fmea培訓(xùn)教材(英文版)-在線瀏覽
2025-04-01 07:51本頁面
【正文】 0 1 2 3 4 3 7 5 4 5 1 2 3 ProductFMEA – Electrical (Example) Description Level 1 Description Level 2 Function Mode of Failure Effect Cause Action/ Solution Resp. P Front end Tuner Putthrough selected signal (SD12XX) Tuner gets disturbed by noise generated by 1418V generation Tuner gives bad signal through A Low frequent noise is not filtered 5 ML MC Add bead in LNBA line, right next to tuner GD 2 Proces FMEA – Content ? FMEAteam ? Define scope ? Describe functions Proces FMEA Content ProcesFMEA – Team Production/ processengineer Designengineer Core team Representatives of : ? Productdevelopment ? Processdevelopment ? Production ? Quality ? Purchase ? Owner of the next process ? … . Support team Facilitator or application engineer ProcessFMEA – Scope ? Create flowdiagram ? Define scope ? Define supportteam. ProcessFMEA – (Example) Description Level 1 Description Level 2 Function Mode of Failure Effect Cause Action/ Solution Resp. P Glue Glue with cyanoacrylate Join parts Cyanoacrylate not well cured Lifetime problems A Glue volume to high 5 ML MC Use activator JD 2 FMEA Tasks Responsibilities. FMEA – Teamleader ? Preparation of the FMEA session 187。 Philips FMEA Failure Mode and Effect Analysis Content of the course ? Introduction ? Product FMEA ? Blockdiagram , functiontree ? Process FMEA ? Processflowdiagram (macrolevel) , microlevel ? Facilitatorskills FMEA – Introduction ? Why FMEA?s? ? Definition, Purpose, Types, Benefits ? Team Approach Introduction Why FMEA’s? ? Appropriate remended actions may not have been taken. ? Savings in engineering time. ? Reduction of changes immediately before productionstart (Commercial Release). FMEA – Definition ? Identify potential failure modes ? Prioritize actions ? Document the process. Structured group of activities which... FMEA – Purpose Failures Time C R (Productionstart) FMEA ? Rate severity of failure modes ? Identify actions to reduce occurence ? Test adequacy of controls FMEA – Purpose FMEA’s are intended to ... FMEA – Types Optical Product FMEA Mechanical Process FMEA Electrical Mechanical Electrical Optical FMEA Sessions FMEA on EVT Model FMEA on First Mechanical Working Model FMEA on Part Files FMEA on L1 Board (ftbo L2) FMEA on L0 Board (ftbo L1) FMEA on L0 Schematics (ftbo L0) FMEA on Architectures FMEA on chosen Architecture Benefits – ProductFMEA’s ? Assess failure mode effects on all customers. ? Aids in evaluating testspecifications ? Evaluation of design relating to DFM DFA DFT ? Increases the possibility to detect possible failure modes. Proces Product Voordel
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