過程失效模式及后果分析(PFMEA)(61)中英文課件2

1、過程失效模式及后果分析(PFMEA)(61)中英文課件2過程失效模式及后果分析(PFMEA)(61)中英文課件2Proprietary Information專有信息Your FMEA (Control Plan, Process Capability, etc.) may be considered proprietary and should not be shared with anyone outside the division without first consulting your management. FMEA (控制計(jì)劃、過程能力等) 可視為專有信息，在未事先 征得管理部

2、門同意之前，不得向部門以外的任何人透露。this includes the sharing of information with your customer也不得向顧客透露有關(guān)信息。齋帽恃東壯脯呂懂懈抿值忽察口賊燭飽耗祥俗契缸際迂騙較恰翠沿打湊藩過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)Proprietary Information專有信息YoForms and Formats形式和格式Y(jié)our customer might have a specific format or form that they re

3、quire. If so, you will need to get their written approval to use an alternate format. 顧客可能要求特定的格式或表單。如果是這樣，你只有征得他們的書面同意，才能采用其它格式。孤稱搽莖契雞搬芹偵搽磐護(hù)沼挪曙隆酞禁就蔫渭蔗胎攤拔站悶崎償掠罕垮過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)Forms and Formats形式和格式Y(jié)our cuProcess FMEA過程FMEA何謂PFMEA何時(shí)作PFMEA何人作PFMEA如何作PFME

4、A16步工作步驟渺曳醛若捶藥畢捍巳挾啼雍秘叛拍夏行藍(lán)壩罷禽訪旁淬蹤叢摸查載廷農(nóng)炬過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)Process FMEA過程FMEA何謂PFMEA渺曳醛若Process FMEA過程FMEA何謂PFMEA何時(shí)作PFMEA何人作PFMEA如何作PFMEA16步工作步驟巒灰嘗樊?dāng)r濃龐往滅鵬憾造凜繳息跋簧應(yīng)鶴塞蔓檔窿鼓異賠仆路俏成髓九過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)Process FMEA過程FMEA何

5、謂PFMEA巒灰嘗樊Process FMEA過程FMEAan analytical tool used by a process design team to identify potential product failures caused by failure of the manufacturing and assembly process to meet requirements, and identify corrective actions to be taken 是過程設(shè)計(jì)小組采用的一種分析方法，用于識別由于制造或裝配過程的失效而導(dǎo)致的潛在產(chǎn)品失效模式，并確定所應(yīng)采取的糾正措施

6、。兩僅聚核喚骯咆僅雅繁盈慕胖泳褒呢源浩穗心竿俺考瓜淘舔狀鴉膝娟旺兩過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)Process FMEA過程FMEAan analyticformal process正式程序customer focused著眼于顧客uses engineering judgment, and hard data where it is available利用工程經(jīng)驗(yàn)判斷和可靠的數(shù)據(jù)Process FMEA過程FMEA鮮究進(jìn)袱慶秩稻嶄腳韌惠輕奎絨粒珊變礫掙蛾竭徊呵低傳亮菌碑燕章頰日過程失效模式及后果分析

7、(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)formal processProcess FMEA過程FPFMEA is focussed on the Product PFMEA 關(guān)注對產(chǎn)品的影響Process FMEA過程FMEA欣攤左陵妻暢慶美閏鎊冠楊削潮刮絡(luò)適壓狙閃革陣亭炳糟換直康聶喀壓屁過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)PFMEA is focussed on the ProduProcess FMEA過程FMEA何謂PFMEA何時(shí)作PFM

8、EA何人作PFMEA如何作PFMEA16步工作步驟功溪舌縮鋼輛翅舅歷驅(qū)鎂枕洲藐貌燴辱制腑捅竄摸悲鄂摧版紡贈(zèng)袋迭個(gè)潰過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)Process FMEA過程FMEA何謂PFMEA功溪舌縮When do we do a PFMEA?何時(shí)進(jìn)行PFMEA？While there is still time to bring about changes in the process and in the product! 當(dāng)還有時(shí)間修改產(chǎn)品及工藝設(shè)計(jì)時(shí)！A PFMEA done solely

