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品質(zhì)管理之計(jì)數(shù)值抽樣計(jì)劃-資料下載頁

2025-07-20 12:07本頁面
  

【正文】 Where ha = b/(g1 + g2);hr = a/(g1 + g2);s = g2 /(g1 + g2);a = log[(1b)/a];b = log[(1a)/b]g1 = log(p1 / p0);g2 = log[(1p0 )/(1p1)] Whend 163。 ha + sn Accept d 179。 hr + sn Reject 範(fàn)例一: AQL = 、 a = 、 LTPD = 、 b = 逐次抽樣計(jì)劃: (1) 已知:p0 = AQL = ,a = p1 = LTPD = , b = g1 = log(p1 / p0) = log() = g2 = log[(1p0 )/(1p1)]= log() = a = log[(1b)/a]= log() =b = log[(1a)/b]= log () = ha = b/(g1 + g2) =(+) = hr = a/(g1 + g2) =(+) = s = g2 /(g1 + g2) = (+) = 判定線da = ha + sn = + dr = hr + sn = + 逐次抽樣計(jì)畫(AQL = 、 a = 、 LTPD = 、 b = )nAcRenAcRenAcRe1**110321252*2120322253*2130323254*2141424255*2151425256*216142625703171427258031814283690319142936100320143036*表示不能判定允收或拒收跳批抽樣計(jì)畫◎ 跳批抽樣計(jì)畫(Skiplot Sampling PlanCkSp1)Dodge發(fā)展。一種單次抽樣計(jì)畫。適用來源相同連續(xù)供應(yīng)之樣本,且品質(zhì)佳者。其旨在使檢驗(yàn)成本最小化?!?步驟與程序:開始時(shí)進(jìn)行每一批之檢驗(yàn)連續(xù)i批合格時(shí),則允收中止每一批之檢驗(yàn),進(jìn)行跳批抽樣有一批檢驗(yàn)不合格時(shí),則拒收l 連續(xù)抽樣計(jì)畫◎ 連續(xù)抽樣計(jì)畫(Continuous Sampling Plan)Dodge發(fā)展。適用製品是在生產(chǎn)線上以連續(xù)的方式生產(chǎn),在製程中需作抽樣檢驗(yàn)時(shí),因批的區(qū)分不易,設(shè)計(jì)連續(xù)抽樣計(jì)畫以便對生產(chǎn)過程中各重要操作予以嚴(yán)格管制?!?以MILSTD1235執(zhí)行單次及多次之連續(xù)抽樣計(jì)畫,計(jì)SCP1,SCP2,SCPA,SCPM等四
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