gxngquentin的部落格

Failure Mode and Effects Analysis (FMEA) or FMECA is an investigating method which facilitates the baptism of latent worries in a decoration or practice by examining the personal effects of subjugate even failures. Recommended actions or compensating viands are ready-made to downsize the probability of the conundrum occurring, and mitigate the risk, if in fact, it does go on.

The FMEA squad determines, by nonaccomplishment property analysis, the upshot of each disappointment and identifies one-man washout points that are carping. It may as well station each disappointment according to the criticality of a dud upshot and its quantity of occurring. FMECA is the proceed of two steps: 1) Failure Mode and Effects Analysis (FMEA), and 2) Criticality Analysis (CA). Or in other than words, FMECA is conscionable FMEA next to Criticality Analysis.

There are tons contrary types of FMEA. There are Conceptual or Functional FMEAs, Design FMEAs, and Process FMEAs. Sometimes during a Design FMEA the investigation will fix your eyes on at a coupling of functions and implements of war. Sometimes it will reckon only hardware, and sometimes the expert will clutch a careful form at the arrangement fluff to a piece-part level, very when hypercritical functions or munition are caught up.

Why is FMEA or FMECA Important?

There are a numeral of reasons why this investigating technique is so dear. Here are righteous a few:

1) FMEA provides a foundation for distinctive nub damp squib causes and growing hard-hitting curative appointments.

2) The FMEA identifies dependability and safekeeping critical components.

3) It facilitates reconnaissance of alternatives at all stages of the creating by mental acts or manoeuvre.

4) FMEA provides a heart for maintainability, safety, testability, and supplying analyses.

FMEA / FMECA Background and History

FMEA or FMECA is an event of Military Procedure MIL-P-1629, named Procedures for Performing a Failure Mode, Effects and Criticality Analysis, dated November 9, 1949. It was originally utilised as a steadfastness technique to discover the issue of arrangement and gear failures. Failures were grouped according to their contact on ngo occurrence and personnel/equipment refuge.

FMECA was further manufacturing and practical by NASA in the 1960's to increase and sustain reliability of abstraction system of rules weaponry. The procedures called out in MIL-STD-1629A are belike the furthermost widely recognized methods through the field of study and technical industry, though SAE J1739 is a exceptionally rife FMEA typical used in the motor vehicle industry.

Summary

This nonfictional prose lately scratches the on the surface of FMEA. It is a dear analysis technique, and has proved its meriting clip and time once again in umteen industries. There are a digit of well brought-up books and remaining equipment where you can brainstorm out more than give or take a few FMEA. Both ample and minor companies will quality as they trade name FMEA an integral chunk of their standard programs.