【正文】 ection” control 探測度是與設(shè)計控制中所列的探測控制相關(guān)聯(lián)的定級數(shù)。 The team should agree on the evaluation criteria and ranking system. 小組應(yīng)對相互一致的評定準(zhǔn)則和定級方法達成一致意見。 39 Suggested DFMEA Detection Evaluation Criteria Detection Criteria: Likelihood of Detection by Design Control Ranking Absolute Uncertainty Design Control will not an/or can not detect a potential cause/mechanism and subsequent failure mode。 or there is no Design Control 10 Very Remote Very remote chance the Design Control will detect a potential cause/mechanism and subsequent failure mode 9 Remote Remote change the Design Control will detect a potential cause/mechanism and subsequent failure mode. 8 Very Low Very low chance the Design Control will detect a potential cause/mechanism and subsequent failure mode. 7 Low Low change the Design Control will detect a potential cause/mechanism and subsequent failure mode. 6 Moderate Moderate chance the Design Control will detect a potential cause/mechanism and subsequent failure mode 5 Moderately High Moderately high chance the Design Control will detect a potential cause/mechanism and subsequent failure mode. 4 High High change the Design Control will detect a potential cause/mechanism and subsequent failure mode. 3 Very High Very high change the Design Control will detect a potential cause/mechanism and subsequent failure mode. 2 Almost Certain Design Control will almost certainly detect a potential cause/mechanism and subsequent failure mode. 1 40 探測度 評定準(zhǔn)則：設(shè)計控制可能探測出來的可能性 探測度定級絕對不肯定設(shè)計控制將不能和 / 或不可能找出潛在的起因 / 機理及后續(xù)的失效模式，或根本沒有設(shè)計控制 10很極少 設(shè)計控制只有很極少機會能找出潛在的起因 / 機理及后續(xù)的失效模式 9極少 設(shè)計控制只有極少機會能找出潛在的起因 / 機理及后續(xù)的失效模式 8很少 設(shè)計控制有很少機會能找出潛在的起因 / 機理及后續(xù)的失效模式 7少 設(shè)計控制有較少機會能找出潛在的起因 / 機理及后續(xù)的失效模式 6中等 設(shè)計控制有中等機會能找出潛在的起因 / 機理及后續(xù)的失效模式 5中上 設(shè)計控制有中上多機會能找出潛在的起因 / 機理及后續(xù)的失效模式 4多 設(shè)計控制有較多機會能找出潛在的起因 / 機理及后續(xù)的失效模式 3很多 設(shè)計控制有很多機會能找出潛在的起因 / 機理及后續(xù)的失效模式 2幾乎肯定 設(shè)計控制幾乎肯定能找出潛在的起因 / 機理及后續(xù)的失效模式 141 Detail of DFMEA DFMEA的詳細內(nèi)容 18. Risk Priority Number (RPN) 風(fēng)險順序數(shù) (RPN) Risk priority number is the product of (S), (O)(D) ranking. 風(fēng)險順序數(shù)是嚴(yán)重度 (S)、頻度 (O)和探測度 (D)的乘積 。 RPN = (S) x (O) x (D) 風(fēng)險順序數(shù) (RPN) = 嚴(yán)重度 X 發(fā)生頻度 X 檢測度 Special attention on : 應(yīng)特別留意 9 or 10 in (S)。 then 嚴(yán)重度為 9或 10的情況 2. High RPN value 高風(fēng)險順序數(shù)的情況 42 Detail of DFMEA DFMEA的詳細內(nèi)容 19. Remended Action 建議的措施 Engineering assessment for preventive/corrective action for “High Severity” , “High RPN”. 應(yīng)首先針對高嚴(yán)重度 , 高 RPN值和小組指定的其它項目進行預(yù)防 / 糾正措施的工程評價 。 OBJECTIBVE 主要目的 “ Reduce risks and increase customer satisfaction by improving the design” 建議措施的主要目的是通過改進設(shè)計 , 降低風(fēng)險 , 提高顧客滿意度 。 43 Detail of DFMEA DFMEA的詳細內(nèi)容 Typical remended action應(yīng)考慮但不限于以下措施： ? Revised design geometry / tolerance 修改設(shè)計幾何尺寸和 /或公差 ? Revised Material Specification 修改材料規(guī)范 ? Design of Experiments (particularly when multiple or interactive causes are present) or other problemsolving techniques, and DOE 試驗設(shè)計 (尤其是存在多重或相互作用的起因時或其它解決問題的技術(shù) )，和 ? Revised test plan 修改試驗計劃 44 To Reduce: 要減少 Actions 行動 Severity 嚴(yán)重度 Only by design revision 只可通過設(shè)計更改 Occurrence 頻度 Removing or controlling cause/mechanism through design revision 通過設(shè)計更改消除或控制失效模式的一個或多個起因 / 機理 Detection 探測度 Increase in design validation/verification actions 增加設(shè)計確認(rèn) / 驗證 Impacts of actions on (S), (O) (D) (S), (O) (D)的減低措施 45 Detail of DFMEA DFMEA的詳細內(nèi)容 20. Responsibility for the Remended Action(s) 建議措施的責(zé)任 21. Action(s) Taken 采取的措施 Enter the name of the anization and individual responsible for each remended action and the target pletion date. 填入每一項建議措施的責(zé)任組織的名稱和個人的姓名以及目標(biāo)完成日期。 After the action has been implemented, enter a brief description of the actual action and effective date. 在措施實施之后 , 填入實際措施的簡要說明以及生效日期。 46 Detail of DFMEA DFMEA的詳細內(nèi)容 22. Action Results 措施的結(jié)果 After the preventive/corrective action has been identified, calculate and record the resulting RPN. 在確定了預(yù)防 / 糾正措施以后 , 估計并記錄嚴(yán)重度、頻度和探測度值的結(jié)果。 計算并記錄 RPN的結(jié)果。 If no actions are taken, leave the related ranking columns blank. 如果沒有采取任何措施 , 將相關(guān)檔空白即可 。 47 Followup Actions 跟蹤措施 ? The designresponsible engineer is responsible for ensuring that all actions remended have been implemented or adequately addressed. 負責(zé)設(shè)計的工程師應(yīng)負保證所有的建議措施已被實施或已妥善落實。 ? The FMEA is a LIVING document and should always reflect the latest design level as well as the latest relevant actions, including those occurring after start of production. FMEA是一個 動態(tài) 文件 , 它不僅應(yīng)體現(xiàn)最新的設(shè)計水平 , 而且還應(yīng)體現(xiàn)最新相關(guān)施 , 包括開始生產(chǎn)所發(fā)生的措施 。 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