【正文】 on. ? – needs investigation 6 (need SD part number(s) and manufacturing dates) Statement: Who? What? Where? When? Why? How? How Many Gene ral El ec t ric T u r b in e St arter B eari n g Failure 8D 8 D R ev is ion Da te : Step 1 – A ss em ble a t eam i f n eces sa r y : N am e F un c ti o n ( F ac ili ta tor ) Step 2 – Desc r ibe t he p r o blem a nd th e expectat io n : P roblem s tate ment: Ser i es 90 2 50cc H yd r ostat ic P iston P um p shaf t seal fails on a tu r bin e s ta r ter app l icati on . M ult ipl e GE tu r bi ne star ter in stallat ion s. W ho C us tom e r : G ene r al E lec tr ic W hat Pr oduc t: Ser ies 90 , 250 cc H yd r os tat ic P u m ps Se r ia l no: ????? W her e Seal leak a nd bear i ng fai lu r e W hen A ft er 2 ho u r s of o per a ti on W hy Seal leaks / bear in g fai ls / ? – needs i nves ti gati o n H ow ? – needs inves t ig at ion H ow m any 6 ( nee d S D p a r t nu m ber ( s ) and m an uf ac tu r in g dat es ) C ha mpion : R o ck y Da i / T erry L a rs on / ? ? ? ? Gene ral El ec t ric T u r b in e St arter B eari n g Failure 8D 8 D 修改日期 : 步驟 1 – 如果需要可集合一個隊伍 : 姓名 職責 ( 協調員 ) 步驟 2 – 問題的陳述及客戶的期望 : 問題的陳述 : 90 2 50 c c 系列液壓 柱 塞泵的軸密封在渦輪起動器應用時失效 . 誰 客戶 : 多種通用電氣的渦輪起動器 什么 產品 : 90 , 250 cc 系列 泵； 系列號 : ????? 哪里 密封泄漏 和軸承損壞 ； 何時 運行 2 小時后； 為什么 密封泄漏 / 軸承損壞 / ? – 需要調查 程度 ? – 需要調查 多少 6 ( 需要 S D 零件號碼和生產日期 ) C ha mpion : R o ck y Da i / T erry L a rs on / ? ? ? ? SauerDanfoss Standard Step 3 第三步 Implement and Verify Interim Containment Actions 貫徹和核實臨時性圍堵行動 Define and implement interim containment actions to isolate the effect of problem from any internal/external customer until corrective action is implemented. Verify the effectiveness of the interim containment action. 確認和實施臨時性圍堵行動，使問題的影響不至于擴散到內、外部的客戶那里，直到采取了修正措施。核實臨時性圍堵行動的效果。 How’s the Customer? Containment: definition 圍堵的定義 ? Contain 圍堵 – Keep within limits 限制在范圍內 – Restrain, control, check, halt 抑制，控制，阻止，暫停 – Stop the bleeding “止血” Containment Steps 圍堵的步驟 ? Stop the process if necessary ? 必要的話停止工藝 ? Retrieve / Isolate any defective products ? 招回、隔離任何不合格產品 ? Make list of possible containment actions ? 列出圍堵措施 ? Consensus on containment actions ? 圍堵行動達成一致 ? Test the containment ? 測試圍堵 ? Implement the containment ? 執(zhí)行圍堵 ? Document the containment ? 圍堵的書面表示 Containment Actions 圍堵措施 Action Taken by Date Taken 1. Track and Return transmission failures: CQAR 202301043 was initiated to track analysis of initial 5 units. G. Hansen W. Smith 16 June 2023 2. Stop Shipment: Stop Order 1423 was initiated stopping shipment of all mid and large frame Cut transmissions. L. Meier W. Smith 16 June 2023 3. Customer inventory placed on hold Caterpillar 16 June 2023 4. Safety Team Review: Reviewed actions with HST product liability team and gained approval L. Meier 25 June 2023 5. Revert to (1202338) design which had been used successfully during the previous 16 months。 Serial number start of containment: o A032523527 (1202350), Mid Frame o A032520450 (1202355), Large frame W. Smith 25 June2023 6. Reworked inhouse inventory Resumed Shipment. G. Hansen 25 June 2023 7. Customer returned 300 transmissions: Transmissions built on June 3 were removed from tractors in factory (34 pcs) at dealers (60 pcs). All inprocess midframe transmissions returned (200 pcs). CQAR’s 202301185, 202301186, 202301190 were initiated to track application of containment to customer inventory. M. Gibson 25 June 2023 Containment Actions 圍堵措施 行動 執(zhí)行者 執(zhí)行日期 1. 跟蹤招回失效的產品 : CQAR 202301043 開始跟蹤分析最初的 5個單位 . G. Hansen W. Smith 16 June 2023 2. 停止發(fā)貨 : 1423訂單停止發(fā)貨 L. Meier W. Smith 16 June 2023 3. 控制客戶的庫存 Caterpillar 16 June 2023 4. 安全小組評審 : 同 HST小組共同評審措施，并獲得批準。 L. Meier 25 June 2023 5. 求助設計： o A032523527 (1202350), Mid Frame o A032520450 (1202355), Large frame W. Smith 25 June2023 6. Reworked inhouse inventory Resumed Shipment. G. Hansen 25 June 2023 7. 客戶退貨 300件 : Transmissions built on June 3 were removed from tractors in factory (34 pcs) at dealers (60 pcs). All inprocess midframe transmissions returned (200 pcs). CQAR’s 202301185, 202301186, 202301190 were initiated to track application of containment to customer inventory. M. Gibson 25 June 2023 SauerDanfoss Standard Break 休 息 Step 4 第四步 Define and Verify Root Causes 尋找和核實問題的根源 Identify all potential causes which could theoretically explain why the problem occurred. 查找所有能夠在理論上解釋問題發(fā)生的潛在的原因。 Step 4 第四步 Define and Verify Root Causes 尋找和核實問題的根源 Isolate and verify the root cause by mental and/or physical test of potential causes against the problem description and data. 依據問題的描述和數據，用思考分析和、或物質試驗，分離出問題的根本成因并加以核實 Define Verify Root Cause Steps 尋找和核實問題的根源的步驟 ? Review problem statement ? 回顧問題的陳述 ? Develop a list of facts (Is / Is Not) ? 列出事實表格（是 /否） ? Chronological list of changes ? 按順序排列 ? List of possible causes ? 列出可能的原因 ? Compare possible causes to facts ? 根據實施比較原因 ? Verify probable root cause ? 驗證可能的根本原因 ? Write root cause statement ? 寫出根本原因的描述 Tools to help Define and Verify Root Causes 幫助查找和核實問題根源的工具 ?Is / Is Not? 是 / 否？ ?Ask Why 5 times? 問 5遍為什么？ ?Chronological Sequence? 歷史成因？ ?Brain