Transcription of Design Failure Modes and Effects Analysis - raytheon.com
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Copyright 2003-2007 raytheon Company. All rights is a raytheon trademark registered in the United States and Six Sigma is a trademark of raytheon is a trademark of raytheon Failure Modes and Effects AnalysisDFMEA with SuppliersCopyright 2003 2007 raytheon Company. All Rights 00 - 2 Design Failure Modes and Effects AnalysisA structured approach that ensures potential product Failure Modes and their associated causes have been considered and addressed in the product Design What can go wrong? Where will the variation come from? How can we prevent or control?Copyright 2003 2007 raytheon Company. All Rights 00 - 3 DFMEA ObjectiveDesign and sell products so that in the future the customer returns, NOTthe product Performing DFMEAs on existing or new product designs allows: Early identification of the ways the product Design can fail Rational prioritization of potential failures so that corrective/preventive action and/or redesign can be accomplished before risk and cost can escalate Smoother production ramps Enhanced system reliability once countermeasures are implemented Reduced development, production and warranty cost Higher customer and end-user satisfactionCopyright 2003 2007 raytheon Company.
FAILURE MODE: How a product can fail to meet design specifications or functional intent CAUSE : A deficiency that results in a failure mode Îe.g. sources of variation EFFECT : Impact on customer if the failure mode is not prevented or corrected
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