spc管制圖-資料下載頁(yè)
2025-02-19 23:05本頁(yè)面
【正文】 些數(shù)據(jù)繪製 XR管制圖。 組號(hào) 1 2 3 4 5 6 7 8 9 10 11 12 13X146 49 48 54 53 47 49 47 47 48 48 48 52X251 51 52 50 49 54 52 45 46 52 51 51 52X354 52 52 50 49 51 52 53 53 50 50 53 51X452 50 52 46 53 51 51 50 50 48 50 50 48X548 50 54 50 49 51 50 51 51 51 46 50 53X 50 49 R 8 3 4 8 4 7 3 8 7 4 5 5 53/15/2023 41 World Class Company 組號(hào) 14 15 16 17 18 19 20 21 22 23 24 25X1 48 51 53 49 47 52 58 51 46 50 50 50X2 50 51 49 48 49 50 48 52 53 50 54 51X3 47 51 53 50 49 52 52 50 51 48 50 51X4 49 52 46 50 50 47 48 49 51 50 49 51X5 51 51 48 52 52 49 52 54 50 50 51 46X 49 5 1 . 2 4 9 . 8 4 9 . 8 4 9 . 4 50 4 9 . 6 5 1 . 2 5 0 . 2 4 9 . 6 5 0 . 8 4 9 . 8R 4 1 7 4 5 5 4 5 7 2 7 5〔解〕 1. + + ……….+ + X = = 25 8 + 3 + ………………………+7 + 5 R = = 25 2. X 管制圖 : CL = X = UCL = X + A2 R = + = LCL = X A2 R = = 3/15/2023 42 World Class Company 3. R管制圖 : CL = R = UCL = D4R = = UCL = D3R (因 n 6,故不考慮 ) UCL= CL= LCL= UCL= CL= 0 X R 0 5 10 15 20 25 3/15/2023 43 World Class Company (例 )某打火機(jī)製造工廠(chǎng) , 為要徹底管制品質(zhì) ,特別針對(duì)電鍍不良加 以抽檢 ,每批抽檢 100個(gè)樣品 , 其不良情形如表 ,請(qǐng)繪管制圖。 批號(hào) 1 2 3 4 5 6 7 8 9 10 11 12 13 14樣本數(shù) 100 100 100 100 100 100 100 100 100 100 100 100 100 100不良品數(shù) 4 2 0 5 3 2 4 3 2 6 1 4 1 0不良率 4% 2% 0% 5% 3% 2% 4% 3% 2% 6% 1% 4% 1% 0%批號(hào) 15 16 17 18 19 20 21 22 23 24 25 合計(jì)樣本數(shù) 100 100 100 100 100 100 100 100 100 100 100 2500不良品數(shù) 2 3 1 6 1 3 3 2 0 7 3 68不良率 2% 3% 1% 6% 1% 3% 3% 2% 0% 7% 3%平均100(解 ) 1. P = 68 / 200 = = % 2. CL = P = % P ( 1 P ) (1 ) UCL = P +3 = + 3 n 100 = ≒ % 3/15/2023 44 World Class Company P ( 1 P ) LCL = P 3 n ( 1 ) = 3 = 0 100 (3)繪圖 : 0%2%4%6%8%UCL=% CL=% % 備註 :當(dāng)各組之樣本數(shù)不同時(shí) ,則要對(duì)各組分別作 UCL及 LCL 3/15/2023 45 World Class Company 感謝您的全心參與 祝您運(yùn)用 QC7手法順利愉快 3/15/2023 46 World Class Company 謝謝觀(guān)看 /歡迎下載 BY FAITH I MEAN A VISION OF GOOD ONE CHERISHES AND THE ENTHUSIASM THAT PUSHES ONE TO SEEK ITS FULFILLMENT REGARDLESS OF OBSTACLES. BY FAITH I BY FAITH
環(huán)評(píng)公示相關(guān)推薦
鄂ICP備17016276號(hào)-1