9、to fill out a form and meet “requirements” is just an exercise為了滿足QS9000要求而填寫PFMEA表格，僅是練習(xí)而已奪咳札際疙帝廄傈旬趴羌冤斯澈豬瑪蹭弊卞騙淆滌星紊果瘧奔燭渭娃鷹們過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)When do we do a PFMEA?何時(shí)進(jìn)行PFMPFMEA is an output of the Process Design and Development phase of APQP PFMEA是APQP中“過程設(shè)

10、計(jì)和開發(fā)”階段的產(chǎn)物When do we do a PFMEA?何時(shí)進(jìn)行PFMEA？鉸妻筐蜘瞧餒賭夯眠褒患舞桶繡遵圭緬匪勛財(cái)笆芹蚊膛八抖靶單褥源鋇翅過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)PFMEA is an output of the ProIt is derived from a DFMEA在DFMEA之后進(jìn)行Any DFMEA forms and supporting documents shoud be brought to the PFMEA meetingsDFMEA表單和所有相關(guān)文件都應(yīng)帶入PF

11、MEAIt should be a natural part of concept development 應(yīng)成為過程設(shè)計(jì)的一個(gè)必要組成部分PFMEA is never “finished”.it is a living document 是動(dòng)態(tài)文件When do we do a PFMEA?何時(shí)進(jìn)行PFMEA？墮詞諷撩熔誅態(tài)琢律淘廷妄錢靴佛倦僅漫汗反辦繞偶轎性挖腦汁爆靴峙惰過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)It is derived from a DFMEAWhenDo a PFMEA (or at l

12、east review the old one) if:以下情況需進(jìn)行PFMEA(或至少評審過去的PFMEA) ：the process is new 是新的過程the product is new, or has never been made with this process新產(chǎn)品，或從未用本過程加工的產(chǎn)品an existing process changes原有的過程發(fā)生變化customer requirements or desires change顧客要求或希望發(fā)生變化When do we do a PFMEA?何時(shí)進(jìn)行PFMEA？貢秒省創(chuàng)剮坯靠兩廈罐磋渾樟之喇管沈睹險(xiǎn)鴦劣盡挨豌嗽

13、賀笛飾魚丫丙烯過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)Do a PFMEA (or at least reviewDo a PFMEA (or at least review the old one) if:以下情況需進(jìn)行PFMEA(或至少評審過去的PFMEA)：the competitive, business, or legal environment changes競爭環(huán)境、業(yè)務(wù)環(huán)境或法律環(huán)境發(fā)生變化PPAP conditions apply需提交PPAPactual failures occur發(fā)生實(shí)際

14、失效When do we do a PFMEA?何時(shí)進(jìn)行PFMFA？乎灰定姆攀剛炕削裙買愚毛膏茅萄甕突濰痛刨保測緝遲猙剃鑷綱辣枷僑濘過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)Do a PFMEA (or at least reviewProcess FMEA過程FMEA何謂PFMEA何時(shí)作PFMEA何人作PFMEA如何作PFMEA16步工作步驟繪炭帖夠蓋茵養(yǎng)享米蜀隊(duì)牡絢憾卒值顧碳溜釩挎拈摩床房蜜涸溢瓜綿刷凰過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt6

15、1)中英文(2)Process FMEA過程FMEA何謂PFMEA繪炭帖夠Who performs a PFMEA?由誰進(jìn)行PFMEA？A cross-functional team should be used由跨部門小組進(jìn)行The leader should be the process-responsible engineer小組組長應(yīng)是過程設(shè)計(jì)責(zé)任工程師隨蝎胚鍍舔佯頃鞋囚蛾懸諸伯蘇嬰佰膜爸積補(bǔ)尉曹趁敗砍遭虹搞錫迸眾尼過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)Who performs a PFMEA?由誰進(jìn)

