Title: FMEA
1FMEA
- Failure Mode and Effect Analysis
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FMEA
Introduction
4??? FMEA ?
FMEA ?????????????????????????
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- FMEA???????????, ?????????????????FMEA???????????
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6 FMEA ?????
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- FMEA???????????,???????
- FMEA?????????????????/??????
- ???????FMEA??????????,????????????
- FMEA??????????????
7 FMEA ???
- FMECA
- Failure Mode Effects and Criticality Analysis
- 1950s ??????????
- ?????????????
- ????????????
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8 FMEA ???
- FMEA
- Failure Mode Effects Analysis- 1960s?70s
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9???FMEAs
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10FMEAs???
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SFMEA ????? ?? ???????
DFMEA ?????????SFMEA ?????????SFMEA ???????????
PFMEA ?????????DFMEA ?DFMEA????? ??????????????
11 FMEA ?????
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DFMEA ??????,????????????????????????
PFMEA ???????????????,???????????????????
12 FMEA ?????
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13???????
- AIAG Automotive Industry Action Group
- APQP Advanced Product Quality Planning
- DFMEA Design Failure Mode and Effect Analysis
- DOE Design of Experiments
- FMEA Failure Mode and Effect Analysis
- KCC Key Control Characteristic
- KPC Key Product Characteristic
- PFMEA Process Failure Mode and Effect Analysis
- PPAP Produce Part Approval Process
- QFD Quality Function Deployment
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APQP?? ???????
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PFMEA (???????)
??RPN??????
DFMEA
17 FMEA ???
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18 FMEA ?????
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19 FMEA ??
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20 ???FMEA ??
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21FMEA ?????
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22FMEA ?????
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23FMEA ???????
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24FMEA ???????/??
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25???? Brainstorming
- ?????????,???????????????????,?????????
??Alex F Osborn?1930???,???????????,?????????????,
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26???? Brainstorming
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27???? Brainstorming
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28??FMEA ????
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29??FMEA ????
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30????
- DFMEA???
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- PFMEA???
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31??
DFMEA??? PFMEA???
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32?????? RPN
- RPN ( S ) x ( O ) x ( D )
- SSeverity ???
- OLikelihood of Occurrence ??
- DLikelihood of Detection ???
33RPN ??
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DFMEA
PFMEA
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34FMEA???
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35??????????????
- Design Failure Mode and Effect Analysis
36DFMEA ??
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37DFMEA??
38DFMEA???
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39DFMEA???
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40DFMEA?????
- DFMEA?????,?????????,???????????????????????/?
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41DFMEA?????
- ????DFMEA ?,???????????????????????????????
- FMEA?????????????????????,??????????????
42???DFMEA
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43DFMEA???
- DFMEA????????,?????????????????
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44DFMEA???
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46DFMEA????
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48 DFMEA???
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????FMEA
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49(No Transcript)
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?? ?????/??????????????????(75??)???????? 4
?? ?????/?????????????50??????????? 3
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54??
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??????? 100?,??1000??/?? 10
??????? 50?,??1000??/?? 9
?????? 20?,??1000??/?? 8
?????? 10?,??1000??/?? 7
??????? 5?,??1000??/?? 6
??????? 2?,??1000??/?? 5
??????? 1?,??1000??/?? 4
?????????? 0.5?,??1000??/?? 3
?????????? 0.1?,??1000??/?? 2
?????????? 0.010?,??1000??/?? 1
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62PFMEA??
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63PFMEA???
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64PFMEA?????
- PFMEA?????,????????, ????????????????,????????
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65PFMEA?????
- ????PFMEA ?,?????????????????????????????
- FMEA?????????????????????,??????????????
- ??????FMEA???????
66???PFMEA
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67PFMEA???
- PFMEA?????????????????
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68PFMEA???????????
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69PFMEA???????????
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70PFMEA???????????
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71PFMEA???????????
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72PFMEA????
??? ?? ?? ?? ?? ?? ???? ? ? ??????/KCC ?? ???? ??/KPC
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73??FMEA??
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?? ?? ?? ?????????????????????????/??????????????,????????? ????????????(?????)??????? 10
?? ?? ?? ?????????????????????????/??????????????,????????? ????????????(?????)??????? 9
?? ??/??????(??????) ?100?????????,????/??????????1?????? 8
? ??/????????????? ???????? ????????????(??100)???,??????????????????0.5-1????? 7
78???
?? ??/?????,????/?????????? ?????? ????(??100)????????,????????/????????????0.5??? 6
? ??/?????,????/?????????????? ?100?????????????/???????,??????????? 5
?? ?????/??????????????(75??)???????? ?????????,????,?????(??100)???? 4
?? ?????/????????????50????????? ???(??100)?????????,????,???????????? 3
??? ?????/??????????????????(25??)?????? ?????(??100)??????,???,??????????? 2
? ??????? ?????????????????????? 1
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80??
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??????? 100?,?1000? 10
??????? 50?,?1000? 9
?????? 20?,?1000? 8
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??????? 5?,?1000? 6
??????? 2?,?1000? 5
??????? 1?,?1000? 4
?????????? 0.5?,?1000? 3
?????????? 0.1?,?1000? 2
?????????? 0.01?,?1000? 1
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A?? B?? C????
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? ??????????? X X ?????????,????????????????????????????????????????? 3
?? ?????????? X X ?????????(?????????)???????????? 2
?? ?????? X ???????????/???????????,???????????? 1
83- Failure Mode and Effect Analysis
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