PFMEA-失效模式分析案例

Co.,Ltd.(PROCESS FMEA)Item 项目名称：Page no.页码：共19页Model Year/Vehicle:Responsibility责任部门：Prepared by 制作：Core Team 核心小组：Key Date 关键日期：过程项目潜在的潜在的严Ｓ级潜在的频Ｏ现行制程预防控制现行制程侦测措施难ＤR 建议的措施责任与目标效果确认Action Results&功能要求失效模式失效结果重Ｅ失效原因与机理度ＣCurrent ControlCurrent Control检ｅP Recommended 完成日期S O D R Process Descpription Potential Potential度Ｖ别Potential 数ＣPreventionDetection度ｔNAction(s)Res.&Tar.采取的措施e c e P &Process Purpose Failure ModeEffect(s) of FailureCause(s) of FailureCompletion DateAction TakenvctNParts incoming 部品受入过程1. Receiving parts poor appearance function error 7handling carelessly by 2None 1 visual check by warehouseman & IQA 2None 1.接收部品on carton or packing NG operator or due to delivery 无1 由仓管员及IQA 目视检查无纸箱的有形损坏功能或装置不良操作或运输过程中的过失操作2 visual check by PK01 station 72 包装工位目视检查actual qty unmatched with can't complete this lot 7handling carelessly by 2None check by warehouseman & IQA 4None supplier's invoice 无法完成该批量的产品operator or due to delivery 无由仓管员及IQA 核对发票上的数量6无部品数量与供应商操作或运输过程中的过失操作的发票不符2.Incoming inspection oversight on inspection NG parts released to 6incoming part released to 2rule of incoming inspection 1 check by part using station 2None 2.受入检查漏检product line 4warehouse without release 受入检查规定1 部品使用工位来料检查7无(IQC)错误或不良品stamp of IQA2 cosmetic check 100%流到生产线无受入检查印章部品入了库2 100%进行外观检查NG parts released to 6 1 miss operating 2qualification training on 4None product line4 1 操作失误inspection 3无检查员资格培训2 don't point out inspection item in inspection document 2 检验指导书没有明确的指出检测点21 add inspection items in document1 追加检验指导书中没有的检验点2 IQC re-inspect all parts in warehouse 2 在库品IQC 全部重检3 refer detail in report SCAR07-OM-005 and SCAR 07-OM-0033 详见编号为SCAR 07-OM-005 and SCAR 07-OM-003中的报告100% fuction check 后段工位多重100%进行功能测试3None 无3 tester failure 23None 3 测定器失效4无3. Part storage Part Shortage can't complete this lot 7mistake input by warehouseman 2None check parts list by warehouse 4None 3.部品入库/储藏缺少部品无法完成该批量的产品1仓管员输入错误无仓库核对入库清单6无check parts list by materiel people 物料员核对入库清单part rustiness function error 7temperature/humidity out of 2 1.temperature/humidity control 2None /ESD destroy 功能不良standard 1.温湿度管理规定4无部品生锈/ESD 破坏温湿度超标2.ESD control作业准备时点检温湿度表2.静电管理规定4. Part supplyed to part supplyed wrongly product line stop 7mistake parts by warehouseman 2mark part location and making check part list and BOM 4None product line 发错料生产线停产1or part list wrong special control on similar parts 检查发料清单,核对BOM 表无4.发料到生产线发料员在仓库拿错料对部品放置区域作相关标识发料单制作错误对类似品作特殊管理part'surface scrape in transport process 部品刮伤poor appearance外观不良(面板,旋钮表面刮伤）641 rub between parts and packing materiel1 部品在运输过程中与自身的包装材料摩擦21 requset vender improve packing materiel1 要求供应商修改部件的包装材料2 refer detail in report PR-07-082 详见PR-07-08报告1 inspect parts before assemble 1 部品组装前检验2 cosmetic check 100%2 外观100%检验47None 无100% fuction check 后段工位多重100%进行功能测试check temperature/humidity at the begin of workoverview NG未检出不良错误或不良品流到生产线96285656365696244828有限公司工 程 潜 在 的 失 效 模 式 与 效 果 分 析CLASS风险优先率FMEA date 日期（编制）：emendation on equipments yearly 仪器校正每年一次equipments maintain monthly 设备的月度保养check equipments at the begin of work作业准备时测量66Co.,Ltd.