New AIAG FMEA Process - How to complete the new format

sagai

Quite Involved in Discussions
#31
Quick feedback on this new revision coming from applying in an automotive electronics project.

Seems the structure breakdown in essence is a great approach however I found rather difficult to apply to electronics.

My sneaking suspicion at the moment, unless I am utterly wrong, that it is more likely for mechanical structures where the connection of components kind of straight forward due to the obvious sequential nature by physics, for electronics however representing the physical structure blows up a horrendous 3D spider net to represent in those 3 columns.

Finally I have dropped the structural approach and follow the journey of electricity on the schematics to nail this structure.

Also, word of caution is to use fmea in conjunction with FTA or other approach that provides more functional insights as a complementer to dfmea.

Ratings for severity/occurance/etc seem academic as usual for designs, we can use that, adds little to none to design analysis.
 
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#32
Hello all,
I have been working on new PFMEA, I want to ask your opinion for a potential change/improvement
Item 2 of Step#4, Failure analysis describes the Failure Mode for Focus element/step.
However If you consider 4M elements though they altogether make the focus element/step but there are different failure cause for each 4m elements.
What I would suggest to write failure mode of each work element rather than failure mode of focus element/step or add additional column to describe failure cause. this will give more insight for the Work element Failure Cause. Otherwise one must always keep in mind work element function & potential failure. In case you have 4M or 6M, that makes the study even more difficult.

What is your opinion?
Have you obtained any feedback or resolution to this? I have been trying to determine if I should be considering 4M as mentioned in the manual, or 6M as per 6 Sigma.
 
#33
Have you obtained any feedback or resolution to this? I have been trying to determine if I should be considering 4M as mentioned in the manual, or 6M as per 6 Sigma.
Hi, I have received no feedback so far. However after a couple of application I decided to act freely, ultimately is a tool to avoid potential problems. There is no limitation You should be considering all possible causes (6 M).
 
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