2022年PFMEA程序文件 .pdf

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1、WORK INSTRUCTION 作业指导书DOC. No. / 文件编号: DMQAI-001 REV./ 版本号 : 01 PRODUCT/ 产品 : All TITLE / 标题 : Process Failure Mode and Effect Analysis 制程失效模式与效果分析PAGE/ 页数1 OF 8 REVIS ION HIS TORY / 版本记录REVIS ION 版本CHANGE DESCRIPTION 修改内容ISSUER 发布者RELEAS E DATE 发行日期01 New release. (Replace old document QAI-GE-018,

2、WI-QAD-005 and 16-3B) Arking Xu Mar.09.04 REMARK 备注APPROVAL DEPARTMENT NAME TITLE 部门名字职位QA(FI) Jackie DuanSr. Engineer QA(FT) Aiping Yuan Section HeadQA(FM) PK Tan Manager PE (FI) John H NGManager PE (FT) Matthew leung Manager PL&AS (FM) SG Chang Manager MT(FM) Penglai Ng Manager DMP-001-F2.01 名师资料总

3、结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 1 页，共 8 页 - - - - - - - - - WORK INSTRUCTION 作业指导书DMP-001-F2 .01 DOC. NO. / 文件编号 : DMQAI-001 REV/ 版本号 : 01 PRODUCT / 产品 : All TITLE / 标题 : Process Failure Mode and Effect Analysis 制程失效模式与效果分析PAGE/ 页数 : 2 Of 2 1 PURPOSE （目的）Th

4、e purpose of this work instruction is to provide a method for continuous improvement through the use of PFMEAs. 此作业指导书的目的是为运用制程失效模式及效果分析达到持续改善目的提供方法。2 SCOUPE （范围）This work instruction applies to any manufacturing process at FLEX (Doumen) that has a customer requirement for failure mode effect analys

5、is or any process at FLEX (Doumen) where management requires a PFMEA. 适用于客户要求或管理要求而需要做失效模式及效果分析的伟创力(斗门 ) 的所有制程。3 DEFINITIONS （定义）3.1 PFMEA: Process Failure Mode and Effect Analysis. It should describe all the potential failure modes which may occur in process and their corresponding failure effects;

6、 evaluate and rank the severity, occurrence and detection of the failures. It should also describe the current control method, recommend corrective action, person responsible responsibility and due date. PFMEA- 制程失效模式及效果分析。它应列出制程中所有可能出现的潜在失效模式以及相应的失效结果，评价和评定其严重度、发生度、检测度的等级分数。同时指出当前的控制方法和建议的改善行动以及相应的

7、责任者和完成期限。3.2 QE: Quality Engineer QE: 品质工程师3.3 SQE: Supplier Quality Engineer SQE: 供应商管理品质工程师3.4 PE: Process Engineer PE: 工艺工程师3.5 ME: Manufacturing Engineer ME: 制造工程师3.6 TE: Test Engineer TE: 测试工程师3.7 EE: Equipment Engineer EE: 设备工程师3.8 DCC: Document Control center DCC: 文件控制中心3.9 RPN: Risk Priority

8、 Number RPN: 风险优先系数4. REFERENCE（参考文件）4.1 DMP-010 Corrective and Preventive Action 纠正与预防措施5. RESPONSIBILITY（职责）5.1 Quality Engineer: PFMEA Team Leader, holds the PFMEA meeting, prepare and update PFMEA base on team discussion result, apply PFMEA issue. 品质工程师 : PFMEA 团队之领导者。主导制程失效模式及效果分析, 举行制程失效模式及效果分

9、析会议，根据团队讨论结果准备和更新报告，申请报告发行。名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 2 页，共 8 页 - - - - - - - - - WORK INSTRUCTION 作业指导书DMP-001-F2 .01 DOC. NO. / 文件编号 : DMQAI-001 REV/ 版本号 : 01 PRODUCT / 产品 : All TITLE / 标题 : Process Failure Mode and Effect Analysis 制程失效模式与效果分析PA

