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過程穩(wěn)定性評(píng)估:X-R控制圖,,,,,,,,,,,,,,,,,,,,,,,,,
,,,,,,,,,,,,,,,,,,,,,,,,,,
評(píng)估工序:,,,,,產(chǎn)品名稱:,,,O形圈,,,,產(chǎn)品規(guī)格:,,,φ20×2.4,,,,產(chǎn)品圖號(hào):,,,,,,
操作人員:,,,,,產(chǎn)品批號(hào):,,,,,,,生產(chǎn)機(jī)臺(tái):,,,2-10,,,,評(píng)估日期:,,,,,,
測(cè)量?jī)x器:,帶表卡尺,,,,儀器編號(hào):,,,尺-34,,,,測(cè)量單位:,,,mm,,,,測(cè)量人員:,,,,,,
測(cè)量特性:,截面尺寸,,,,標(biāo)準(zhǔn)值:,,,2.40,,,,標(biāo)準(zhǔn)上限:,,,2.47,,,,標(biāo)準(zhǔn)下限:,,,2.33,,,
,,,,,,,,,,,,,,,,,,,,,,,,,,
,,,,,,,,,,,,,,,,,,,,,,,,,,
樣本子組,08:00,08:30,09:00,09:30,10:00,10:30,11:00,11:30,12:00,12:30,13:00,13:30,14:00,14:30,15:00,15:30,16:00,16:30,17:00,17:30,18:00,18:30,19:00,19:30,20.00
樣本1,2.40,2.38,2.39,2.40,2.38,2.39,2.39,2.38,2.42,2.41,2.39,2.39,2.43,2.38,2.38,2.38,2.39,2.40,2.39,2.38,2.40,2.40,2.40,2.38,2.38
樣本2,2.41,2.39,2.39,2.39,2.39,2.41,2.41,2.39,2.39,2.42,2.38,2.41,2.38,2.40,2.38,2.39,2.41,2.41,2.41,2.39,2.41,2.39,2.38,2.38,2.38
樣本3,2.39,2.37,2.41,2.38,2.41,2.41,2.39,2.44,2.43,2.40,2.41,2.39,2.38,2.42,2.39,2.42,2.40,2.38,2.39,2.40,2.41,2.39,2.41,2.41,2.39
樣本4,2.38,2.40,2.40,2.39,2.39,2.38,2.38,2.38,2.38,2.40,2.38,2.38,2.39,2.42,2.39,2.39,2.42,2.39,2.38,2.40,2.38,2.38,2.43,2.39,2.42
樣本5,2.42,2.39,2.39,2.43,2.41,2.38,2.39,2.40,2.40,2.39,2.44,2.39,2.40,2.42,2.39,2.41,2.40,2.43,2.39,2.38,2.39,2.39,2.40,2.41,2.42
子組均值,2.400,2.386,2.396,2.398,2.396,2.394,2.392,2.398,2.404,2.404,2.400,2.392,2.396,2.408,2.386,2.398,2.404,2.402,2.392,2.390,2.398,2.390,2.404,2.394,2.398
子組極差,0.040,0.030,0.020,0.050,0.030,0.030,0.030,0.060,0.050,0.030,0.060,0.030,0.050,0.040,0.010,0.040,0.030,0.050,0.030,0.020,0.030,0.020,0.050,0.030,0.040
,,,,,,,,,,,,,,,,,,,,,,,,,,
均值,X=,2.397,,,,,,,,樣本,A2,d2,D3,D4,,控制上限:UCL=X+A2×R=,,,,,2.41757,,,,
,,,,,,,,,,2,1.880,1.128,0.000,3.267,,,,,,,,,,,
極差,R=,0.036,,,σ=R/d2=,,0.02,,,3,1.023,1.693,0.000,2.574,,控制下限:LCL=X-A2×R=,,,,,2.37603,,,,
,,,,,,,,,,4,0.729,2.059,0.000,2.282,,,,,,,,,,,
Cpu=(USL-均值)/(3σ)=,,,,,1.58,,,,,5,0.577,2.326,0.000,2.114,,副圖:UCL=D4*R=,,,,0.07610,,,,,
,,,,,,,,,,6,0.483,2.534,0.000,2.004,,,,,,,,,,,
Cpl=(均值-LSL)/(3σ)=,,,,,1.44,,,,,7,0.419,2.704,0.076,1.924,,副圖:LCL=D3*R=,,,,0,,,,,
,,,,,,,,,,8,0.373,2.847,0.136,1.864,,,,,,,,,,,
"過程能力指數(shù):CPK=min(Cpu,Cpl)=",,,,,,,1.44,,,9,0.337,2.970,0.184,1.816,,,,,,,,,,,
,,,,,,,,,,10,0.308,3.078,0.223,1.777,,,,,,,,,,,
,,,,,,,,,,,,,,,,,,,,,,,,,,
評(píng)估結(jié)論,因CPK>1.33,表明該工序正確、穩(wěn)定、可靠。,,,,,,,,,,,,,,,,,,,,,,,,
,,,,,,,,,,,,,,,,,,,,,,,,,,
子組均值,2.400,2.386,2.396,2.398,2.396,2.394,2.392,2.398,2.404,2.404,2.400,2.392,2.396,2.408,2.386,2.398,2.404,2.402,2.392,2.390,2.398,2.390,2.404,2.394,2.398
子組極差,0.040,0.030,0.020,0.050,0.030,0.030,0.030,0.060,0.050,0.030,0.060,0.030,0.050,0.040,0.010,0.040,0.030,0.050,0.030,0.020,0.030,0.020,0.050,0.030,0.040
均值,2.397,2.397,2.397,2.397,2.397,2.397,2.397,2.397,2.397,2.397,2.397,2.397,2.397,2.397,2.397,2.397,2.397,2.397,2.397,2.397,2.397,2.397,2.397,2.397,2.397
極差,0.036,0.036,0.036,0.036,0.036,0.036,0.036,0.036,0.036,0.036,0.036,0.036,0.036,0.036,0.036,0.036,0.036,0.036,0.036,0.036,0.036,0.036,0.036,0.036,0.036
UCL,2.418,2.418,2.418,2.418,2.418,2.418,2.418,2.418,2.418,2.418,2.418,2.418,2.418,2.418,2.418,2.418,2.418,2.418,2.418,2.418,2.418,2.418,2.418,2.418,2.418
LCL,2.376,2.376,2.376,2.376,2.376,2.376,2.376,2.376,2.376,2.376,2.376,2.376,2.376,2.376,2.376,2.376,2.376,2.376,2.376,2.376,2.376,2.376,2.376,2.376,2.376
副UCL,0.076,0.076,0.076,0.076,0.076,0.076,0.076,0.076,0.076,0.076,0.076,0.076,0.076,0.076,0.076,0.076,0.076,0.076,0.076,0.076,0.076,0.076,0.076,0.076,0.076
副LCL,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.000
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