PFMEA - Reducing Severity (S) Ranking - Manufacturing Process Design Changes

O

onelong

Registered
#1
#1
Hello！
Excuse me!
(Manufacture) Process design changes that could reduce the severity of it? Case?

FMEA-4 Page105：To Reduce Severity (S) Ranking: Only a design or process revision can bring about a reduction in the severity ranking.

Thanks!
 
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Bev D

Bev D

Heretical Statistician
Staff member
Super Moderator
#2
#2
Welcome! :bigwave:

Can you clarify your question? Are you asking for examples or are you unsure of why only a design/process revision (to eliminate the function) can change the severity?
 
Bev D

Bev D

Heretical Statistician
Staff member
Super Moderator
#4
#4
Manufacturing process design change can change the severity of a process function but it cannot change the severity of a product design function...
 
Miner

Miner

Forum Moderator
Staff member
Admin
#5
#5
A process design change may reduce the Occurrence rating, but not the Severity rating for a product failure mode.
 
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