(PROCESS FMEA)Item 项目名称：Page no.页码：共19页Model Year/Vehicle:Responsibility 责任部门：Prepared by 制作：Core Team 核心小组：Key Date 关键日期：过程项目潜在的潜在的严Ｓ级潜在的频Ｏ现行制程预防控制现行制程侦测措施难ＤR建议的措施责任与目标效果确认Action Results&功能要求失效模式失效结果重Ｅ失效原因与机理度ＣCurrent ControlCurrent Control检ｅPRecommended 完成日期SO D R Process Descpription Potential Potential度Ｖ别Potential 数ＣPreventionDetection度ｔN Action(s)Res.&Tar.采取的措施e c e P &Process Purpose Failure ModeEffect(s) of Failure Cause(s) of Failure Completion DateAction TakenvctN有限公司工 程 潜 在 的 失 效 模 式 与 效 果 分 析C LA S S风险优先率FMEA date 日期（编制）：bel print print badness difficult to trace 4operating NG 2training operator label scan.条码扫描比对2None 5．标签打印打印不良批量不易追溯1作业不良培训作业员无equipment NG 2check and maintain equipment daily check 2None 设备故障点检,保养日常点检无label scan.条码扫描比对CDR MECHA 准备工程PCB's surface scrape 主基板表面划伤function error 功能不良87PCB scrape by hardness in process作业过程中硬物刮伤2forbid operator wear ring or other hardness作业员禁止带戒指等硬物作业1 100% visual check 1 100%目视检查2 next station 100% function check 2 后续多层工位100%功能视检查43none 无ESD destroy electrical function7operator not wearing 2use ESD cleaner to get rid of ESD1.daily check before line start 2None ESD 破坏failuredESD band使用离子风机消除静电1.每天开始生产前检查4无电器性能破坏作业员没有佩带静电带2.check ESD of operating areas 2.作业区域静电检查oversight on inspection 漏检NG parts released to product line,result inproduction function fail as can't workable or instability不良品流到生产线,造成产品功能不良87parts put into next station without inspection because of miss operating of operator作业员失误,部件没有检查就流到下个工位2dispart the checked parts and without check parts检查过和未检查的部品分开放置if parts have checked ,will make a mark on it在已经检查过的部品上打点确认100% fuction check后续多层功能测试工位100%检查100% visual check on parts using station在部件的使用工位100%检验有无该标识43none 无`NG parts released to 6 1 miss operating 2qualification training on 4None product line4 1 操作失误inspection 3无检查员资格培训2 tester failure 2emendation on equipments emendation list of equipments 3None 2 测定器失效仪器校正仪器校正清单无100% fuction check 后段100%进行功能测试FT 测试搜索敏感性的参数设置不正确产品误判(搜索不停台）2参数设置过严,造成产品在正常的状态下无法实现搜索停台的功能2搜索停台的控制规格设定为35.3dbuvemffuction check后续工位功能检查4搜索停台的控制规格更改设定为36.7dbuvemf生技日期: 2007/06/20完成负载盒上开关位置拨错产品误判(搜索不停台）2作业员误操作将负载盒上的"TNS"开关由"on"拨到"OFF"造成产品在正常的状态下无法实现搜索停台的功能2生技设备月度保养工作准备时作业员的点检41 负载盒上追加开关位置标识2 将负载盒上的ACC 开关移到治具上,避免作业员在负载盒上作业生技日期: 2007/06/11完成7. fix main PCB to chassis module chassis isNG assembly 7handling carelessly by 2None 2None &screwing out of shape 错误装配4operator or due to delivery 无7无( ST:A-01)模块变形操作或运输过程中的过失操作由仓管员及IQA 目视检查7.组装主基板至五金支架check by hisself &打螺丝对来料进行自检查NG assembly fixing NG 7pressure not enough 2use cylinder jig check pressure daily and when 4None 错误装配组装不到位4压力不够用气缸治具model changed无每天或换机种时检查气压fixing to wrong location 2training operator 100% visual double check 4None 放入位置不正确培训作业员100%双重目视检查7无screw loose/tighten rattle noise heard when 6screw driver torque too small 2use torque meter to control check torque daily and when 4None 螺丝松动或过紧shaking due to loose 4螺丝刀扭力过小torquemodel changed无松动，摇晃时有杂音用扭力计控制扭力每天或换机种时检查扭力slide occurred due to 6screw driver torque too big 2use torque meter to control check torque daily and when 4None tighten 4螺丝刀扭力过大torquemodel changed无过紧，滑牙用扭力计控制扭力每天或换机种时检查扭力stick sheet to wrong can't load CD 7miss operating 2 1.training operator 100% visual double check 4None location不能进碟操作错误1.