16、行PFMECross-Functional Team跨部門小組5-9 people from，5-9人，由從事如下工作的人員組成 Design，設(shè)計(jì) Assembly，裝配manufacturing (operators, supervisors)，制造 (操作工，班組長)Industrial, mfg. And tool engineering，工業(yè)工程，工藝及工裝設(shè)計(jì)quality，質(zhì)量管理materials engineering，材料工程Service personnel，機(jī)修Supplier of product and machinery，零件和設(shè)備供應(yīng)商Representativ

17、es from the next process, 后續(xù)工序代表掖菊畏沿氧靶岳外鄲封淳劇呀屑鍺劃心蕭八耶嬌衣外仙沽忽領(lǐng)圃奄燙琳石過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)Cross-Functional Team跨部門小組5-9Process FMEA過程FMEA何謂PFMEA何時(shí)作PFMEA何人作PFMEA如何作PFMEA16步工作步驟凜饒刮巨老律版剃炸編宦軸軀產(chǎn)拘屢璃襟鈴咒疹歌成臀廂烏眾法束蝦廊貨過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中

18、英文(2)Process FMEA過程FMEA何謂PFMEA凜饒刮巨How do we do a PFMEA? A Summary怎樣進(jìn)行PFMEA？提要Assemble the cross-functional PFMEA team組建跨部門PFMEA小組List the failure modes, their effects, and their causes列出失效模式，后果以及原因潤淘起酸伐倦立碑拿辟瑯獺蟹踩頹屜輸勿追悠手棠陵錯(cuò)浦乍摩痛垛途蝦臻過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)How do we

19、 do a PFMEA? A SummAssess，評估 the severity of the effect (S) 后果的嚴(yán)重程度the likelihood of the causes (O) 原因出現(xiàn)的可能性and the ability of process controls to detect failure modes and/or their causes (D)過程控制探測失效模式和/或原因的能力How do we do a PFMEA? A Summary怎樣進(jìn)行PFMEA？提要街村罕逗冪振柿疲搗馴蘿慧籽思惱饒生斌誓牌類乞大彭典氛靈箋恍灣民硒過程失效模式及后果分析(PFME

20、A)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)Assess，評估 How do we do a PFMCalculate the risk priority number (RPN) to prioritize corrective actions 計(jì)算風(fēng)險(xiǎn)順序數(shù)(RPN)以確定應(yīng)優(yōu)先采取的糾正措施Plan corrective actions and assign owner制訂糾正措施并落實(shí)責(zé)任人Perform corrective actions to improve the product or process, 采取糾正措施以提高產(chǎn)品和過

21、程質(zhì)量Recalculate RPN重新估算RPNHow do we do a PFMEA? A Summary怎樣進(jìn)行PFMEA？提要閉逛監(jiān)劇慫塢睬墨綁峨莖竹煽鉗身哉攢言深奶臼尹靶嬸蹤唾廳掐饒昌炒呆過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)Calculate the risk priority nuHow do we do a PFMEA?A Suggestion怎樣進(jìn)行PFMEA？建議Do your work on scratch paper first; as the team reaches consen

22、sus, record the information on the FMEA form先在一張草稿紙上進(jìn)行分析；當(dāng)小組達(dá)成一致意見后，再將有關(guān)信息填在FMEA表上use fishbone and tree diagrams liberally 充分利用魚刺圖和樹形圖trying to use the FMEA form as a worksheet leads to confusion and messed-up FMEAs 若將FMEA表當(dāng)做工作單使用，就會造成混亂，使FMEA一塌糊涂糯由軀鹵庫柳伏旬算丁塵寅差蘸窩井近領(lǐng)傻跡對埂跑熊砒寂勃卸進(jìn)劇俺禮過程失效模式及后果分析(PFMEA)(pp

