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24 Problem Analysis – Identify Possible Causes Identify Possible Cause Use knowledge and experience to develop possible cause state ments. 利用知識與經(jīng)驗來找出問題產(chǎn)生的可能原因 . Use distinctions and changes to develop possible cause statements. 利用差別與變異來找出問題產(chǎn)生的可能原因 . From experience,what could have caused this deviation? 由經(jīng)驗判斷 ,是什么因素導(dǎo)致這種現(xiàn)象產(chǎn)生 . What is different or unique about or about each distinction? 所有的特征量中變化的量有哪些 ? 25 When did the change occur? 變化出現(xiàn)的時間 How could each change have caused this deviation? 各不同的因素變更是如何導(dǎo)致不良現(xiàn)象的產(chǎn)生 ? How could a change plus a distinction have caused this deviation? 一個變化加上一個特性后是如何引起不良的產(chǎn)生 ? How could a change plus a change have caused this deviation? 兩個變化相加是如何引起不良的產(chǎn)生 ? 26 Problem Analysis – Evaluate Possible Cause Evaluate possible causes Test possible cause against the IS and IS NOT to determine most pro bable cause. 對 IS 項和 IS NOT 項中不同的可能性的因素以確定最可能的原因 . If ” X” is the true cause,how does it explain both the IS and IS NOT Infromation. 假如找到一個真因 ,那么這個真因是如何解釋 IS項和 IS NOT項中的各個條件的 . 27 What assumptions have to be made to explain the specification? 必須作出何種假設(shè) ,方可解釋上述細節(jié) . Of the causes tested against the specification,which best explains The IS and IS NOT data? 如果此原因被証明不是真因 ,該如何給它為非真因的合理解釋 ? 28 Problem Analysis – Confirm True Cause Confirm true cause Verify assumptions made in testing conduct observation Try fix and check result. 確認我們針對不良現(xiàn)象所作出的假設(shè) .看能否確認并檢查之 . What can be done to verify any assumptions made in testing This cause? 為了驗証我們在檢驗不良原因時所作的假設(shè) , 能夠采取哪些措施 ? When corrective action is taken,how will results be checked? 如果己經(jīng)采取改善 (糾正措施 ,怎樣確認改善結(jié)果 ? ? 以上是對 8D的基本概念的描述 ,下面是 8D FORM來描述 , 也許會更清晰些 29 30 寫 8D注意事項 收到客戶抱怨後 24小時內(nèi)必須回復(fù) ? 8D不是一氣呵成全部寫完,不是兩個小時或半小時 8個項目可寫好 ? 因 8D可用版本控制,收到抱怨後 24小時內(nèi)可以完成 1D. REV:A或 R00來控制 接下來找到真因後在 A版之前提下寫出 3D. . REV定義為 B或 R01 31 有些改善對策不是一二天可以看到效果的, REV B 只寫出 6D只是對立即改善措施 的確認 一份完整的 8D一般在一周內(nèi)才能全部完成,一份 8D可能有 3到 4個版本 8D的每項日期,只有 ,其餘各 D 日期是按你所提出日期來決定,可能相 1~2天 8D後面要附一些附件來說明你的改善對策是否合理 附件里必須有改善前後的文件,統(tǒng)計報表等 ? 32 謝謝觀看 /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