10、GE/ 页数 : 3 Of 3 5.2 Manufacturing Engineer, Process Engineer, TE, EE, SQE and Production Supervisor are Process PFMEA team member, prepare PFMEA report together with Quality Engineer. 制造工程师，工艺工程师，测试工程师，设备工程师，供应商管理品质工程师和生产主管是制程失效模式及效果分析之组员，同品质工程师一起准备潜在失效模式及效果分析报告。5.3 DCC: Control the PFMEA files and

11、keep in DCC. DCC: 负责控制及保存制程失效模式及效果分析文件。6. PROCEDURE（程序）6.1 Operating Procedure操作程序6.1.1 A PFMEA team is made up of the Quality Engineer, Manufacturing Engineer, Process Engineer, TE, EE, SQE and the appropriate Production Supervisor. PFMEA小组由品质工程师, 制造工程师，工艺工程师，测试工程师，设备工程师，供应商管理品质工程师和相应的生产主管组成。6.1.2

12、Quality Engineer initiates a PFMEA during New Product Introduce when required. 在新产品导入时而且需要时，品质工程师应该发起PFMEA 。6.1.3 During the mass production, based on feedback of daily quality report, abnormal notice, CAR, PER and so on. Quality Engineer summarize abnormity from process within 3 month and have a me

13、eting to analyze Failure Effect, Failure Cause, Current Process Control. 在量产过程中, 基于每日品质报告、异常问题通知单、纠正措施报告、问题评估报告等的反馈更新制程失效模式及效果分析文件。品质工程师三个月进行总结一次，并召开会议对其进行失效影响和原因,当前控制方法加以分析。6.1.4 Evaluates the RPN number. Determine score of RPN and classify High Risk, Medium Risk and Low Risk per different process

14、and product. Suggest to classify High Risk (above 100), Medium Risk (60100), Low Risk (Below 60). 评估 RPN 数值，可根据不同的制程和产品来决定高风险,中风险和低风险的分数。建议对于RPN 值进行高低分类：高风险（100 分以上） ,中风险（在60 和 100 分之间） ,低风险（在60 分以下）。6.1.5 High risk priority number (RPN) is targeted for reduction through team effort. And determine R

15、ecommended Action, Responsibility, Target Completion Date and Action Taken, and record them on the Failure Mode and Effect Analysis sheet. Medium risk priority number (RPN) is targeted for optional reduction through team effort.高风险系数的失效是小组努力降低的目标, 需要决定所采取的相应纠正行动, 责任人及完成日期记录在制程失效模式及效果分析表中。中风险系数的失效是小组

16、可选择降低的目标。6.1.6 Relative responsibility should take recommended action.相关责任人应对所推荐的纠正行动加以实施。6.1.7 Follow Up and Review of the PFMEA: The PFMEA is a living document and should always reflect the latest status of relevant actions. So the PFMEA review needs to be organized by QE within the project team a

17、t least 3 months and updated according to the actual status. Its recommended that PFMEA review meeting can be performed during the CIP (Continual Improvement Program) meeting. PFMEA的跟进及评审 : PFEMA是一种活的且需不断更新的文件从而反映最新的状态。因此, 各项目内的品质工程师应每三个月一次组织PFMEA团队依据最新的情况进行一次评审并对PFMEA进行相应的更新。建议在各项目的持续改善会议中对PFMEA 进行

18、评审。6.2 Rating Factor Guidelines:评分指南表6.2.1 The PFMEA Severity Evaluation Criteria. PFMEA 严重度评估标准。6.2.2 The PFMEA Occurrence Evaluation Criteria. PFMEA 发生率评估标准。6.2.3 The PFMEA Detection Evaluation Criteria. 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 3 页，共 8 页 - -

19、- - - - - - - WORK INSTRUCTION 作业指导书DMP-001-F2 .01 DOC. NO. / 文件编号 : DMQAI-001 REV/ 版本号 : 01 PRODUCT / 产品 : All TITLE / 标题 : Process Failure Mode and Effect Analysis 制程失效模式与效果分析PAGE/ 页数 : 4 Of 4 PFMEA 可检出率评估标准。6.2.1 PFMEA Severity Evaluation CriteriaRating 级 别Description 描述Definition 定义10 Dangerousl

20、y High 特别高Failure w ould be noti ceable to the customer and would drastically affect the customers process or product 对客户来说是显而易见的，且会严重影响客户的制程和产品。9 Extremely high 极 高Failure w ould be readily apparent to the customer, but would have major effects on the customer s process or product. 对客户来说是容易见到的，且主要会