培训作业员100%双重目视检查7无碟仓绒布贴附位置不正确2.process sheet 2.作业指导书100% fuction check 后段多层工位100%进行功能测试visual check by warehouseman & IQA 1616286456566456283616564848错误或不良品流到生产线，486. inspect main PCB (ST:PT01)6. main PCB 部件检验overview NG 未检出不良6Co.,Ltd.(PROCESS FMEA)Item 项目名称：Page no.页码：共19页Model Year/Vehicle:Responsibility责任部门：Prepared by 制作：Core Team 核心小组：Key Date 关键日期：过程项目潜在的潜在的严Ｓ级潜在的频Ｏ现行制程预防控制现行制程侦测措施难ＤR建议的措施责任与目标效果确认Action Results&功能要求失效模式失效结果重Ｅ失效原因与机理度ＣCurrent ControlCurrent Control检ｅPRecommended 完成日期SO D R Process Descpription Potential Potential度Ｖ别Potential 数ＣPreventionDetection度ｔNAction(s)Res.&Tar.采取的措施e c e P &Process PurposeFailure ModeEffect(s) of Failure Cause(s) of Failure Completion DateAction TakenvctN有限公司工 程 潜 在 的 失 效 模 式 与 效 果 分 析C LASS 风险优先率FMEA date 日期（编制）：PCB crack/scratch function error 7miss operating 21.training operator 100% visual check 4None PCB 断裂/ 划伤功能不良操作失误1.培训作业员100%目视检查3无2.jig for avoiding missing 2.防呆治具incoming part NG 2PCB cosmetic check incoming inspection 2None 来料不良PCB 板外观检查受入检查3无100% check fuction repeatedly 后段多层工位100%进行功能测试forget to stick heatNG assembly 7miss operating 21.manage by quantity 100% visual check by hisself 4None sink sheet to PCB 错误装配4操作错误1 数量管理100%目视自检8无漏贴散热胶布至PCB2.process sheet 2.作业指导书ESD destroy electrical function7operator not wearing 2use ESD cleaner to get rid of ESD1.daily check before line start 2None ESD 破坏failuredESD band使用离子风机消除静电1.每天开始生产前检查4无电器性能破坏作业员没有佩带静电带 2.check ESD of operating areas 2.作业区域静电检查space between panel fixing NG 3block of fixing jig shifted 2 1.check this item when monthly 1 visual check by hisself after 3None bottom and chassis 组装不到位面板底盖定位块的位置发生偏移maintenanceassemble 7无is too big when 1.治工具月度维护时重点检查此项目1 组装后自检assembly2 next station check 组装时面板底盖与五金支架 2 后工位检查之间间隙过大screw of jig loosed NG assembly 3the screw is used to fix the 21.check this item when monthly 1 visual check by hisself after 3None 治具螺丝松动错误装配pillar of cylinder and pillar maintenanceassemble 7无of press,it's easy to become 1.治工具月度维护时重点检查此项目1 组装后自检loose when using2 next station check 该螺丝用于连接汽缸杆与受力杆， 2 后工位检查使用中易松动post beside sheet leather NG assembly 3this item is not treated as2None 1.IQC added this item to inspection 4None plate of bottom panel 错误装配important item when inspection 无process sheet无is anamorphicIQC 检查时未将此项列入重点检查 1.IQC 将此项列入受入检查的重点检查项目面板底盖贴附碟仓绒布处项目2.100% visual inspection 支柱变形2.100%目视检查螺丝刀碰伤主基板回路功能不良(AM 无反应）7治具上有多余的孔,作业员锁螺丝时打错位置,将主基板上的回路钻断2治具上的螺丝孔位有标识100% function check 100% 功能检查4治具改造,将治具上多余的孔位去除生技日期：2007/08/07完成100% check fuction repeatedly 后段多层工位100%进行功能测试56181824562828563Co.,Ltd.(PROCESS FMEA)Item 项目名称：Page no.