0310.0210.0210.03
Dimension
ΣＸ50.0850.0350.1350.0350.0350.0450.0750.0550.0050.0850.0550.0350.0150.0749.9950.0050.0550.0249.9950.0650.0350.0150.1150.01Ｘ均值10.0210.0110.0310.0110.0110.0110.0110.0110.0010.0210.0110.0110.0010.0110.0010.0010.0110.0010.0010.0110.0110.0010.0210.00R
0.03
0.05
0.11
0.03
0.03
0.05
0.03
0.05
0.04
0.03
0.02
0.04
0.04
0.02
0.03
0.04
0.03
0.05
0.04
0.03
0.04
0.05
0.01
0.05
x R 规格标准样本容量
控制限X 图生产状况说明：
生产线别/机台/模具编号/型腔编号
规格上限 USL 10.045控制上限 UCL 10.030.080.04规格下限 LSL
9.97
25
控制下限 LCL
9.99
0.00
规格中心限CL 10.00样本组数控制中心限CL 10.01控制图
如果控制图表明过程不受控或CPK小于1.67，应分析原因
控制图
9.96
9.9810.0010.0210.041
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
均值上控制限下控制限中心线
0.00
0.050.100.151
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
极差上控制限下控制限
n2345678910
d2 1.13 1.69 2.06 2.33 2.53 2.7 2.85 2.97 3.08 2.33
D3000000.080.140.180.220
D4 3.27 2.57 2.28 2.11 2.00 1.92 1.86 1.82 1.78 2.11
A2 1.88 1.020.730.580.480.420.370.340.310.58
X
UCL10.0310.0310.0310.0310.0310.0310.0310.0310.0310.0310.0310.0310.0310.0310.0310.0310.0310.0310.0310.0310.0310.0310.0310.0310.03 CL10.0110.0110.0110.0110.0110.0110.0110.0110.0110.0110.0110.0110.0110.0110.0110.0110.0110.0110.0110.0110.0110.0110.0110.0110.01 LCL9.999.999.999.999.999.999.999.999.999.999.999.999.999.999.999.999.999.999.999.999.999.999.999.999.99 100.40100.20101.81100.40100.20100.20100.40100.40100.20100.00100.00100.0099.80100.4099.80100.40100.20100.0099.6099.80100.0099.40100.40100.20100.40 100.4099.6099.60100.20100.40100.00100.4099.60100.40100.40100.40100.4099.60100.00100.20100.00100.0099.60100.40100.40100.2099.60100.4099.80100.00 100.20100.40100.20100.00100.00100.40100.40100.6099.80100.60100.2099.60100.20100.4099.6099.60100.60100.60100.40100.20100.00100.40100.6099.6099.80 100.00100.60100.4099.8099.80100.6099.80100.4099.60100.20100.40100.40100.40100.20100.0099.60100.00100.2099.60100.4099.80100.40100.40100.00100.00 100.6099.80100.60100.20100.2099.60100.40100.00100.00100.40100.00100.20100.20100.40100.20100.40100.20100.0099.80100.40100.60100.40100.40100.60100.40
0.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.00 R
UCL0.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.08 CL0.040.040.040.040.040.040.040.040.040.040.040.040.040.040.040.040.040.040.040.040.040.040.040.040.04 LCL0.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.00
USL10.0410.0410.0410.0410.0410.0410.0410.0410.0410.0410.0410.0410.0410.0410.0410.0410.0410.0410.0410.0410.0410.0410.0410.0410.04 LSL9.979.979.979.979.979.979.979.979.979.979.979.979.979.979.979.979.979.979.979.979.979.979.979.979.97
10.03 10.01 9.99 #REF! #REF! #REF! #REF! #REF! #REF!
0.08 0.04 0.00
10.04 9.97