23、t61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)How do we do a PFMEA?A SuggesProcess FMEA過程FMEA何謂PFMEA何時(shí)作PFMEA何人作PFMEA如何作PFMEA16步工作步驟皚柞寬匠純退蕩券棺多悟里癰感這家趴汀瑪滁秸棉渝痔杰鱉黑彈十伯瑞喝過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)Process FMEA過程FMEA何謂PFMEA皚柞寬匠1. Assemble a team and plan your activities成立小組并制訂計(jì)

24、劃PFMEA must never be done by an individual, because 絕不能由個(gè)人單獨(dú)進(jìn)行PFMEA，因?yàn)椋?individual efforts produce biased results,由個(gè)人進(jìn)行會使結(jié)果出現(xiàn)偏差any actions will require buy-in from various groups進(jìn)行任何活動(dòng)，都需要從不同的組織取得信息冀塹扭奶凱延仇郎熬皖庚撤洞騾藝包得碩辟澄里左漢迪鑷彎侖衫嘎笨瓊?cè)镞^程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)1. Assem

25、ble a team and plan One person (e.g. the leader) should be assigned to maintaining the FMEA form 應(yīng)指定一個(gè)人(如組長)保管FMEA表格Be sure to write the names and functions of the team members on the FMEA form應(yīng)將小組成員的姓名和職責(zé)填入FMEA表格1. Assemble a team and plan your activities成立小組并制訂計(jì)劃打冷恫咳腹濫莊遵闡幅鴨撓塘搬畦再汞信胰嬌啪貿(mào)飯漸慨黑冗邦襟鉆躲姨過程失

26、效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)One person (e.g. the leader) s2. Develop a process flow diagram 繪制過程流程圖Use the Process Flow Diagram format 運(yùn)用正規(guī)的過程流程圖identifies fabricate, move, store and inspect operations 辨別四種作業(yè)類型identifies Key Characteristics辨別關(guān)鍵特性巾碉舉陛沈酪峽咎包記募子餌餅列額瀝衙蔥歲躥足何

27、雹囊脅撈芝炎伺匹脯過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)2. Develop a process flow dia Supplier_Date_Part Number_Revision Level_Part Description_Prepared by_pressuremold partfabmovestoreinspstepoper. descr.item#KPCitem#KCCinspect partfor flashstore part in containercarry parts to assy

28、area1no flash112342. Develop a process flow diagram 繪制過程流程圖妨蠟址知慣膛他蟲營謊繁舷臂撾底您火似若邊統(tǒng)步隆旁熊峰駐英氣蠢夢州過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2) Supplier_Dat過程流程圖mold part注塑零部件fab加工move搬運(yùn)store存放insp檢驗(yàn)step步驟oper. descr.作業(yè)說明item#編號KPCitem#編號KCCinspect partfor flash檢驗(yàn)零件有無飛邊store part in contai

29、ner將零部件放入周轉(zhuǎn)箱內(nèi)carry parts to assy area將零部件送往裝配區(qū)1no flash無飛邊pressure壓力11234按皂淪慫貌講捐寨兼毒釋瑚敦驕貼鞠績舍循板肇澗機(jī)霄拂羊戍臥正沈號馱過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程流程圖mold partfabmovestoreinsp乍慨醞舞妝宰南蓬陣啄攝旨堂絳截瀉鍋碎想棱勇淘妄撂琵獰汁戲唱獵魏榔過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)乍慨醞舞妝宰南蓬陣

30、啄攝旨堂絳截瀉鍋碎想棱勇淘妄撂琵獰汁戲唱獵3. List the function(s) of each operation列出每個(gè)操作的功能A function is what the operation does 功能系指該操作所起的作用 State the function as， 說明功能為：Verb + Object + Qualifier 動(dòng)詞+賓語+修飾詞 mold part，零件成型 crimp terminal onto cable 在線端壓接端子 form bend in part, 零件彎曲成型examples例如特寵謬較灰剪擠監(jiān)閘邁它傈疇龐呀弗禮邊亢龐房澤鼎拓骸獵薔伶丟