页码：共19页Model Year/Vehicle:Responsibility责任部门：Prepared by 制作：Core Team 核心小组：Key Date 关键日期：过程项目潜在的潜在的严Ｓ级潜在的频Ｏ现行制程预防控制现行制程侦测措施难ＤR建议的措施责任与目标效果确认Action Results&功能要求失效模式失效结果重Ｅ失效原因与机理度ＣCurrent ControlCurrent Control检ｅP Recommended 完成日期SO D R Process Descpription Potential Potential度Ｖ别Potential 数ＣPreventionDetection度ｔNAction(s)Res.&Tar.采取的措施e c e P &Process Purpose Failure ModeEffect(s) of FailureCause(s) of Failure Completion DateAction TakenvctN有限公司工 程 潜 在 的 失 效 模 式 与 效 果 分 析CLASS风险优先率FMEA date 日期（编制）：1 shock top cover by operator's mistake and make distortion of CD module1 作业动作过失磨擦上盖导致机芯变形4can not superpose CD module in check process 检测过程中不能叠放1 100% function check2 100% visual check 1 100% 功能检查2 100% 目视检查23None 无2 Test CD dirty 2 碟片赃污4check and maintain Test CD before operation作业员作业前先进行光盘点检function check 功能检查23None 无CD module'axes lock CD 机芯前轴卡住CD 碟function errer(CD is not workable and feedback)功能不良(无法读碟）87shock parts and make distortion of CD module 部品碰撞变形4check appearance 检查确认外观100% function check 功能检查23None 无oversight on inspection 漏检NG parts released to product line,result inproduction function fail as can't workable or instability不良品流到生产线，87parts put into next station without inspection because of miss operating of operator作业员失误,部件没有检查就流到下个工位2dispart the checked parts andwithout check parts检查过和未检查的部品分开放置if parts have checked ,will make a mark on it在已经检查过的部品上打点确认100% fuction check后续功能测试工位100%检查100% visual check on parts using station在部件的使用工位100%检验有无该标识3none 无NG parts released to 6 1 miss operating 2qualification training on 4None product line41 作业员失误，inspection 3无错误或不良品流到生产线，检查员资格培训22 tester failure 23None 2 测定器失效4无not fix FFC steady function error8miss operating 21.make jig to insert FFC 3None 功能不良(FR,RR 声道无输出）7作业员过失1.制做FFC 排线插入治具6无insert FFC flatly function error7miss operating 21.training operator 100% visual check 4None FFC 未水平插入功能不良作业员过失1.培训作业员100%目视检查并打点确认6无2.process sheet 2.作业指导书治具排线端子与机芯接触不良产品误判(按出碟键无反应）7治具上的FFC 排线多次使用后磨损,造成与机芯接触不良2将FFC 排线列为易损件,每月进行更换fuction check后续工位功能检查3治具改造,在治具上追加FFC 排线快速夹子生技日期: 2007/06/18完成1.training operator 9.insert FFC&SCD module spring of mecha fall off function error 7miss operating 2 1.培训作业员100% visual inspection 4None preparation&bracket screwing 机芯弹簧脱落功能不良操作错误100%目视检查3无(ST: A-02)fuction check 9.FFC 排线插入&机芯准备＆后续工位功能检查 机芯支架打螺丝incoming part NG 2None incoming inspection 2None 来料不良无受入检查无100% fuction check 后续工位功能检查ESD destroy electrical function8Operator not wearing 2use ESD cleaner to get rid of ESD2None ESD 破坏failured7ESD band使用离子风机消除静电4无电器性能破坏作业员没有佩带静电带作业前检查静电screw loose/tighten rattle noise heard when 6screw driver torque too small 2use torque meter to control check torque daily and when 4None 螺丝松动/过紧shaking due to loose 4螺丝刀扭力过小torquemodel changed无松动，摇晃时有杂音用扭力计控制扭力每天或换机种时检查扭力2.add correct method to carry CD module process sheet2.作业指导书追加机芯的正确握取方法2.add the correct method of insertting FFC into process sheet2.