【正文】
se,至少可以減少失效模式發(fā)生的概率。2了解客戶需求產品設計過程開發(fā)進料檢驗過程控制成品檢驗客戶溝通不合格分析QFDDOEFTADFMEA可靠度配置CTQPFMEAMSA抽樣檢驗計量計數(shù)產品認可MTBF分析失效率分析過程 SPC計量計數(shù)抽樣檢驗計量計數(shù)滿意度調查 8DQC7NQC7產品審核過程審核體系審核3解決問題的方法w 首先先分清楚什麼是n 糾正n 糾正措施n 預防措施n 什麼是臨時措施n 什麼是糾正措施n 什麼是長期措施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 cause那麼不良或失效模式就可以不發(fā)生。 9Root Cause Case 2w 地面上有油漬n 為什麼地面上有油漬n 因為 A機器漏油n 為什麼 A機器漏油n 因為橡膠密封不好n 為什麼橡膠密封不好n 因為密封橡膠質量不好w 所以橡膠密封要換,但如果再換不佳的橡膠那麼不多久又要再換了,所以不但要換,而且要換好的橡膠密封。例如,焊接到膜盒上的一根毛細管發(fā)生了泄漏 :n 為什麼樣會泄漏?l 焊接密封不好。n 為什麼洗滌劑效果不好?l 洗滌劑的配方對毛細管內的這種沉積物無效。12