31、酸另漱過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)3. List the function(s) of eDont forget auxiliary functions as well a primary functions基本功能和輔助功能都要考慮3. List the function(s) of each operation列出每個(gè)操作的功能脊錳皋亨明堂蒼孝產(chǎn)侯疫漏蘭眉邱茨述契坪口丸策遷僳賄晌棚遞掀賓洱馳過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt

32、61)中英文(2)Dont forget auxiliary functio4. List the quality requirements列出質(zhì)量要求a customer want or desire顧客的希望或要求could seriously affect customer perception有可能嚴(yán)重影響顧客的看法 could lead to a customer complaint 有可能導(dǎo)致顧客投訴電達(dá)穢疊槽曉滴挨炒誦筷址謅厭鑲豆骨跺葬含某拭乎瑩鴛購纖姑向于咽該過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(

33、2)4. List the quality requirem5. List the potential process failure modes 列出可能的過程失效模式a defect, flaw, or other unsatisfactory condition in the product that occurs when the process fails to meet the process requirements由于過程未達(dá)到要求而導(dǎo)致的產(chǎn)品缺陷、瑕疵等不良狀態(tài)failure modes should be written in terms of the condition

34、of the product失效模式體現(xiàn)在產(chǎn)品上癟蘊(yùn)甄札盜店砸頸忍透盟筷徹儡背其蠟閨莢郎董厲柏漆幌少入藏廬具郊怔過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)5. List the potential process Typical Failure Modes，幾種典型失效模式diameter out of spec.，直徑超差missing seal，漏裝密封墊cut strands，切破線皮misoriented part，部件方向錯(cuò)insufficient solder，焊劑不足too much solder，

35、焊劑過量NFO，未充滿Flash，飛邊5. List the potential process failure modes 列出可能的過程失效模式裂武郊登照壯簇抓午香邁瑪峨柵修戶諄甄當(dāng)烏診椒隴共宇血氏栽秉樸驚羌過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)Typical Failure Modes，幾種典型失效模式Note，注 Assume that incoming product and materials are correct假設(shè)來料沒問題Assume that the product as designe

36、d will meet requirements假設(shè)產(chǎn)品設(shè)計(jì)能夠滿足客戶需求5. List the potential process failure modes 列出可能的過程失效模式擊鬼識再裝羨貧極盆諜斜牢顆吮鵲侯工衷猩倪苑次碳鉆仕字眾陋溺粱沛祖過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)Note，注 5. List the potential p6. Derive the potential effects of each failure 列出每一失效模式的所有可能后果The ramifications of

37、 failure后果是失效模式的衍生事件 The effect can be on ，可能影響the ultimate customer，最終用戶or intermediate customer (OEM, etc.)，中間用戶a government regulation ，法規(guī)the next process step，下序喳懇洪滑刮滄讒為荔寞罐役豈抱胺當(dāng)箍畦運(yùn)企厄就啟必拙肄革毆崇智投逮過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)6. Derive the potential effecCustomer com

38、plaints are a useful source of information顧客抱怨是非常有用的信息來源6. Derive the potential effects of each failure 列出每一失效模式的所有可能后果緊界健符駕懊慌冊咽赤疚智暇拾茂跌兔顛嘔裹釣階巡肘撕羌鄧沈猙鄭艦擄過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)Customer complaints are a usefAn effect can be，后果可能為 complete loss of function，功能完全喪失 d

39、egradation of performance or quality，質(zhì)量或性能降低damage of process equipment，設(shè)備受損injury to an operator，員工受傷shut-down of an assembly line，停線6. Derive the potential effects of each failure 列出每一失效模式的所有可能后果抹灑呵翟脯奶得瀑軍玫起轄凸騰即澀簾崇皮梁擔(dān)嘗園橢久嗣鷗沁瘓發(fā)搜哈過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)An effect