在作业指导书内追加FFC 排线的正确插入方法1.100% visual inspection after FFC was inserted, and add mark on FFC cable,1.FFC 插入后100%目视检查,检查ok 后在FFC 排线上打点做标识，2 check mark 100% next station 2 后工位在100%目测检查标识56100% fuction check后续功能测试工位100%检查check ESD of operating areas befor line start646464485664test CD can not insert into SCD module CD 机芯不入碟function errer 功能不良874828FFC 未固定(没有扣上 固定FFC 排线的固定扣）8. inspect SCD module (ST:PT-02)8. CD 机芯部件的检查overview NG 未检出不良325636emendation on equipments yearly 仪器校正每年一次equipments maintain monthly 设备的月度保养check equipments at the begin of work 始业点检64Co.,Ltd.(PROCESS FMEA)Item 项目名称：Page no.页码：共19页Model Year/Vehicle:Responsibility责任部门：Prepared by 制作：Core Team 核心小组：Key Date 关键日期：过程项目潜在的潜在的严Ｓ级潜在的频Ｏ现行制程预防控制现行制程侦测措施难ＤR 建议的措施责任与目标效果确认Action Results&功能要求失效模式失效结果重Ｅ失效原因与机理度ＣCurrent ControlCurrent Control检ｅP Recommended 完成日期SO D R Process Descpription Potential Potential度Ｖ别Potential 数ＣPreventionDetection度ｔNAction(s)Res.&Tar.采取的措施e c e P &Process PurposeFailure ModeEffect(s) of Failure Cause(s) of Failure Completion DateAction TakenvctN有限公司工 程 潜 在 的 失 效 模 式 与 效 果 分 析C LASS风险优先率FMEA date 日期（编制）：slide occurred due to6screw driver torque too big 2use torque meter to control check torque daily and when 4None tighten 4螺丝刀扭力过大torquemodel changed无过紧，滑牙用扭力计控制扭力每天或换机种时检查扭力can not fix screw to fixing NG 7torque is to small(5±2kgf)3increase torque to 6.75±1.25 1.check torque daily and when 2None bracket组装不到位4螺丝刀设定力矩规格过小kgf base on technical spc and model changed3无机芯防尘支架螺丝打不进test result,and revised CP and 1.每天或换机种时检查扭力process sheet2.operator confirms screwing well 根据设计规格和实际打螺丝测试结after fixing结果,将力矩调至.75±1.25 kgf,并 2.作业员组装完毕后100%目视检查螺丝修订控制计划和作业指导书打入良好10. bracket-m screwing &fix螺丝松动/过紧shaking due to loose 6螺丝刀扭力过小torquemodel changed4None shield case&fix FFC holder&松动，摇晃时有杂音4用扭力计控制扭力每天或换机种时检查扭力无stick cushion dustproof (ST: A-03)slide occurred due to 6screw driver torque too big2use torque meter to control check torque daily and when 4None 10.机芯支架打螺丝&防护盖组装＆tighten 4螺丝刀扭力过大torquemodel changed无FFC 支架组装&防尘胶布贴附过紧，滑牙用扭力计控制扭力每天或换机种时检查扭力ESD destroyelectrical function 8operator not wearing 2use ESD cleaner to get rid of ESD1.daily check before line start 2None ESD 破坏failured7ESD band使用离子风机消除静电1.每天开始生产前检查4无电器性能破坏作业员没有佩带静电带 2.check ESD of operating areas 2.作业环境静电检查forget to fix FFC holder NG assembly 7miss operating 2 1.training operator 100% visual double check 4None FFC 支架漏装错误装配4操作错误1.培训作业员100%双重目视检查7无2.process sheet2.作业指导书forget to stick cushion NG assembly 7miss operating 2 1.training operator 100% visual check 4None dustproof to bracket错误装配4操作错误1.培训作业员100%目视检查8无漏贴防尘胶布至机芯支架2.process sheet 2.作业指导书not combine two ofNG assembly 7miss operating21.training operator 100% visual check 4None dustproof completely 错误装配4操作错误,操作后未做压紧动作1.培训作业员100%目视检查8无防尘胶布接合处不紧密 2.process sheet update2.修改作业指导书(追加NG 和OK 品FFC fixing NG function error 7miss operating 2None 4None 排线组装不到位功能不良操作错误无2无not fix FFC steady function error 7miss operating 2 1.training operator 4None FFC 未固定功能不良操作错误1.培训作业员6无2.process sheet2.作业指导书check by fixture 用治具检查FFC holderNG fixing 7miss operating 21.培训作业员100%目视检查4None 排线未放入排线支架错误装配4操作错误2.process sheet 8无2.