PFMEA severity score different applications

AlanC

Involved In Discussions
#1
Hi All,
how to manage multi customer applications for the same process in terms of severity scoring. E.g The product produced may go into a safety critical application and score a severity of 9 or a non safety application and would score eg 4. The product goes down the same process but multi end customers can use the product in various ways. Do you have one PFMEA and have several lines for the different severity scores depending application, create several PFMEA's depending application ( but this turns it into a product and not process FMEA as the process is the same for both) or do you just enter the most severe case within the FMEA
cheers
Alan
 

leftoverture

Involved In Discussions
#3
I believe the PFMEA is a risk analysis tool of your process and, therefore, I would suggest using the worst case application to determine your rankings. And then take actions based on the risk associated with the higher RPN and/or criticality scores. Doing two because of the different applications makes one a meaningless paperwork exercise so I would avoid this practice.
 

optomist1

A Sea of Statistics
Trusted
#4
I disagree, and if is in the automotive field, unless the parts/assemblies are identical in all aspects, the OEM SQE/Release engineer would likely request separate PFMEAs/Control Plans...
 

leftoverture

Involved In Discussions
#5
I disagree, and if is in the automotive field, unless the parts/assemblies are identical in all aspects, the OEM SQE/Release engineer would likely request separate PFMEAs/Control Plans...
I interpret that the original poster as indicating the parts/process is identical. With that in mind, I still say we need to push back on our customers when they ask us to do things that don't make sense. We don't want to let the automtive guys push us around. A process FMEA is about OUR process, not theirs. We have control over how it is ranked, and we can see this in the AIAG manual with a careful reading. It doesn't happen too often but I push back when my customers disagree with something in our PFMEAs. I mean this with all sincerity....letting customers badger us into meaningless paperwork exercises is not a lean practice and is a disservice to our own companies! We may not win every argument but I sure believe we need to try.
 

Top Bottom