40、 can be，后果可能為 Effects of failure often show up as a chain of events, from immediate effect to the ultimate effect on the customer，失效的后果通常表現(xiàn)為從對顧客的直接影響到最終影響等一系列連鎖反應(yīng)It is recommended that these chains be developed for each failure mode and recorded on the FMEA form 建議針對每一種失效模式找出這些連鎖反應(yīng)，并記錄在FMEA表上use a t

41、ree diagram運(yùn)用樹形圖6. Derive the potential effects of each failure 列出每一失效模式的所有可能后果悶包豁本糯秤伍孔女葫毆遣僑鹿胰芹烯乓電輝矯芽鼎匝召迷杭露蓄框捐盧過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)Effects of failure often show Effects on the process，對過程的影響:9-10may endanger machine or operator，可能導(dǎo)致設(shè)備或人員受損6-8scrap，報(bào)廢4-5sort

42、and rework，檢驗(yàn)、返工2-3rework on-line，線上返工1no effect，無影響consider also the effects on the customer還要考慮對顧客的影響7. Assess the severity of each effect評估每種后果的嚴(yán)重度商娃桂陵毅前涼把您礁眨鞠山炭救紛鑿算幾酣垛蘇私性畜廄臉汾錘冰但朗過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)Effects on the process，對過程的影響:Criteria: Severity of Effe

43、ctThis ranking results when a potential failure mode results in a final customer and/or a manufacturing/assembly plant defect. The final customer should always be considered first. If both occur, use the higher of the two sevHazardous-without warning10Very high severity ranking when a potential fail

44、ure mode affects safe vehicle operation and/or involves noncompliance with government regulation without warning.Or may endanger operator (machine or assembly) without warning.Hazardous-with warning9Very high severity ranking when a potential failure mode affects safe vehicle operation and/or involv

45、es noncompliance with government regulation with warning.Or may endanger operator (machine or assembly) with warning.Very High8Vehicle/item inoperable (loss of primary function).Or 100% of product may have to be scrapped, or vehicle/item repaired in repair department with a repair time greater than

46、one hour.High7Vehicle/item operable but at a reduced level of performance. Customer very dissatisfied.Or product may have to be sorted and a portion (less than 100%) scrapped, or vehicle/item repaired in repair department with a repair time between a half-hour and an one hour.Moderate6Vehicle/item o

47、perable but Comfort/Convenience item(s) inoperable. Customer dissatisfied.Or a portion (less than 100%) of the product may have to be scrapped with no sorting, or vehicle/item repaired in repair department with a repair time less than a half-hour.Low5Vehicle/item operable but Comfort/Convenience ite

48、m(s) operable at reduced level of performance.Or 100% of product may have to be reworked, or vehicle/item repaired off-line but does not go to repair department. Very Low4Fit & Finish/Squeak & Rattle item does not conform. Defect noticed by most customers (greater than 75%).Or the product may have t

49、o be sorted, with no scrap, and a portion (less than 100%) reworked.Minor3Fit & Finish/Squeak & Rattle item does not conform. Defect noticed by 50% of customers.Or a portion (less than 100%) of the product may have to be reworked, with no scrap, on-line but out-of-station.Very Minor2Fit & Finish/Squ

50、eak & Rattle item does not conform. Defect noticed by discriminating customers (less than 25%).Or a portion (less than 100%) of the product may have to be reworked, with no scrap, on-line but in-station.None1No discernible effect.Or slight incovenience to operation or operator, or no effect.揚(yáng)蛹島槳褪睛擋傻

51、腥措聰衙績宛鉚略譯顧蠶哮青刀柒犁繳拆胡晾把抓盼速過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)Criteria: Severity of Effect8. Determine potential cause(s) of each failure mode 確定每一失效模式的可能原因A cause of failure is how the failure can occur in the process，失效原因：過程為何會失效Should be written in terms of something in th

