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FMEA (Failure modes and effects analysis)

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by

Félix Sales

on 4 December 2017

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Transcript of FMEA (Failure modes and effects analysis)

What is FMEA?
Is a useful tool during the analyze stage.
Prioritize the different potential sources of variability, failures, errors, or defects in a product or process.
It serves to

Is based on three criteria
The likelihood that something will go wrong



(ranked on a 1 to 10 scale with 1 = not
likely and 10 = almost certain).
First.
The ability to detect a failure, defect or error




(ranked on a 1 to 10 scale with 1 = very
likely to detect and 10 = very unlikely to detect).
Second
The severity of a failure, defect or error




(ranked on a 1 to 10 scale with 1 = little impact and 10 = extreme impact, including extreme financial loss, injury, or loss of life).
Third
The three scores for each potential source of variability, failure, error or defect are multiplied together to obtain a risk priority number (RPN). Sources of variability or failures with the highest RPNs are the focus for further process improvement or redesign efforts.
RPN
FMEA (Failure modes and effects analysis)

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