21、影响客户的制程和产品。8 Very High 很 高Failure w ould create a major nuisance to the customer, the customer cannot overcome it in the process without performance loss 是可引起客户麻烦的，在制程中客户是不能克服的,也就不会有损失 . 7 High 高Failure can be overcome with modifications to the customers process or product, but there is major perfor

22、mance loss 在制程中客户是能克服的,但会有重大损失。6 Moderate 中 等Failure results in a subsystem or partial malfunction of the product. 失效会引起下一站的或部分的帮障。5 Low 低Failure creates enough of a performance loss to cause the customer to complain. 失效会造成大的损失并引起客户的抱怨. 4 Very low 很 低Failure can be overcome with modifications to the

23、 customers process or product, but there is minor performance loss 失效能够被克服 ,但是会引起定的损失 . 3 Minor次要的Failure w ould create a minor nuisance to the customer, but the customer can overcome it in the process without performance loss 失效会引起客户一些麻烦,但是能够被克服 .不会有损失 . 2 Very Minor 极次要的Failure may not be readily

24、apparent to the customer, but would have minor effects on the customers process or product. 在客户处失效不容易显露出来,但是在客户制程中会有一点影响. 1 None 没有影响的Failure w ould not be noticeable to the customer and would not affect the customers process or product 在客户处失效不会显露出来,在客户制程中也不会有一点影响. 6.2.2 PFMEA Occurrence Evaluation

25、CriteriaRating 级 别Probability 可靠性Possible Failure Rates 可能失效比率Cpk 制程能力指数10 Very High: Failure is almost inevitable 很高 :几乎是无法避免的 1 in 2 0.33 8 High Repeated Failures 高的 :重复失效的1 in 8 0.51 7 High Repeated Failures 高的 :重复失效的1 in 20 0.67 6 Moderate: Occasional Failures 中等 :偶尔失效的1 in 80 0.83 5 Moderate: O

26、ccasional Failures 中等 :偶尔失效的1 in 400 1.00 4 Moderate: Occasional Failures 中等 :偶尔失效的1 in 2,000 1.17 3 Low : Relatively few failures w ith similar processes 低的 :与相似制程相联系的孤立失效1 in 15,000 1.33 2 Very Low: Isolated failures with identical processes 很低的 :只与几乎相同制程相联系的单独失效1 in 150,000 1.50 1 Remote: Failure

27、 is unlikely 极低的 :失效是不太可能的 1 in 1,500,000 2.00 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 4 页，共 8 页 - - - - - - - - - WORK INSTRUCTION 作业指导书DMP-001-F2 .01 DOC. NO. / 文件编号 : DMQAI-001 REV/ 版本号 : 01 PRODUCT / 产品 : All TITLE / 标题 : Process Failure Mode and Effect An

28、alysis 制程失效模式与效果分析PAGE/ 页数 : 5 Of 5 6.2.3 PFMEA Detection Evaluation CriteriaRanking 级 别Detection 检测Inspection Types 检查类型Definition 定义A B C 10 Almost Impossible 几乎不可能Cannot detection or is not checked 不能察觉或检查出来9 Very Remote 几乎微乎其微No Control method known for check failure now 现在没有已知的控制方法去检测失效. 8 Remo

29、te 绝对少的The possible is remote that Control method known can check failure now 现在已知的控制方法检测出失效的可能性是绝对低的. 7 Very Low 很低的The possible is very low that Control method known can check failure now 现在已知的控制方法检测出失效的可能性是很低的. 6 Low 低的The possible is low that Control method known can check failure now 现在已知的控制方法检

30、测出失效的可能性是低的. 5 Moderate 中等The possible is Moderate that Control method known can checkfailure now 现在已知的控制方法检测出失效的可能性是中等的4 Moderately High 适度高的The possible is Moderately High that Control method known can check failure no w 现在已知的控制方法检测出失效的可能性是适度高的3 High 高的The possible is High that Control method know

