微電機6西格瑪改善ppt課件

1、 BPE質量改善個案之八11511馬達流高改善個案一.問 題 描 述Define 定義11511馬達不順長期困擾著流水線三.改 善 目 標改善一試流高PPM USLPPM USLPPM USLPPM LSLPpkPPLPPUPpCpmCpkCPLCPUCpStDev (Overall)StDev (Within)Sample NMeanLSLTargetUSL408901.05408901.05 *408901.05408901.05 *600000.00600000.00 *0.08 *0.08 * *0.08 *0.08 *0.03212190.0321219300.2756 * *0.2

2、830Exp. Overall PerformanceExp. Within PerformanceObserved PerformanceOverall CapabilityPotential (Within) CapabilityProcess DataWithinOverall儀器改善后一試PPM408901！儀器改善后一試CPK0.08！馬達一試改善后CPK0.08,PPM408901,工序制程明顯缺乏，需繼續(xù)改善來料和機模制程。ManMachineMaterialsMethods電刷片彈力大花枝馬馬達達不不順順磁力不對中，偏心啤杯士模不平行啤杯士模不平行封口高低封口高低杯士中孔小彎枝

3、撞花杯士磁底內徑小馬達內有雜物鐵枝有膠、雜物 磁碎撞花杯士芯片有膠零件落地機模臟有雜物機模定位松動溫度高濕度大有塵鐵枝直徑大，花枝鐵枝生銹，彎枝杯士中孔小，油孔小杯士中孔小，油孔小杯士孔有雜物膠蓋豬咀不同心膠蓋豬咀不同心膠蓋止口位披峰不平行膠蓋止口位披峰不平行鐵殼豬咀不同心鐵殼豬咀不同心鐵殼止口位不平行鐵殼止口位不平行中孔Analyze phase 分析一.魚骨圖分析經(jīng)過.魚骨圖分析，首先未來料中紅色部分重點部分檢測。分析改善。2.1膠蓋止口寬度膠蓋止口寬度STD19.18-19.23MM 19.1719.1819.1919.2019.2119.2219.2319.24LSLUSL11511-

4、30100USLTargetLSLMeanSample NStDev (Within)StDev (Overall)CpCPUCPLCpkCpmPpPPUPPLPpkPPM USLPPM TotalPPM USLPPM TotalPPM USLPPM Total19.2300 *19.180019.2037300.01107570.01107570.750.790.710.71 *0.750.790.710.71 0.00 0.00 0.0016306.75 8713.4125020.1516306.75 8713.4125020.15Process DataPotential (Within

5、) CapabilityOverall CapabilityObserved PerformanceExp. Within PerformanceExp. Overall PerformanceWithinOverallAnalyze phase 分析膠蓋止口膠蓋止口寬度寬度 CPK0.71二.來料膠蓋止口寬度制程止分析Analyze phase 分析 N Mean StDev SE Mean19.18-19.1 10 0.2788 0.0206 0.006519.22-19.2 10 0.2788 0.0206 0.0065Difference = mu (19.18-19.1) - mu

6、(19.22-19.2)Estimate for difference: 0.0000095% CI for difference: (-0.01938, 0.01938)T-Test of difference = 0 (vs not =): T-Value = 0.00 P-Value = 1.000 DF = 1819.22-19.23MM19.18-19.19MM0.310.300.290.280.270.260.250.24膠蓋止口寬度一試電流數(shù)據(jù)Boxplots of 一試電流 by 膠蓋止口(means are indicated by solid circles)流水線物料、機

7、模不變，膠蓋止口寬度兩組實驗 (19.18-19.19MM)(19.22-19.23MM)看F/L流變化二.來料膠蓋止口寬度制程止分析2.2膠蓋止口寬度假設實驗膠蓋止口寬度假設實驗兩組實驗結果對比：兩組實驗結果對比：p值大于值大于0.05，接受，接受歸零假設歸零假設(影響不顯影響不顯著著)3.1膠蓋豬咀膠蓋豬咀中孔同心度中孔同心度STD 0.05MM MAXAnalyze phase 分析0.000.020.040.060.080.100.120.14USLUSL膠蓋豬咀中孔同心度USLTargetLSLMeanSample NStDev (Within)StDev (Overall)CpCP