作业指导书3 using fixture3 应用治具进行固定sheet which is used tofunction error8miss operating2training operator 100% visual inspection 4none connect FFC and main PCB 功能不良(机芯不动作）7操作错误,操作后未做压紧动作培训作业员100%目视检查8无is not sticked firmly add this item as notice point FFC 与基板连接胶布未贴紧into process sheet将此项目作为作业注意点追加至作业指导书100% double visual check and make a mark on ok product双重目视检查和打点确认check by fixture 用治具检查100% double visual check and make a mark on ok product双重目视检查和打点确认4256485648325664565656255Co.,Ltd.(PROCESS FMEA)Item 项目名称：Page no.页码：共19页Model Year/Vehicle:Responsibility责任部门：Prepared by 制作：Core Team 核心小组：Key Date 关键日期：过程项目潜在的潜在的严Ｓ级潜在的频Ｏ现行制程预防控制现行制程侦测措施难ＤR 建议的措施责任与目标效果确认Action Results&功能要求失效模式失效结果重Ｅ失效原因与机理度ＣCurrent ControlCurrent Control检ｅP Recommended 完成日期SO D R Process Descpription Potential Potential度Ｖ别Potential 数ＣPreventionDetection度ｔNAction(s)Res.&Tar.采取的措施e c e P &Process PurposeFailure ModeEffect(s) of Failure Cause(s) of Failure Completion DateAction TakenvctN有限公司工 程 潜 在 的 失 效 模 式 与 效 果 分 析C LASS风险优先率 FMEA date 日期（编制）：11. fix assy module to chassisESD destroy electrical function8operator not wearing 2use ESD cleaner to get rid of ESD1.daily check before line start 2None &heat sink preparation ESD 破坏failured7ESD band使用离子风机消除静电1.每天开始生产前检查4无11.机芯模块组装至底盖＆电器性能破坏作业员没有佩带静电带 2.operation condition ESD check 散热板准备 2.作业环境静电检查(ST:A-04)screw loose/tighten rattle noise heard when 6screw driver torque too small 2use torque meter to control check torque daily and when 4None 螺丝松动/过紧shaking due to loose 4螺丝刀扭力过小torquemodel changed无松动，摇晃时有杂音用扭力计控制扭力每天或换机种时检查扭力slide occurred due to 6screw driver torque too big 2use torque meter to control check torque daily and when 4None tighten 4螺丝刀扭力过大torquemodel changed无过紧，滑牙用扭力计控制扭力每天或换机种时检查扭力12.panel rear & heat sink screw loose/tighten rattle noise heard when 6screw driver torque too small 2use torque meter to control check torque daily and when 4None screwing 螺丝松动/过紧shaking due to loose 4螺丝刀扭力过小torquemodel changed无12.后盖&散热板打螺丝松动，摇晃时有杂音用扭力计控制扭力每天或换机种时检查扭力(ST:A-05)slide occurred due to 6screw driver torque too big 2use torque meter to control check torque daily and when 4Nonetighten 4螺丝刀扭力过大torquemodel changed无过紧，滑牙用扭力计控制扭力每天或换机种时检查扭力skid of screw 螺丝打滑rattle noise heard when shaking due to loose机台摇晃时有杂音,螺丝不紧易掉落641 oprator isn't upright to lock screw1 作业员没有垂直打螺丝2 strength of screw is 8.0+-1kgf.cm which is excess2 螺丝刀扭力8.0+-1kgf.cm 规格过大21 use torque meter to control torque1 用扭力计控制扭力2 defind the method of using screwdriver2 电动螺丝刀使用方法定义3 defind the strength of screw detail as 5±1kgf.cm 3 重新定义螺丝扭力为：5±1kgf.cm1 voice/cosmetic station 100% check 1 外观工位100%异音/目视检查47None 无48484848324856Co.,Ltd.(PROCESS FMEA)Item 项目名称：Page no.页码：共19页Model Year/Vehicle:Responsibility责任部门：Prepared by 制作：Core Team 核心小组：Key Date 关键日期：过程项目潜在的潜在的严Ｓ级潜在的频Ｏ现行制程预防控制现行制程侦测措施难ＤR 建议的措施责任与目标效果确认Action Results&功能要求失效模式失效结果重Ｅ失效原因与机理度ＣCurrent ControlCurrent Control检ｅP Recommended 完成日期SO D R Process Descpription PotentialPotential度Ｖ别Potential数ＣPreventionDetection度ｔNAction(s)Res.&Tar.