1、1,Presenter:HT WU,降低GP1022L15高內(nèi)阻、開路報廢率,2,目錄,定義 測量 分析 提高 控制,3,定 義,4,Project Charter,5,Back Group,GP1022L15的報廢類型主要有低OCV、高delta OCV、高RI/開路。因有GB項目改善1865L220低OCV 問題，可以應(yīng)用到該型號的低OCV 問題；另有BB項目改善1865L220高delta OCV問題，也可以應(yīng)用到此型號的delta OCV問題。因此，選擇GP1022L15高內(nèi)阻/開路作為改善項目,6,Back Group,鐳射工序假焊引起的GP1022L15高RI/開路的比率占高RI/

2、開路比率的90%以上,7,Project Plan,8,測 量,9,流程圖,10,鐳射工序SIPOC,KPOVs（Ys)=鐳射假焊電池,11,鐳射工序輸入輸出分析,12,高RI/開路C&E矩陣圖,13,高RI/開路C&E矩陣圖,14,高RI/開路FMEA,15,Measure Plan:DOE,Remark : np 5p = 1.4%n = 358pcs,16,R&R Study:RI檢查(Spec.:130mohm190mohm),Source VarComp (of VarComp) Total Gage R&R 0.5516 0.89 Repeatability 0.1870 0.30

3、 Reproducibility 0.3646 0.59 Operator 0.0357 0.06 Operator*Part 0.3289 0.53 Part-To-Part 61.5917 99.11 Total Variation 62.1433 100.00 Study?Var %Study?Var %Tolerance Source StdDev (SD) (6?*?SD) (%SV) (SV/Toler) Total Gage R&R 0.74270 4.4562 9.42 7.43 Repeatability 0.43246 2.5947 5.49 4.32 Reproducib

4、ility 0.60381 3.6229 7.66 6.04 Operator 0.18885 1.1331 2.40 1.89 Operator*Part 0.57352 3.4411 7.28 5.74 Part-To-Part 7.84804 47.0882 99.56 78.48 Total Variation 7.88310 47.2986 100.00 78.83 Number of Distinct Categories = 14,結(jié)論： %Study Var 在10%以下，%Tolerence 在10%以下，且信賴區(qū)間不重疊數(shù)大于5，表明 Gage R&R 合格,17,分 析,

5、18,測量結(jié)果,19,測量結(jié)果分析,結(jié)論：通過DOE分析，頻率、脈寬和脈高都不是影響高RI的關(guān)鍵輸入因子,Factorial Fit: RESULT versus 頻率 , 脈寬 , 脈高 Term Effect Coef SE Coef T P Constant 0.4738 0.2213 2.14 0.278 頻率 -0.0625 -0.0312 0.2213 -0.14 0.911 脈寬 -0.0625 -0.0313 0.2213 -0.14 0.911 脈高 -0.3175 -0.1588 0.2213 -0.72 0.604 頻率 *脈寬 -0.0625 -0.0312 0.221

6、3 -0.14 0.911 脈寬 *脈高 0.1825 0.0913 0.2213 0.41 0.751 頻率 *脈寬 *脈高 -0.0675 -0.0337 0.2213 -0.15 0.904 S = 0.625790 R-Sq = 43.44% R-Sq(adj) = 0.00% Analysis of Variance for RESULT (coded units) Source DF Seq SS Adj SS Adj MS F P Main Effects 3 0.217237 0.217238 0.072413 0.18 0.897 2-Way Interactions 2 0

7、.074425 0.074425 0.037213 0.10 0.917 3-Way Interactions 1 0.009112 0.009112 0.009112 0.02 0.904 Residual Error 1 0.391613 0.391613 0.391613 Total 7 0.692388,20,上下頂分析,上下頂錯位,從投影圖片看到，上下頂有錯位,21,上下頂分析,在壓頂與封口工序，頂組合錯開，密封圈上的瀝青滲入上下頂之間，引起高RI或RI不穩(wěn)定,22,舊下頂圖紙,23,新下頂圖紙,下 頂 包 上 頂 設(shè) 計,24,改 進,25,新舊頂組合實驗比較,Test and C

8、I for Two Proportions Sample X N Sample p 1 12 1014 0.011834 2 1019 0.001963 Difference = p (1) - p (2) Estimate for difference: 0.00987161 95% CI for difference: (0.00268222, 0.0170610) Test for difference = 0 (vs not = 0): Z = 2.69 P-Value = 0.007 Fishers exact test: P-Value = 0.007,Chi-Square Tes

9、t: 壞品數(shù) , 好品數(shù) 壞品數(shù) 好品數(shù) Total 1 12 1014 1026 7.02 1018.98 3.538 0.024 2 2 1019 1021 6.98 1014.02 3.556 0.024 Total 14 2033 2047 Chi-Sq = 7.143, DF = 1, P-Value = 0.008,26,新舊頂組合實驗比較(驗證),Test and CI for Two Proportions Sample X N Sample p 1 15 1024 0.014648 2 2 1049 0.001907 Difference = p (1) - p (2) Es

10、timate for difference: 0.0127419 95% CI for difference: (0.00492418, 0.0205595) Test for difference = 0 (vs not = 0): Z = 3.19 P-Value = 0.001 Fishers exact test: P-Value = 0.001,Chi-Square Test: 壞品數(shù) , 好品數(shù) 壞品數(shù) 好品數(shù) Total 1 15 1009 1024 8.40 1015.60 5.191 0.043 2 2 1047 1049 8.60 1040.40 5.067 0.042 T

11、otal 17 2056 2073 Chi-Sq = 10.344, DF = 1, P-Value = 0.001,27,新舊頂組合實驗比較(驗證),Test and CI for Two Proportions Sample X N Sample p 1 18 1032 0.017442 2 3 1055 0.002844 Difference = p (1) - p (2) Estimate for difference: 0.0145983 95% CI for difference: (0.00598914, 0.0232074) Test for difference = 0 (vs not = 0): Z = 3.32 P-Value = 0.001 Fishers exact test: P-Value = 0.001,Chi-Square Test: 壞品數(shù) , 好品數(shù) 壞品數(shù) 好品數(shù) Total 1 18 1032 1050 10.46 1039.54 5.435 0.055 2 3 1055 1058 10.54 1047.46 5.394 0.054 Total 21 2087 2108 Chi-Sq = 10.938, DF = 1, P-Value = 0.001,28,改善結(jié)果,由I階段的實驗分析表明，