8、UCPLCpkCpmPpPPUPPLPpkPPM USLPPM TotalPPM USLPPM TotalPPM USLPPM Total0.0500 * *0.0632300.02078750.0226604 *-0.21 *-0.21 * *-0.19 *-0.19 *700000.00700000.00 *737285.02737285.02 *719889.88719889.88Process DataPotential (Within) CapabilityOverall CapabilityObserved PerformanceExp. Within PerformanceExp

9、. Overall PerformanceWithinOverall膠蓋豬咀中膠蓋豬咀中孔同心度孔同心度CPK-0.21三.來料膠蓋豬咀中孔同心度制程分析三.來料膠蓋豬咀中孔同心度制程分析Analyze phase 分析0.030-0.0450.100-0.1200.230.240.250.260.270.280.290.300.31同心度一試電流數(shù)據(jù)Boxplots of 一試電流 by 同心度(means are indicated by solid circles)兩組實驗結果對兩組實驗結果對比：比：P值小于值小于0.05,接受對立假設接受對立假設(影影響顯著響顯著)接著須做接著須做分頭

10、號實驗分頭號實驗流水線物料、機模不變，膠蓋豬咀中孔同心度流水線物料、機模不變，膠蓋豬咀中孔同心度STD0.05MM MAX (0.05-0.06MM)(0.10-0.11MM)看看F/L流變化流變化Difference = mu (0.030-0.04) - mu (0.100-0.12)Estimate for difference: -0.0224095% CI for difference: (-0.03790, -0.00690)T-Test of difference = 0 (vs not =): T-Value = -3.05 P-Value = 0.007 DF = 173.2

11、.1膠蓋豬咀中孔同心度假設實驗1#2#3#4#5#6#7#8#0.050.100.15膠窷-20100膠蓋豬咀中孔同心度Boxplots of 膠蓋豬咀 by 膠窱(means are indicated by solid circles)Analyze phase 分析One-way ANOVA:Analysis of Variance for 膠蓋豬咀膠蓋豬咀Source DF SS MS F P膠蓋膠蓋1151 7 0.099960 0.014280 68.72 0.000Error 72 0.014962 0.000208Total 79 0.114922 Individual 95%

12、 CIs For Mean Based on Pooled StDevLevel N Mean StDev -+-+-+-1# 10 0.06550 0.01159 (-*-) 2# 10 0.05180 0.01060 (-*-) 3# 10 0.13430 0.02171 (-*-) 4# 10 0.05900 0.01846 (-*-) 5# 10 0.14880 0.01718 (-*-) 6# 10 0.06220 0.01065 (-*-) 7# 10 0.05660 0.01044 (-*-) 8# 10 0.07500 0.00929 (-*-) -+-+-+-Pooled S

13、tDev = 0.01442 0.070 0.105 0.1403#，5#頭的膠蓋的同心度明顯比其它的大1#-8#膠蓋的同心度分布實驗三.來料膠蓋豬咀中孔同心度制程分析3.2.2膠蓋豬咀中孔同心度1#-8#頭假設實驗8#7#6#5#4#3#2#1#0.350.300.25膠竔6-20100一試電流Boxplots of 一試電流 by 膠窱(means are indicated by solid circles)Analyze phase 分析One-way ANOVA:Analysis of Variance for 一試電流一試電流Source DF SS MS F P膠蓋膠蓋1151

