文档介绍：Cause
Failure Mode
(Defect)
Effect
Failure Modes and Effects Analysis
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A FMEA is a disciplined procedure that allows the engineer to anticipate failures and prevent their occurrence in manufacturing.
Identify ways the product or process can fail. Then plan to prevent those failures.
Concept
What is a FMEA?
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System FMEA: Used to analyze systems and subsystems in the early concept and design stages. Focuses on potential failure modes associated with the functions of a system caused by design.
Design FMEA: Used to analyze products before they are released to production.
Process FMEA: Used to analyze manufacturing and assembly processes.
Types of
FMEAs
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Cause 1
Cause 2
Effect 1
Effect 2
Cause 1
Cause 2
Effect 1
Cause 1
Effect 1
Effect 2
C & E’s may be related in different ways.
Important to Understand the Cause & Effect Relationship
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Linking Failure Mode to Cause and Effect
Cause
Failure Mode
(Defect)
Effect
TIME
AQuA
FMEA Model
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Linking Failure Mode to Cause and Effect
Man
Effect
Measurement
Materials
Environment
Machines
Methods
Failure
Mode
(Defect)
Brainstorming – Unstructured problem soling
Fishbone Model (5M`s & E)
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Man
Effect
Measurement
Materials
Environment
Machines
Methods
Prevent or
detect
Goal of FMEA is to understand your process well enough to anticipate and prevent or detect the Failure Mode.
Prevent or Detect
Failure Mode Fishbone Model
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