fmea培訓(xùn)教材(英文版)-展示頁
2025-03-06 07:51本頁面
【正文】 able MC ML P Assembly not possible to sale Customer dissatisfied A Potential Cause of Failure A weakness in the design with a failure mode as effect. Manufacturing misbuilds Due to design Deficiencies + + Manufacturing misbuilds Robust Design + + Use Fishbone Diagram Cause of failure Tekst unreadable Inkt of poor quality Tekst on wrong location Cause of failure – “Why”ladder Designrequirement WHY? level 1 Tekst unreadable WHY? level 2 WHY? level 3 Inkt doesn’t stick Surface roughness not ok. Sentencing Technique Failure Mode Could result in Effect Due to Cause Sentencing Technique Example Tekst unreadable Could result in Dissatisfied customer Due to Surface roughness (designreq.) ProductFMEA – Cause Description Level 1 Description Level 2 Function Mode of Failure Effect Cause Action/ Solution Resp. Front Button Tekst clear visible after PQRtest Tekst unreadable MC ML P Assembly not possible to sale Customer dissatisfied A Tekst on wrong location ProductFMEA – Occurrence What is the possibility that the failure occurrs? Possible Failure Rates Ranking Probability of failure 1 of 20 Very high Moderate 1 of 400 1 of 15000 Low 1 of 15000 4 5 3 2 1 Ratingcriteria occurrence ??1 of 3 ProductFMEA – Occurrence Description Level 1 Description Level 2 Function Mode of Failure Effect Cause Action/ Solution Resp. Front Button Tekst clear visible after PQRtest Tekst unreadable MC ML P Assembly not possible to sale Customer dissatisfied A Tekst on wrong location 5 ProduktFMEA – Action/Solution What are possible actions to: eliminate the failure reduce effect reduce occurrence. ProductFMEA – Action/Solution Description Level 1 Description Level 2 Function Mode of Failure Effect Cause Action/ Solution Resp. Front Button Tekst clear visible after PQRtest Tekst unreadable MC ML P Assembly not possible to sale Customer dissatisfied A Tekst on wrong location 5 No tekst on buttons JD Define Evolutionfactor ? Cause not known 4 ? Solution not known 3 ? Solution not evaluated 2 ? Solution not implemented 1 ? Solution implemented 0 ProductFMEA – Evolutionfactor Description Level 1 Description Level 2 Function Mode of Failure Effect Cause Action/ Solution Resp. Front Button Tekst clear visible after PQRtest Tekst unreadable MC ML P Assembly not possible to sale Customer dissatisfied A Tekst on wrong location 5 No tekst on buttons JD 1 Risk evaluation ? Severity (Weightfactor) ? Occurrence ? Evolutionfactor ? Risk maturity grid Maturity Grid Weight Factor Evolution Factor Evolution Factor S A B C D 0 1 2 3 4
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