14、7 0.037528 0.005361 29.71 0.000Error 72 0.012991 0.000180Total 79 0.050519 Individual 95% CIs For Mean Based on Pooled StDevLevel N Mean StDev -+-+-+-+-1# 10 0.25790 0.01475 (-*-) 2# 10 0.26430 0.00810 (-*-) 3# 10 0.29890 0.01166 (-*-) 4# 10 0.25800 0.04 (-*-) 5# 10 0.32190 0.01871 (-*-) 6# 10 0.270

15、40 0.01562 (-*-) 7# 10 0.26290 0.01107 (-*-) 8# 10 0.26410 0.01092 (-*-) -+-+-+-+-Pooled StDev = 0.01343 0.250 0.275 0.300 0.3253#，5#頭的膠蓋裝配的馬達一試電流明顯比其它的高1#-8#膠蓋的同心度分布一試電流實驗三.來料膠蓋豬咀中孔同心度制程分析3.2.3膠蓋豬咀中孔同心度1#-8#頭一試電流假設實驗1.9971.9981.9992.0002.0012.0022.0032.0042.005LSLUSLCPSBBD214/5/55USLTargetLSLMeanSa

16、mple NStDev (Within)StDev (Overall)CpCPUCPLCpkCpmPpPPUPPLPpkPPM USLPPM TotalPPM USLPPM TotalPPM USLPPM Total2.00500 *2.000002.00127300.00129590.00129590.630.940.320.32 *0.630.940.320.32 0.00 0.00 0.00164169.31 1982.38166151.69164169.31 1982.38166151.69Process DataPotential (Within) CapabilityOverall

17、 CapabilityObserved PerformanceExp. Within PerformanceExp. Overall PerformanceWithinOverallSTD：2.000-2.005mm4.1杯士中孔杯士中孔Analyze phase 分析杯士中孔杯士中孔CPK0.32四.來料杯士中孔制程分析Analyze phase 分析四.來料杯士中孔制程分析2.004-2.005MM2.000-2.001MM0.300.290.280.270.260.250.24杯士中孔一試電流數(shù)據(jù)Boxplots of 一試電流 by 杯士中孔(means are indicated b

18、y solid circles)流水線物料、機模不變，鐵殼杯士中孔STD 2.000-2.005MM (2.000-2.001MM)(2019-2.005MM)看F/L流變化Difference = mu (2.000-2.00) - mu (2.004-2.00)Estimate for difference: -0.0001095% CI for difference: (-0.01487, 0.01467)T-Test of difference = 0 (vs not =): T-Value = -0.01 P-Value = 0.989 DF = 17Boxplots of 一試電流

19、 by 杯士中孔兩組實驗結果對比：兩組實驗結果對比：p值大于值大于0.05，接受，接受歸零假設歸零假設(影響不顯影響不顯著著)4.2來料杯士中孔假設實驗0.000.010.020.030.040.050.06LSLUSL11511-30100USLTargetLSLMeanSample NStDev (Within)StDev (Overall)CpCPUCPLCpkCpmPpPPUPPLPpkPPM USLPPM TotalPPM USLPPM TotalPPM USLPPM Total0.0500000 *0.00000000.0393333300.00697480.00697481.19

20、0.511.880.51 *1.190.511.880.51 0.00 0.00 0.00 0.0163092.5163092.51 0.0163092.5163092.51Process DataPotential (Within) CapabilityOverall CapabilityObserved PerformanceExp. Within PerformanceExp. Overall PerformanceWithinOverall5.1 鐵殼豬咀中孔同心度鐵殼豬咀中孔同心度STD： 0.05MM MAXAnalyze phase 分析鐵殼豬咀中鐵殼豬咀中孔孔 同心度同心度CP

21、K0.51五.來料鐵殼豬咀中孔制程分析 Analyze phase 分析五.來料鐵殼豬咀中孔制程分析5。2 鐵殼豬咀中孔同心度鐵殼豬咀中孔同心度STD ： 0.05MM MAXDifference = mu (0.01-0.02M) - mu (0.04-0.05M)Estimate for difference: -0.0031095% CI for difference: (-0.02280, 0.01660)T-Test of difference = 0 (vs not =): T-Value = -0.33 P-Value = 0.744 DF = 170.04-0.05MM0.01

