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但必須前後一致 . ? 為什麼要這麼定義 ? 改善的基礎(chǔ) ,同業(yè)的標(biāo)竿 , 競爭優(yōu)勢的檢討 開始 : 100 units A B C D 產(chǎn)出的結(jié)果是什麼 ? _____ % 傳統(tǒng)的產(chǎn)出計算方式 結(jié)束 : 85件 “ 好 ” 的產(chǎn)出 關(guān)於首次合格率 開始 : 100 units A B C D 結(jié)束 : 85件 “ 好 ” 的產(chǎn)出 產(chǎn)出的結(jié)果是什麼 ? 1 .9 .97 .98 = 85% 100/100 = 1 85/87 = .98 87/。 凈可用時間 operating time / Next Available Time = = OEE Formulas 計算 ? .嫁動效率 Availability ? ? .―凈可用時間 ‖等于總計劃時間減去契約要求的 停止時間(給薪的午餐 /休息) ? Net Available Time Equals Total Schedule Time minus contractually required downtime (paid lunches / Breaks) 衡量指標(biāo) OEE 衡量指標(biāo) OEE ? OEE Formulas 計算公式 ? .稼動效率 Availability ? ? .‖作業(yè)時間 ‖等於浸可用時間減去全部其他停止時間 (停機 .設(shè)定 .調(diào)整 .小停止 .會議 .保養(yǎng) ) ? The operating time equals the available time minus all other downtime (breakdowns. setups. adjustments .minor. Stoppages. meetings .maintenance) 衡量指標(biāo) OEE ? OEE Formulas 計算 ? *作業(yè)性能效率 Performance Efficiency ? ? .在稼動時間內(nèi)產(chǎn)品生產(chǎn)總數(shù) ? 與理想生產(chǎn)總數(shù)的比值 ? .在作業(yè)上實際作業(yè)週期時間值與設(shè)計作業(yè) ? 週期時間的差異程度 衡量指標(biāo) OEE OEE Formulas 計算 ? .作業(yè)性能效率 Performance Efficiency 作業(yè)性能效率 = 理想周期時間 X 總件數(shù) 247。 quick changeover). 衡量指標(biāo) —FTT ? FTT首次合格率 投入制程總件數(shù) (報廢 +返工 +重試 +線外修理 +退回件數(shù)) ? Units entering process – (Scrap + returns + retests + repaired offline +returns) 投入制程總件數(shù) Units entering process 衡量指標(biāo) FTT 利益 Benefits 1 ? .提升制程 /品質(zhì) 不良減少 ,庫存 降低 ,改善 DTD時間 ? Increased process/out quality reduces the need for extra production inventory, improvement DTD time. ? .改善及維護順序通過制程 以 改進 BTS ? improves and maintains sequence throughout the process, improving Build to schedule (BTS). 衡量指標(biāo) FTT 利益 Benefits 2 ? .確保接收良品提高品質(zhì)水準(zhǔn)與降低浪費產(chǎn)生 並 全面提升 OEE ? Increased quality before the constraint ensures that it only receives ―good parts‖ which promotes a higher quality rate and reduces wasted out at the constraint ,which all improve the OEE ? .以降低索賠(保證), 報 費,與修理成本改善總成本 ? Total cost is improved through lower warranty, scrap and repair costs 衡量指標(biāo) FTT 為什 麼 Why:1 ? 改善 FTT成果將 improvements in First Through will result in: .提升產(chǎn)能 increased capacity .改善產(chǎn)品品質(zhì)對內(nèi)部及外部客戶 Improved product quality to internal and external customers .降低大量生產(chǎn)庫存結(jié)果,改善了 DTD時間 Reduced need for excess production inventory resulting in improved Dock to Dock time 衡量指標(biāo) FTT 為什么 Why:2 ? .改善了能力以維護順序通過制程 改善了 BTS improved ability to maintain sequence throughout the process resulting in improved Build Schedule ? .提升品質(zhì) 加入作業(yè)要求改善 OEE increased quality input to constraint operations resulting in improved Overall Equipment Effectiveness ? .