FMEA Tool
Six Sigma – iSixSigma › Forums › Old Forums › General › FMEA Tool
- This topic has 5 replies, 6 voices, and was last updated 21 years, 1 month ago by
K.S.Sathyanathan.
-
AuthorPosts
-
June 25, 2001 at 4:00 am #27447
Does anyone have any suggestion regarding the customization of the rating criteria for Severity, occurence, detection in the FMEA tool?
0June 25, 2001 at 4:00 am #67248
PraneetParticipant@PraneetInclude @Praneet in your post and this person will
be notified via email.Hi Sonu
Can you be a bit more specific about to your request?? What do you mean by customisation of the FEMA tool??0June 25, 2001 at 4:00 am #67250The main thing you want to get out of an FMEA is to identify those items which are high in severity, high in occurrences, on low in detection. Rath and Strong has an excellent guide of an FMEA rating scale.
For Severity:
10 – Injure a customer of employee
6 – Result in partial malfunction
1 – Be unnoticed and not affect the performanceFor Occurrence:
10 – More than once per day (probability > 30%)
6 – Once every 3 months (probability <= .03%)
1 – Once every 6 – 100 years (probability <= 2 per billion)For detection:
10 – Defect caused by failure is not detectable
6 – Manual inspection with mistake-proofing modifications
1 – Defect is obvious and can be kept from affecting customerHope this helps.
0June 25, 2001 at 4:00 am #67259
Marc RicharsdonParticipant@Marc-RicharsdonInclude @Marc-Richarsdon in your post and this person will
be notified via email.The Automotive Industry Action Group (AIAG) has an FMEA manual. It is based on Ford’s FMEA methods and is the standard for the Automotive Industry. That being said, I find it a little weak on the way they have you estimate the occurence ranking. I have tried to standardize it a bit more by considering the type of inspection (attribute, sampling plan, variable, etc.)
Marc Richardson
Sr. Q.A. Engineer0June 28, 2001 at 4:00 am #67366
Majed KhodrParticipant@Majed-KhodrInclude @Majed-Khodr in your post and this person will
be notified via email.I have read an excellent paper to this subject. I suggest that you go over it, it is a little bit involved but it might be useful. Burton H.Lee “Using Bayes Belief Networks In Industial FMEA Modeling And Analysis” Proceedings Annual Relaibility and Maintainability Symposium, PP 7-15, 2001.
The author is a candidate in Mecahincal Engineering at Stanford University. He can help with some of the questions that you might have.0June 29, 2001 at 4:00 am #67375
K.S.SathyanathanParticipant@K.S.SathyanathanInclude @K.S.Sathyanathan in your post and this person will
be notified via email.Dear Sonu
Are you asking for custamisation of process or design FMEA. Please clarify
Regards
sathya
0 -
AuthorPosts
The forum ‘General’ is closed to new topics and replies.