22、-0.02MM0.310.300.290.280.270.260.250.240.23鐵殼豬咀中孔一試電流數(shù)據(jù)Boxplots of 一試電流 by 鐵殼豬咀(means are indicated by solid circles)兩組實驗結果對兩組實驗結果對比：比：P值大于值大于0.05接受歸零假設接受歸零假設(影影響不顯著響不顯著)流水線物料、機模不變，鐵殼豬咀內徑同心度兩組實驗 (0。01-0。02MM)(0。06-0。07MM)看F/L流變化7.507.527.547.567.587.60LSLUSL11511-30100USLTargetLSLMeanSample NStDev (

23、Within)StDev (Overall)CpCPUCPLCpkCpmPpPPUPPLPpkPPM USLPPM TotalPPM USLPPM TotalPPM USLPPM Total7.60000 *7.500007.55633300.00620270.00620272.692.353.032.35 *2.692.353.032.350.000.000.000.000.000.000.000.000.00Process DataPotential (Within) CapabilityOverall CapabilityObserved PerformanceExp. Within P

24、erformanceExp. Overall PerformanceWithinOverall 6.1鐵殼崩口位寬度鐵殼崩口位寬度 7.5-7.6MMAnalyze phase 分析鐵殼止口位寬度 CPK2.35六.來料鐵殼崩口位寬度制程分析STD Analyze phase 分析六.來料鐵殼止口制程分析7.56-7.57MM7.55-7.56MM0.310.300.290.280.270.260.250.240.23鐵殼止口位寬度一試電流數(shù)據(jù)Boxplots of 一試電流 by 鐵殼止口(means are indicated by solid circles)Difference = m

25、u (7.55-7.56M) - mu (7.56-7.57M)Estimate for difference: -0.000495% CI for difference: (-0.0272, 0.0264)T-Test of difference = 0 (vs not =): T-Value = -0.03 P-Value = 0.975 DF = 17兩組實驗結果對兩組實驗結果對比：比：P值大于值大于0.05接受歸零假設接受歸零假設(影影響不顯著響不顯著)流水線物料、機模不變，鐵殼止口位寬度兩組實驗 (7.55-7.56MM)(7.56-7.57MM)看F/L流變化6.2來料鐵殼止口假設

26、實驗1.61.71.81.92.0LSLUSL11511-30100USLTargetLSLMeanSample NStDev (Within)StDev (Overall)CpCPUCPLCpkCpmPpPPUPPLPpkPPM USLPPM TotalPPM USLPPM TotalPPM USLPPM Total2.000 *1.6001.854300.00568120.005681211.73 8.5714.90 8.57 *11.73 8.5714.90 8.570.000.000.000.000.000.000.000.000.00Process DataPotential (Wi

27、thin) CapabilityOverall CapabilityObserved PerformanceExp. Within PerformanceExp. Overall PerformanceWithinOverall 7.1鐵殼崩口位深度鐵殼崩口位深度STDAnalyze phase 分析鐵殼止口位深度CPK8.57七.來料鐵殼崩口位深度制程分析1.60-2.00MM Analyze phase 分析1.85-1.86MM1.84-1.85MM0.310.300.290.280.270.260.250.24鐵殼止口位深度一試電流數(shù)據(jù)Boxplots of 一試電流 by 鐵殼止口(

28、means are indicated by solid circles)Difference = mu (1.84-1.85M) - mu (1.85-1.86M)Estimate for difference: 0.0032095% CI for difference: (-0.01558, 0.02198)T-Test of difference = 0 (vs not =): T-Value = 0.36 P-Value = 0.724 DF = 17流水線物料、機模不變，鐵殼崩口位深度兩組實驗 (1.84-1.85MM)(1.85-1.86MM)看F/L流變化七.來料鐵殼崩口位深度制