采取的措施e c e P &Process Purpose Failure ModeEffect(s) of FailureCause(s) of Failure Completion DateAction TakenvctN有限公司工 程 潜 在 的 失 效 模 式 与 效 果 分 析C LASS风险优先率FMEA date 日期（编制）：13.panel top screwing and screw loose/tighten rattle noise heard when 6screw driver torque too small 2use torque meter to control check torque daily and when 4None labeling&Visual Inspection 螺丝松动/过紧shaking due to loose 4螺丝刀扭力过小torquemodel changed无13.上盖打螺丝&贴标签&外观检查松动，摇晃时有杂音用扭力计控制扭力每天或换机种时检查扭力(ST:A-06)slide occurred due to 6screw driver torque too big 2use torque meter to control check torque daily and when 4None tighten4螺丝刀扭力过大torquemodel changed无过紧，滑牙用扭力计控制扭力每天或换机种时检查扭力assembly NG NG fixing 7miss operating 2operate by fixture 100% visual check 4None 组装不到位错误装配4操作错误用治具按压100%目视检查8无pressure not enough2use cylinder jig 100% visual check 4None 压力不够用气缸治具100%目视检查8无forget to stick label poor appearance 6operator carelessness 2training operator 100% double visual check 4None 标签漏贴外观不良4操作员过失培训作业员100%双重目视检查7无rear screw of cd-ch looseparts fall off 7incoming parts NG 2none 100% double visual check 2None 机芯尾部螺丝松动部品脱落来料不良无100%多重目视检查7无screw high-up poor appearance 6operator oversight 2none 100% double visual check 4None 螺丝未完全打入外观不良4作业员漏检无100%多重目视检查5无FA02工位100%进行螺丝紧固确认14. SPRING CLEAN less than clean time corrode plastic knob 6operating NG 2none use timer to control clear time 2None 14．弹簧片清洗(2 minutes)腐蚀塑胶旋钮作业不良无用计时器控制清洗时间无（ST-S1）少于清洗规定时间(2分钟）PCB's surface scrapePCB 表面划伤function error基板功能不良7PCB scrape by hardness in process作业过程中硬物刮伤2forbid operator wear ring or other hardness作业员禁止带戒指等硬物作业function double check 后续工位功能检查3ESD destroy electrical function 7operator not wearing 2use ESD cleaner to get rid of ESD1.daily check before line start 2NoneESD 破坏failuredESD band使用离子风机消除静电1.每天开始生产前检查无电器性能破坏作业员没有佩带静电带2.check ESD of operating areas 2.作业区域静电检查oversight on inspection 漏检NG parts released to product line,result inproduction function fail as can't workable or instability不良品流到生产线,造成产品功能不良84parts put into next station without inspection because of miss operating of operator作业员失误,部件没有检查就流到下个工位2dispart the checked parts and without check parts检查过和未检查的部品分开放置if parts have checked ,will make a mark on it在已经检查过的部品上打点确认100% fuction check后续功能测试工位100%检查100% visual check on parts using station在部件的使用工位100%检验有无该标识43none 无NG parts released to 6 1 miss operating 2qualification training on 4None product line41 操作失误inspection 3无错误或不良品流到生产线，检查员资格培训2 tester failure 23None 2 测定器失效4无开关基板按键损坏功能不良(FM 按键无反应）7进行按键检查时用力太大将基板上的FM 按键压坏2无100% fuction check后续功能测试工位100%检查4SW 检查治具改造,采用机械按压测试代替人手直接按压按键测试生技完成日期:2007/08/31进行中stick to wrong location assembly NG 7miss operating 2sample control 100% double visual check 4None 贴附位置不正确错误装配4操作错误样品管理100%多重目视检查7无forget to stick cushion Poor appearance 6miss operating 2 1.sample control 100% double visual check 4None 胶布漏贴外观不良4作业员疏忽1.样品管理100%多重目视检查7无2.qty control 2.数量管理screw loose button ineffective 7screw driver torque too small 2use torque meter to control check torque daily and when 4None 螺丝松动按键无效螺丝刀扭力过小torquemodel changed无用扭力计控制扭力每天或换机种时检查扭力screw missing button rattle noise heard 6miss operating 3indicate screwing order on bezel use screw counter to control 3None 漏打螺丝按键的晃动声操作错误screwing jig螺丝计数器数量管理2无在前咀治具上注明打螺丝的顺序486448100% fuction check后续功能测试工位100%检查565648283648422415. inspect SW-BD (ST-PT03)15. SW-基板部件检验5654overview NG未检出不良(引脚连锡,电子元件损坏）check equipments at the begin of work 始业点检4828564856emendation on equipments yearly仪器校正每年一次equipments maintain monthly 设备的月度保养6Co.,Ltd.