六西格瑪fmea表-文庫吧在線文庫
【正文】 viscosity Viscosity too high Paint spatter, low rate , high paint usage 7 Temperature too low in booth 2 Closed loop HVAC controls 2 28 Viscosity too low Thin paint ,high solvent usage 8 Incorrect solven loading 6 Mixing procedure SOP 4 192 5. 計(jì)算 FMEA表中的 RPN值 ? 對每一列，將 Severity, Occurrence 及 Detection相乘算出 RPN值 ? Excel表格會幫您自動(dòng)計(jì)算結(jié)果 ? 然后以 RPN值排序 ? 注意您必須確認(rèn)包含所有的欄位，然后才進(jìn)行 Failure Modes, Effects, Causes 及目前 Controls 排序 Process Step/Input Potential Failure Mode Potential Failure Effects SEV Potential Causes OCC Current Controls DET RPN Paint /Nozzle type Dirty nozzle Uneven spray pattem ,too little paint 7 Nozzle not kept in solven 8 None 10 560 Paint /Nozzle type Nozzle too large Too much paint,splatter 7 Incorrect nozzle in parts bin 4 Nozzles received bagged and tagged 7 196 Paint /Paint viscosity Viscosity too low Paint spatter, low rate , high paint usage 7 Incorrect solven loading 6 Paint setup SOP 4 192 Paint /Nozzle type Nozzle too small Too little paint, low rate 8 Incorrect P/N in procedure 2 Mixing procedure SOP 5 80 Paint /Paint viscosity Viscosity too high Thin paint ,high solvent usage 7 Temperature too low in booth 2 Closed loop HVAC controls 2 28 RPN 的評估 ? 當(dāng)您計(jì)算每個(gè) Failure Mode / Cause / Controls 組合之 RPN值后，檢討結(jié)果及探討其中之意義 進(jìn)行直覺檢測 – 這些項(xiàng)目依 Pareto原理排序后，其結(jié)果合理嗎？ 如果沒有，就可能是 ratings 之標(biāo)準(zhǔn)不一 ? 決定下個(gè)可能的步驟： 數(shù)據(jù)收集 實(shí)驗(yàn) 流程改善 執(zhí)行流程控制 7. 建議降低高 RPN 值的改善行動(dòng) 對于高 RPN 值方面改善的行動(dòng) Process Step/Input Potential Failure Mode Potential Failure Effects SEV Potential Causes OCC Current Controls D E T R P N Actions Remended Resp. Paint /Nozzle type Dirty nozzle Uneven spray pattem ,too little paint 7 Nozzle not kept in solven 8 None 10 560 Design nozzle storage system PTBNL Paint /Nozzle type Nozzle too large Too much paint,splatter 7 Incorrect nozzle in parts bin 4 Nozzles received bagged and tagged 7 196 Review and improve part specifications SQA Paint /Paint viscosity Viscosity too low Paint spatter, low rate , high paint usage 7 Incorrect solven loading 6 Paint setup SOP 4 192 Review and improve training and mixing methods Paint /Nozzle type Nozzle too small Too little paint, low rate 8 Incorrect P/N in procedure 2 Mixing procedure SOP 5 80 Paint /Paint viscosity Viscosity too high Thin paint ,high solvent usage 7 Temperature too low in booth 2 Closed loop HVAC controls 2 28 只對高 RPN 值做建議行動(dòng) 關(guān)鍵是 專注 ！ 8. 執(zhí)行適當(dāng)?shù)母纳菩袆?dòng)并重新計(jì)算 RPN 值 Potential Causes OCC Current Controls D E T Actions Remended Resp. Actions Taken SEV OCC D E T R P N Nozzle not kept in solven 8 None 10 Design nozzle storage system PTBNL Implemented automatic nozzle ‘parking’ system 7 3 4 84 Incorrect nozzle in parts bin 4 Nozzles received bagged and tagged 7 Review and improve part specifications SQA Standardized on single nozzle 7 2 7 98 Incorrect solven loading 6 Paint setup SOP 4 Review and improve training and mixing methods XYZ Improved mixing procedures and equipment 8 4 4 128 Incorrec
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