29、程分析7.2鐵殼崩口位深度假設實驗鐵殼崩口位深度假設實驗兩組實驗結果對兩組實驗結果對比：比：P值大于值大于0.05接受歸零假設接受歸零假設(影影響不顯著響不顯著)Analyze phase 分析STD 0.05 mm MAX0.000.020.040.060.080.10USLUSL鐵殼止口平行度USLTargetLSLMeanSample NStDev (Within)StDev (Overall)CpCPUCPLCpkCpmPpPPUPPLPpkPPM USLPPM TotalPPM USLPPM TotalPPM USLPPM Total0.0500000 * *0.0426667300

30、.01222790.0152012 *0.20 *0.20 * *0.16 *0.16 *166666.67166666.67 *274346.43274346.43 *314754.16314754.16Process DataPotential (Within) CapabilityOverall CapabilityObserved PerformanceExp. Within PerformanceExp. Overall PerformanceWithinOverall鐵殼止口平鐵殼止口平行度行度 CPK0.20八八.來料鐵殼止口平行度制程分析來料鐵殼止口平行度制程分析8.1鐵殼止口

31、平行度鐵殼止口平行度Analyze phase 分析0.03-0.04MM0.01-0.02MM0.310.300.290.280.270.260.250.240.23鐵殼止口平行度一試電流數(shù)據(jù)Boxplots of 一試電流 by 鐵殼止口(means are indicated by solid circles)Difference = mu (0.01-0.02M) - mu (0.03-0.04M)Estimate for difference: -0.0170095% CI for difference: (-0.03390, -0.00010)T-Test of differenc

32、e = 0 (vs not =): T-Value = -2.12 P-Value = 0.049 DF = 17流水線物料、機模不變，鐵殼止口平行度兩組實驗流水線物料、機模不變，鐵殼止口平行度兩組實驗(0。01MM)(0。03-0。04MM)看看F/L流變化流變化八八.來料鐵殼止口平行度制程分析來料鐵殼止口平行度制程分析8.2鐵殼止口平行度假設實驗鐵殼止口平行度假設實驗兩組實驗結果對兩組實驗結果對比：比：P值小于值小于0.05接受對立假設接受對立假設(影影響顯著響顯著)九九. .機模制程分析機模制程分析 9.1 9.1機模制程流程圖機模制程流程圖1.接觸電阻小2.來料電阻小3.用錯料打米曲角

33、度啤碳精膠蓋裝配1.接觸電阻小1.彈力大膠蓋啤杯士1.杯士中孔小2.杯士油孔少3.同心度差4.平行度差1.電刷片掛防油圈2.電刷片變形啤磁1.內徑小磁底啤杯士1.杯士中孔小2.杯士油孔少3.同心度差4.平行度差充磁1.充磁方式不適宜2.磁力中線不對3.磁吸力大電樞入磁底1.碰傷杯士2.彎枝3.花枝馬達裝配1.碰傷杯士2.彎枝、花枝3.電刷片變形馬達封口1.腳仔深淺2.封口推力大一試1.機模再現(xiàn)性2.員工手勢Analyze phase 分析九九. .機模制程分析機模制程分析Analyze phase 分析9.2.機模制程因果矩陣Rating of Importance to Customer10

34、123456789101112131415一試流高TotalProcess StepProcess Input打米插頭與電刷片接觸電阻110曲角度電刷片彈力大220啤碳精碳精接觸電阻小110膠蓋裝配電刷片掛防油圈330膠蓋啤杯士膠蓋杯士中孔小550膠蓋杯士油孔少330膠蓋杯士同心度990膠蓋杯士平行度差990啤磁磁底內徑小660磁底啤杯士磁底杯士中孔小550磁底杯士油孔少330磁底杯士同心度990磁底杯士平行度差990充磁磁底磁吸力大550電樞入磁底電樞入磁底碰傷杯士440電樞彎枝660電樞花枝550Cause and Effect Matrix九九. .機模制程分析機模制程分析Analyze

