文档介绍:Philips FMEA
Failure Mode and Effect Analysis
Content of the course
Introduction
Product - FMEA
Blockdiagram , functiontree
Process - FMEA
Process-flowdiagram (macro-level) , micro-level
Facilitatorskills
FMEA – Introduction
Why FMEA’s?
Definition, Purpose, Types, Benefits
Team Approach
FMEA-Philips
Introduction
Why FMEA’s?
Appropriate mended actions may not have been taken.
Savings in engineering time.
Reduction of changes immediately before productionstart (Commercial Release).
FMEA – Definition
Identify potential failure modes
Prioritize actions
Document the process.
Structured group of activities which...
FMEA – Purpose
Failures
Time
C R
(Productionstart)
FMEA
Rate severity of failure modes
Identify actions to reduce occurence
Test adequacy of controls
FMEA – Purpose
FMEA’s are intended to ...
FMEA – Types
Optical
Product-
FMEA
Mechanical
Process-
FMEA
Electrical
Mechanical
Electrical
Optical
FMEA Sessions
FMEA on
EVT Model
FMEA on
First Mechanical
Working Model
FMEA on
Part Files
FMEA on
L1 Board
(ftbo L2)
FMEA on
L0 Board
(ftbo L1)
FMEA on
L0 Schematics
(ftbo L0)
FMEA on
Architectures
Mechanical
Electrical
FMEA on
chosen
Architecture
Benefits – Product-FMEA’s
Assess failure mode effects on all customers.
Aids in evaluating testspecifications
Evaluation of design relating to DFM DFA DFT
Increases the possibility to detect possible failure modes.
Proces
Product