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XR均值和极差图控制图数据表及图 工 序 能 力 研 究 产品型号/名称
零件号/零件名称: 技术要求:φ22±0.5MM日期 9/20
工序号:工序名称:工装名称编号:
设备编号:检测量仪:卡尺 工 程最 大USL=22.5
过程能力指数要求:PPK≥1.67样本数量:100规 范 最 小LSL=21.5序时 测 量 计 算 备
号间 X1 X2 X3 X4 X5 R注
122.1022.0622.0422.1022.0750.06
222.0022.0422.0022.0622.0250.06
322.0622.0621.9822.0422.0350.08
422.1022.0421.9422..422.026670.16
522.1022.0622.0422.1022.0750.06
622.0422.0221.9622.1022.030.14
722.0022.0022.0222.0222.010.02
822.0422.1022.0622.1022.0750.06
922.1022.0422.1022.1622.10.12
1022.0421.9422.0422.0822.0250.14
1122.0222.0622.0022.1022.0450.11222.1221.9621.9422.0022.0050.18
1322.1022.0222.0622.1022.070.08
1422.0622.1022.1222.0422.080.08
1522.0222.0621.9422.0222.010.12
1622.1022.0422.0622.1222.080.08
1722.1022.0621.9422.0022.0250.16
1822.1622.1022.0422.0822.0950.12
1922.1022.0022.0221.9222.010.18
2022.1022.0622.1022.1022.090.04
2122.1022.1022.1022.0422.0850.06
2222.1222.1022.0022.0622.070.12
2322.1022.1022.0222.0222.060.08
2422.1222.1022.0421.9822.060.14
2522.0022.1021.9222.0022.0050.18
n 0.050933 总 计551.26672.62
40.7292.2820.4860.053702 平 均
50.5772.1150.4322.050670.1048
控 制 图 R 控 制 图8.822082
22.12707UCL=D4R=0.239154 10.811638.822082
22.05067 CL=R=0.10488.367228
21.97427LCL不予考虑 10.25428.367228
非随机图落在控制限三分之一的中间区域的点百分比0.442.940694
形 判 断R落在控制限三分之一的中间区域的点百分比0.522.789076()ZUSLXUSL=-=$s
UCLXAR=+=2CLX==
LCLXAR=-=2A2D412d
XRX
CPK=$s==Rd2
()ZXLSLLSL=-=$sZmin=X$sS=
()ZUSLXUslS'$=-=s()ZXLSLULSLS'$=-=sZmin'=
PPK=X
第 1 页XR均值和极差图控制图数据表及图
第 2 页XR均值和极差图控制图数据表及图没超出控制上限的点。
评没超出控制下限的点。
图没有“链”存在。
没有明显的非随机图形。R没超出控制上限的点。
价没有“链”存在。
图没有明显的非随机图形。
能 力
Cpk:能力指数过剩,考虑是否降低成本。
指 数 PPK:
能力指数符合要求21.521.721.922.122.322.5
12345678910111213141516171819202122232425
00.10.20.30.40.50.6
12345678910111213141516171819202122232425Xͼ
XRͼ
UCL
CLUCL
CL
LCL
第 3 页XR均值和极差图控制图数据表及图
22.1270722.0506721.974270.2391540.1048
22.1270722.0506721.974270.2391540.1048
22.1270722.0506721.974270.2391540.1048
22.1270722.0506721.974270.2391540.1048
22.1270722.0506721.974270.2391540.1048
22.1270722.0506721.974270.2391540.1048
22.1270722.0506721.974270.2391540.1048
22.1270722.0506721.974270.2391540.1048
22.1270722.0506721.974270.2391540.1048
22.1270722.0506721.974270.2391540.1048
22.1270722.0506721.974270.2391540.1048
22.1270722.0506721.974270.2391540.1048
22.1270722.0506721.974270.2391540.1048
22.1270722.0506721.974270.2391540.1048
22.1270722.0506721.974270.2391540.1048
22.1270722.0506721.974270.2391540.1048
22.1270722.0506721.974270.2391540.1048
22.1270722.0506721.974270.2391540.1048
22.1270722.0506721.974270.2391540.1048
22.1270722.0506721.974270.2391540.1048
22.1270722.0506721.974270.2391540.1048
22.1270722.0506721.974270.2391540.1048
22.1270722.0506721.974270.2391540.1048
22.1270722.0506721.974270.2391540.1048
22.1270722.0506721.974270.2391540.1048
第 4 页XR均值和极差图控制图数据表及图
第 5 页XR均值和极差图控制图数据表及图
第 6 页