35、 phase 分析9.3機模制程分析柏拉圖O ther s電刷片彈力大馬達裝配時電刷片變形膠蓋杯士油孔少電刷片掛防油圈磁底杯士油孔少一試機模不穩(wěn)定馬達裝配碰傷杯士電樞入磁底碰傷杯士一試員工手勢入磁底電樞花枝馬達封口 腳仔深淺馬達裝配電樞花枝膠蓋杯士中孔小磁底杯士中孔小磁底磁吸力大入磁底電樞彎枝馬達封口推力大馬達裝配電樞彎枝磁底內徑小膠蓋杯士同心度膠蓋杯士平行度差磁底杯士同心度磁底杯士平行度差202030303030404040505050505050506060606090909090222222333444444455557777100 98 97 94 92 89 87 84 80 77

36、73 69 65 61 57 53 49 44 39 34 29 22 15 710005000100806040200DefectCountPercentCum %PercentCountPareto Chart for KPIVs從以上結果，我們總結出以下5項相對關鍵的因子為，-磁底杯士平行度-磁底杯士同心度-膠蓋杯士平行度-膠蓋杯士同心度Analyze phase 分析BA0.300.250.20膠蓋啤杯士模一試電流數(shù)據(jù)Boxplots of 一試電流 by 膠蓋啤杯(means are indicated by solid circles)Difference = mu (A) - m

37、u (B)Estimate for difference: 0.042795% CI for difference: (0.0162, 0.0692)T-Test of difference = 0 (vs not =): T-Value = 3.43 P-Value = 0.004 DF = 15Boxplots of 一試電流 by 膠蓋啤杯流水線物料、機模不變，換膠蓋啤杯士?？碏/L流變化十十. .膠蓋啤杯士模制程分析膠蓋啤杯士模制程分析兩組實驗結果對兩組實驗結果對比：比：P值小于值小于0.05接受對立假設接受對立假設(影影響顯著響顯著)Analyze phase 分析BA0.300.2

38、50.20鐵殼啤杯士模一試電流數(shù)據(jù)Boxplots of 一試電流 by 鐵殼啤杯(means are indicated by solid circles)Difference = mu (A) - mu (B)Estimate for difference: 0.057995% CI for difference: (0.0346, 0.0812)T-Test of difference = 0 (vs not =): T-Value = 5.25 P-Value = 0.000 DF = 17Boxplots of 一試電流 by 鐵殼啤杯流水線物料、機模不變，換磁底啤杯士?？碏/L流變

39、化十一十一. .磁底啤杯士模制程分析磁底啤杯士模制程分析兩組機模結果對兩組機模結果對比：比：P值小于值小于0.05接受對立假設接受對立假設(影影響顯著響顯著)Analyze phase 分析BA0.320.310.300.290.280.270.260.250.240.23封口模一試電流數(shù)據(jù)Boxplots of 一試電流 by 封口模(means are indicated by solid circles)Two-sample T for 一試電流數(shù)據(jù)封口模 N Mean StDev SE MeanA 10 0.2917 0.0207 0.0065B 10 0.2522 0.0 0.004

40、3Difference = mu (A) - mu (B)Estimate for difference: 0.0395095% lower bound for difference: 0.02577T-Test of difference = 0 (vs ): T-Value = 5.04 P-Value = 0.000 DF = 15Boxplots of 一試電流 by 封口模流水線物料、機模不變，換封口?？碏/L流變化十二十二. .封口模制程分析封口模制程分析兩組機模結果對兩組機模結果對比：比：P值小于值小于0.05接受對立假設接受對立假設(影影響顯著響顯著) Improve phas