消除因報廢,修理,與過多庫存浪費 的 結(jié)果 ,以改 善總成本 Elimination of wastes due to scrap, repair, and excess inventory resulting in improved Total Cost 衡量指標(biāo) FTT 何處 Where : ? .FTT數(shù)據(jù)收集必須在最終制程 實施 FTT Data should be collected at the end of processes ? .延伸目標(biāo): 100 percent (100%) FTT 能力 = 零制造不良與交送 Stretch Objective : One hundred percent(100%)FFT capability = Zero defects made or passed on 衡量指標(biāo) FTT 何時 When : ? .首次合格率數(shù) 據(jù) 必須收集并使用 ? .最少以班別(出勤) ? .數(shù)據(jù)必須應(yīng)用帶動日常實踐行動 .First Time Through data should be collected and used .at minimum by shift . FTT data must drive business practices behavior 衡量指標(biāo) FTT 計算說明 FTT Formula ? .這個百分比計算結(jié)果 如果所有單件投入一個制程制造 此每件數(shù)都通過過程,計算的結(jié)果必定 100% . This calculation results in a percentage. if every unit entering a process makes it through the process, the result of the calculation would be 100% 衡量指標(biāo) FTT 計算說明 FTT Formula ? .驅(qū)動使 FTT鎖 進 100% 必須降低報廢,返工,重試,退回 .或差異在線外修理區(qū),如果這些項目能被降下 FTT將會提升 To move the FTT measurable closer to 100%,the number of units that are scraped, return, retested, returned, or diverted into an offline repair area must be reduced. If any of these items can be lowered, the FTT will improve FTT (by operation)單作業(yè) Units entering process(scrap+returns+repaired offline+ returns ) 投入件數(shù) Units Entering 1000 報廢數(shù) Scrap 10 重制數(shù) Reruns 15 重試數(shù) Retest 5 線外修理 Repair Offline 0 FTT%= FTT%= FTT%= % Units entering process 1000(10+15+5+0) 1000 970 1000 FTT (by operation) Units entering process(scrap+returns+repaired offline+ returns ) Units Entering=1000 Scrap =10 Reruns =15 Retest =5 Repair Offline =0 FTT%= FTT%= FTT%= % Units entering process 1000(10+15+5+0) 1000 970 1000 FTT Multiple Operation Calculation Example FTT (operation 1) = % FTT (operation 2) = % FTT (operation 3) = % Final Inspection (Operation 4) = % Total FTT% = (.9278 x .8765 x .6598 x .8234) Total FTT% = (%) 復(fù)合作業(yè) FTT計算例 FTT Multiple Operation Calculation Example FTT (作業(yè) 1) = FTT (作業(yè) 2) = FTT (作業(yè) 3) = FTT (作業(yè) 4) 完成檢查 = Total FTT% = (.9278 x .8765 x .6598 x .8234) Total FTT% = % 衡量指標(biāo) FTT FTT首次合格率 ? .返工與修理為生產(chǎn)效率隱藏的殺手 ? .隱藏效率將誤導(dǎo)管理 ? .計算 TACK TIME 必須 確實澄清 衡量指標(biāo) FTT 如果能提升產(chǎn)品通過生產(chǎn)線不用返工修理的百分比 ? .顧客將快速接受產(chǎn)品 ? .產(chǎn)品總體品質(zhì)將提升 ? .顧客滿意度 顧客忠誠度 ? If we can increase the percentage of vehicles that go through the line without being reworked: ? . Then, our customers will receive their cars faster, ? .And the overall quality of their vehicle will improve. ? . ―Customer Satisfaction – Customer Loyalty‖ 衡量指標(biāo) FTT ? 你能分辨什么工具能改善 FTT在您的區(qū)域? ? Can y