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因?yàn)橐嫔w的密封漏水,以致水進(jìn)入w 所以如果只是把火星塞換了,汽車(chē)是可以走了,但是不用多久火星塞又要潮濕,汽車(chē)又要不動(dòng)了,但如果把密封也換了,那麼火星塞就可以使用壽命比較長(zhǎng)了。w 有些失效模式可能有好幾個(gè) root cause,那麼解決了一個(gè) root cause,至少可以減少失效模式發(fā)生的概率。8D培訓(xùn)課程18D方法w 8D: 所 謂 8D方法 (eight disciplines),又稱(chēng)團(tuán)隊(duì)導(dǎo)向問(wèn)題解決 步 驟 ,是 福特公司 處理 問(wèn)題 的 一種 方法 ,亦 適 用于制程能力指數(shù) 低于其 應(yīng) 有值 時(shí) 有 關(guān)問(wèn)題 的解 決 。2了解客戶(hù)需求產(chǎn)品設(shè)計(jì)過(guò)程開(kāi)發(fā)進(jìn)料檢驗(yàn)過(guò)程控制成品檢驗(yàn)客戶(hù)溝通不合格分析QFDDOEFTADFMEA可靠度配置CTQPFMEAMSA抽樣檢驗(yàn)計(jì)量計(jì)數(shù)產(chǎn)品認(rèn)可MTBF分析失效率分析過(guò)程 SPC計(jì)量計(jì)數(shù)抽樣檢驗(yàn)計(jì)量計(jì)數(shù)滿(mǎn)意度調(diào)查 8DQC7NQC7產(chǎn)品審核過(guò)程審核體系審核3解決問(wèn)題的方法w 首先先分清楚什麼是n 糾正n 糾正措施n 預(yù)防措施n 什麼是臨時(shí)措施n 什麼是糾正措施n 什麼是長(zhǎng)期措施4ISO 的定義 1w conformityn fulfillment of a requirement ()w nonconformityn nonfulfillment of a requirement ()w preventive actionn action to eliminate the cause of a potential nonconformity () or other undesirable potential situationl NOTE 1 There can be more than one cause for a potential nonconformity.l NOTE 2 Preventive action is taken to prevent occurrence whereas corrective action () is taken to prevent ISO 的定義 2w corrective actionn action to eliminate the cause of a detected nonconformity () or other undesirable situationlNOTE 1 There can be more than one cause for a nonconformity.lNOTE 2 Corrective action is taken to prevent recurrence whereas preventive action () is taken to prevent occurrence.lNOTE 3 There is a distinction between correction () and corrective action.6ISO 的定義 3w correctionn action to eliminate a detected nonconformity ()lNOTE 1 A correction can be made in conjunction with a corrective action ().lNOTE 2 A correction can be, for example, rework () or regrade ().7What is Root Causew 解決了 root ca