41、e 改善一.來料膠蓋豬咀中孔同心度制程改善行動：1.1.會同CB部消費AU袁有君QE李詩波TR萬方對11516-20190膠蓋立刻停頓消費，一同改善此模。1.2.因要保證供應消費，CB部暫時決議封鎖3#5#頭。1.3.由C&S QE李詩波擔任新模此問題的跟進。二.來料鐵殼止口位平行度制程改善行動：2.1機模下模面磨損，配合松動，上模與下模平行度差。配合間隙大，磨平機模上下模鐵殼面定位面減小配合間隙。 Improve phase 改善 三.測量儀器改善行動.W3S改善行動NO問題負責人1膠蓋啤杯士模磨損造成流高 廖家凱2磁底啤杯士模磨損造成流高廖家凱3封口模磨損造成流高張明亮成因改善行動

42、完成日期1.下模定位磨損與膠蓋配合松動,2.上模豬咀定位孔平面度1.磨平上下模配合平面2.落單做下模配件20050405磁底啤杯士上下模不同心，2.啤杯士下模模芯磨損間隙太1.磨平上下模配合平面。2.更換模架線性軸承20050406封口刀定位高低不平。導柱間隙大1.磨平上模配合平面，2.更換模架導柱，20050401 Improve phase 改善0.010.020.030.040.05USLUSLProcess Capability Analysis for 鐵殼止口平行USLTargetLSLMeanSample NStDev (Within)StDev (Overall)CpCPUCP

43、LCpkCpmPpPPUPPLPpkPPM USLPPM TotalPPM USLPPM TotalPPM USLPPM Total0.0500000 * *0.0302667300.00489480.0053500 *1.34 *1.34 * *1.23 *1.23 * 0.00 0.00 * 27.71 27.71 *112.80112.80Process DataPotential (Within) CapabilityOverall CapabilityObserved PerformanceExp. Within PerformanceExp. Overall Performance

44、WithinOverall0.000.020.040.060.080.10USLUSL鐵殼止口平行度USLTargetLSLMeanSample NStDev (Within)StDev (Overall)CpCPUCPLCpkCpmPpPPUPPLPpkPPM USLPPM TotalPPM USLPPM TotalPPM USLPPM Total0.0500000 * *0.0426667300.01222790.0152012 *0.20 *0.20 * *0.16 *0.16 *166666.67166666.67 *274346.43274346.43 *314754.1631475

45、4.16Process DataPotential (Within) CapabilityOverall CapabilityObserved PerformanceExp. Within PerformanceExp. Overall PerformanceWithinOverall四四.來料鐵殼止口平行度制程改善結論來料鐵殼止口平行度制程改善結論鐵殼止口平行度鐵殼止口平行度STD0.05mmMAX改善前改善前CPK：0.20改善后：改善后：CPK：1.34 Improve phase 改善0.000.020.040.060.080.100.120.14USLUSL膠蓋豬咀中孔同心度USLT

46、argetLSLMeanSample NStDev (Within)StDev (Overall)CpCPUCPLCpkCpmPpPPUPPLPpkPPM USLPPM TotalPPM USLPPM TotalPPM USLPPM Total0.0500 * *0.0632300.02078750.0226604 *-0.21 *-0.21 * *-0.19 *-0.19 *700000.00700000.00 *737285.02737285.02 *719889.88719889.88Process DataPotential (Within) CapabilityOverall Cap

47、abilityObserved PerformanceExp. Within PerformanceExp. Overall PerformanceWithinOverall0.030.040.050.060.070.080.090.10USLUSL來料膠蓋豬咀中孔同心度制程改善USLTargetLSLMeanSample NStDev (Within)StDev (Overall)CpCPUCPLCpkCpmPpPPUPPLPpkPPM USLPPM TotalPPM USLPPM TotalPPM USLPPM Total0.0900000 * *0.0652333600.01356830.0109953 *0.61 *0.61 * *0.75 *0.75 * 0.00 0.00 *33975.7733975.77 *12146.1712146.17Process DataPotential (Within) CapabilityOverall CapabilityObserved PerformanceExp. Within Performance