周期过长。1U
seque
cei
a
doutstore2lo
gtermstore材料标识不明确U
clearlabel
2
8
48
NA
NA
40
存放Storage
材料生锈rustofthematerial
2
4
8
64
NA
NA
50
移至生产线MoveMaterialtoProductio
Li
e
材料转移错误mistaketherawmaterial
3
2
8
48
NA
NA
60
∮625±015P200T冲压尺寸超差P200TStampi
gisoutoftolera
ce
偏小
影响客户装配affectcustomerassembly
3
冲孔冲头磨损Thetooli
gpu
chwearsaway
定期维护保养模具2mai
tai
thedieperiodically
8
48
NA
NA
1影响客户使用。2后续磨削无法装夹∮78±025。尺寸超差1affectcustomerisoutoftolera
ceassembly2Ca
otputi
thefixture
3
1冲孔冲头磨损2模具调试中，送料步距不对1Thetooli
gpu
chwearsaway2No
co
formi
gstampi
gstepi
thetooli
gadjustprocess
1定期维护保养模具2隔离调模品，并要求操作工严格按照操作指导书操作。PQC用卡尺抽检1mai
tai
thedie2periodicallyPQCcheckwithVer
ier2Co
tai
theCalipertooli
gadjustpartsa
daskoperatorsfollowtheWIi
theproductio
process
8
48
NA
NA
1of9
f潜在的失效模式及效应分析表POTENTIALFAILUREMODE
过程PROCESSFMEA
项目名称Item硅胶加热片类主要参加人CoreTeamQA部工程部E
gDept序号NO过程功能要求潜在的失效后果潜在的失效模式ProcessFu
ctio
Pote
tialEffectSofPote
tialFailureModeRequireme
tsFailure过程责任部门ProcessRespo
sibility关键日期KeyDate20090907质量部QADept
工ANDEFFECTSANALYSIS
严频潜在的失效原因机理现行过程预防控制级重度Curre
tProcessCo
trolsPote
tialCauses别度数ClassMecha
ismsofFailurePreve
tio
SevOcc
现行过程检测控制Curre
tProcessCo
trolsDetectio

FMEA编号Number页码Page准备人PreparedByFMEA日期Data编制orig20100125修订REV：责任及目标完措施结果Result难风险建议的措施严频难成日期检优先Recomme
dedRespo
sibility重度检度指数Actio
S度数度TargetDetRPNSevOccDetCompletio

风险优先指数RPN
60
P200T冲压P200TStampi
g翻边孔内径过大或者椭圆fla
gi
gholebiggerorsmaller
1车削后导致32549尺寸超差。2内孔车削后无法满足粗糙度要求。1Cause32549outofdieme
sio
2Causetherough
essof32549holeoutofdime
sio

3
1合模高度不对2送料步距不对1No
co
formi
gshutterheight2No
co
formi
gstampi
gstep
1现场放置操作指导书，并且要求操作工严格按照操作指导书操作。22SettheWIsitea
dasktheoperatorsfollowiti
theproductio
process
增加翻边孔控制尺寸318最大并要求操作工按照此尺寸卡尺控制。Addfla
gi
gholediameter318Maxa
dPQCcheckitwithver
iercaliper
8
48
NA
NA
翻边r