(PROCESS FMEA)Item 项目名称：Page no.页码：共19页Model Year/Vehicle:Responsibility 责任部门：Prepared by 制作：Core Team 核心小组：Key Date 关键日期：过程项目潜在的潜在的严Ｓ级潜在的频Ｏ现行制程预防控制现行制程侦测措施难ＤR建议的措施责任与目标效果确认Action Results &功能要求失效模式失效结果重Ｅ失效原因与机理度ＣCurrent ControlCurrent Control检ｅPRecommended 完成日期S O D R Process Descpription Potential Potential度Ｖ别Potential 数ＣPreventionDetection度ｔNAction(s)Res.&Tar.采取的措施e c e P &Process Purpose Failure ModeEffect(s) of Failure Cause(s) of Failure Completion DateAction TakenvctN有限公司工 程 潜 在 的 失 效 模 式 与 效 果 分 析C L A S S风险优先率 FMEA date 日期（编制）：16.HARMAL&SHEET FIXING stick to wrong location button function failured 7miss operating 2jig with hole openned to avoid 100% visual check 4None 16.润滑及胶布贴附涂油位置错误按键性能不良操作错误missing100%目视检查8无(ST-B1)防呆治具以预防stick to wrong location assembly NG 7miss operating 2sample control 100% visual check 4None 贴附位置不正确错误装配4操作错误样品管理100%目视检查8无sheet leakage poor appearance 6operator carelessness 2 1.sample control 100% visual check 4None 胶布漏贴外观不良4作业员疏忽1.样品管理100%目视检查8无2.qty control 2.数量管理17.BEZEL ASSY-1bezel scratch poor appearance 6handling carelessly 2use plastic cover to protect 100% double visual check 4None (SCREWING PROCESS)前咀有擦伤外观不良4不小心掉落　用塑料盖保护前咀100%双重目视检查7无17.开关基板打螺丝(ST-B2)screw drops into bezel foreign material 6handling carelessly 2fix cover used to cover unit 100% rattle noise check at 4assy during screwing (rattle noise)4during screwing on screwing jigFPA station 3None 打螺丝时，螺丝掉进前咀有异物（卡嗒声）打螺丝时过失操作在螺丝治具上安装防护盖FPA 工程100%检查无screw loose button ineffective 7screw driver torque too small 2use torque meter to control check torque daily and when 4None 螺丝松动按键无效螺丝刀扭力过小torquemodel changed无用扭力计控制扭力每天或换机种时检查扭力screw missing button rattle noise heard 6miss operating 3indicate screwing order on bezel use screw counter to control 3None 漏打螺丝按键的晃动声4操作错误screwing jig螺丝计数器数量管理2无在前咀治具上注明打螺丝的顺序ESD destroy electrical function8operator not wearing 2use ESD cleaner to get rid of ESD1.daily check before line start 2None ESD 破坏failures 7ESD band使用离子风机消除静电1.每天开始生产前检查4无电器性能破坏作业员没有佩带静电带2.check ESD of operating areas 2.作业区域静电检查SW PCB scratch NG product accured 7incoming part NG 2None 1 100% function double check 4None 开关基板划伤功能不良来料不良无1 后续工位多重100%功能检查3无screwing hole for avoiding 1improve screwing hole of jig 1 100% function double check 4None missing too big打螺丝治具的螺丝孔的改善 1 后续工位多重100%功能检查3无打螺丝治具的防呆孔偏大SW PCB crack VOL button not response 821 100% function check 4开关基板断裂音量旋钮无反应71 后续工位100%功能检查34856484854563228SW BD and bezel poorassemble, extrusion happening when lock screw result in the crack of SW BD开关基板于面板没有完成组合,开关基板上的螺丝孔位和面板上的螺丝孔位没有对准,打螺丝时挤压造成开关基板断裂None 无6456561 add this item as important in into process sheet1 在作业指导书追加该动作none2 add press action after assemble SW-BD and panel2 在开关基板和面板组合后确认是否对准35。