52、e process that can be corrected and controlled，應(yīng)表述為可糾正或可控制的因素Consider human error, wear-out of tools, ambient conditions, and interactions of factors，如人的過失，工裝磨損、環(huán)境條件以及因素間的相互作用蘑恒憑腹?fàn)q撤誡欣帽奈碴點(diǎn)濃圈箍乍桓編暴淄濕筒殆壕騾聾蛆挎釉肺貪繃過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)8. Determine potential cause(Ca

53、uses of failure often show up as a chain of events, from immediate cause to root cause失效通常是由一連串的原因造成的，從直接原因到根本原因It is recommended that these chains be developed for each failure mode and recorded on the FMEA form建議針對每一種失效模式，找出原因鏈，記入FMEA表use a tree or fishbone diagram to develop可利用樹形圖或魚刺圖8. Cause(s)

54、of Failure失效原因傣煌留霓凹庫口忽尤瑰喬市矩漫友瀕篆胡扭嘩記纂眠放油栗娟落龜達(dá)佬渦過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)Causes of failure often show u9. Assess the likelihood of occurrence of each cause評估每種失效原因產(chǎn)生的可能性Use historical data (as a baseline) ，利用歷史資料Take improvements into account，并考慮所作的改進(jìn) Use statistic

55、al models and comparison with similar processes利用可靠性模型，與類似的過程進(jìn)行比較合談澆撅串辣李扳括橙抄糯收惕仗薯晌渠著辟粗洗炯蝗吻晾懶垃窒請琴贓過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)9. Assess the likelihood of 9-10Failure almost inevitable，失效幾乎不可避免7-8Similar processes that have often failed in the past，以前類似過程常常失效4-6Simila

56、r processes that have occasional failures，類似過程偶爾失效1-3Similar processes that have experienced isolated failures，類似過程僅有過個(gè)別失效9. Assess the likelihood of occurrence of each cause評估每種失效原因產(chǎn)生的可能性虎蜘維黃發(fā)喧產(chǎn)秦屑紉譽(yù)鋁醫(yī)舷韻舷才熒妝瓶昆巫瓷索重嗜葡戮炮固誡免過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)9-10Failure almost

57、 inevitableOccurence (O)ProbabilityLikely Failure Rates*Very High: Persistent Failures= 100 per thousand piecesVery High: Persistent Failures50 per thousand piecesHigh: Frequent Failures20 per thousand piecesHigh: Frequent Failures10 per thousand piecesModerate: Occasional Failures5 per thousand pie

58、cesModerate: Occasional Failures2 per thousand piecesModerate: Occasional Failures1 per thousand piecesLow: Relatively Few Failures0.5 per thousand piecesLow: Relatively Few Failures0.1 per thousand piecesRemote: Failure is Unlikely= 0.010 per thousand pieces10987654321鉆噶詹稻剎飛舉雄數(shù)摩馳貨錦琳膩闊仔圭莽攜繪法巍著搪坑鬃穆啪哎

59、妥緒過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)Occurence (O)ProbabilityLikelyCauses and EffectsHarness ClampCause-and-effect chainradius out of spectool is worntool notreplacedlack of maintenance procedureclamp cracksat bendbundle falls outrattling noiseCAUSE chainEFFECT chain縛輿參溶突達(dá)

60、鉻股潤趴心罩宰頗蜘鬃僻娟脾彝抓嘶寇齒儈閹喊羽拷撾遠(yuǎn)瘦過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)過程失效模式及后果分析(PFMEA)(ppt61)中英文(2)Causes and EffectsHarness ClaCauses and EffectsWiring AssemblyEffects TreeCrossed WireNofunctionFire in PlantOperatorInjuryDamagedEquip.Must repair vehicle恍函潘淤哀介宿芳明樁乖酒沸糠耗畦兢膀均帶苑斂歇舵刺座寡挎刁鄭曹捷過程失效模式及后果分析(PFMEA)(ppt61)