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FMEA / FMECA Types

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CONCEPT FMEA (CFMEA)

  • The Concept FMEA is used to analyze concepts in the early stages
    before hardware is defined (most often at system and subsystem).

  • It focuses on potential failure modes associated with the proposed
    functions of a concept proposal.

  • This type of FMEA includes the interaction of multiple systems and
    interaction between the elements of a system at the concept stages.
DESIGN FMEA (DFMEA)

  • The Design FMEA is used to analyze products before they are
    released to production.

  • It focuses on potential failure modes of products  caused by design
    deficiencies.

  • Design FMEAs are normally done at three levels – system, subsystem,
    and component levels

  • This type of FMEA is used to analyze hardware, functions or a
    combination
PROCESS FMEA (PFMEA)

  • The Process FMEA is normally used to analyze manufacturing and
    assembly processes at the system, subsystem or component levels.

  • This type of FMEA focuses on potential failure modes of the process
    that are caused by manufacturing or assembly process deficiencies.

  • Although Design FMEAs are used to analyze medical equipment,
    Process FMEA is commonly used in regard to patient care, especially
    associated with certain types of surgery.

  • This approach is also commonly used in many industries to access
    certain processes involved in providing customer care.
There are several different types of FMEA. Even though what is being
analyzed is slightly different and the assessment criteria may change some,
the step-by-step approach or technique still remains essentially the same.
Some of the more common types of FMEA / FMECA are described below:
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