31、 n can checkfailure now 现在已知的控制方法检测出失效的可能性是较高的2 Very High 很高的It is possible that Control method known can check failure now 现在已知的控制方法检测出失效是很容易的, 1 Certain 几乎可确定的It is noticeable that Control method known can check failure no w 现在已知的控制方法检测出失效的可能性是显而易见的Inspection Types: A. E rror proofed ( 防呆) B. Gaug

32、ing （治具） C. Manual （人工）6.3 Implementation procedure for the PFMEA: The PFMEA form DMQAI-001-F1.01 is designed for the PFMEA preparation. The following steps need to be implemented by the PFMEA team with reference to the section number in the PFMEA form. PFMEA的实施程序 :PFMEA表格用于制程失效模式及效果的分析. 依据 PFMEA 表格

33、中标识的完成步骤序号完成如下所列填写。6.3.1 Part No-Fill the part number in the section 在 Part No 栏中填入零件的料号。6.3.2 Project-Fill the Project name in the section 在 Project 栏中填入项目的名称。6.3.3 Model-Fill the Product Model in the section 在 Model 栏中填入产品的型号。6.3.4 Customer-Fill the customer name in the section 在 Customer栏中填入客户的名称

34、。6.3.5 Process-Fill the process name in the section 在 Process栏中填入制程工站的名称。6.3.6 Core Team-Fill major person name taken part in analysing PFMEA in the section在 Core Team栏中填入参加PFMEA 分析成员的名字。6.3.7 Doc No-Fill PFMEA于 number in the section. The format should be: PFMEA-Project Code-XXX (PFMEA Order Number)

35、. For example, “PFMEA -ERIC- 005” means the PFMEA is the 5th PFMEA of Ericsson project. 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 5 页，共 8 页 - - - - - - - - - WORK INSTRUCTION 作业指导书DMP-001-F2 .01 DOC. NO. / 文件编号 : DMQAI-001 REV/ 版本号 : 01 PRODUCT / 产品 : All TITLE

36、/ 标题 : Process Failure Mode and Effect Analysis 制程失效模式与效果分析PAGE/ 页数 : 6 Of 6 在 Doc No 栏中填入PFMEA编号 ,其格式为： PFMEA- 四位项目代码-XXX (PFMEA的流水号 ). 例如“ PFMEA-ERIC-005 ”是指爱立信项目的第5 份 PFMEA 。6.3.8 PFMEA Leader-Fill the person name leading PFMEA in the section在 PFMEA Leader 栏中填入导PFMEA分析人的名字。6.3.9 Reviewed By- Fill

37、 the person name review PFMEA in the section在 Reviewed By栏中填入审核PFMEA 人的名字。6.3.10 Revision- Fill the revision number of PFMEA in the section, for example: 01, 02, 03在 Revision 栏中填入PFMEA 的版本，如01， 02， 036.3.11 FMEA Date- Fill the date of PFMEA revised in the section 在 FMEA Date栏中填入修改PFMEA 版本的日期。6.3.12

38、Threat Hold RPN: Fill the target score with threat in the section 在 Threat Hold RPN栏中填入需要降低的目标风险系数。6.3.13 Item- Fill number in the section 在 Item 栏中填入序号。6.3.14 Process Description- fill process name in the section 在 Process Description栏中填入具体的制程名称。6.3.15 Potential Failure Mode- Work out each potentia

39、l failure modes for the analysed process and enter the description of the potential failure mode in the section. 潜在失效模式的分析:针对每种制程，分析出其潜在的失效模式并将其描述在Potential Failure Mode 中。6.3.16 Potential Effect of Failure-Analyse the effects of each potential failure in terms of what the customer might notice or e

40、xperience, customer can be internal subsequent operation as well as the ultimate end user. The determined effects need to be entered in the section 潜在失效模式的影响分析:结合可能对客户的影响, 对每个潜在的失效模式的影响进行分析,客户 既 可以 是 内 部 下 一工 位 的 操 作 也可 以 是 指 最 终用 户 。 经 确 认的 失 效 模 式 影响 需 填入Potential Effect Failure中。6.3.17 Sev-The se

41、verity will be determined based on the effects of the failure. The severity rank is ranged from 1 to 10 points. The detail severity evaluation criteria refer to sheet. The team determined severity rank need to be filled in the section 严重度的评估: 严重度主要依据失效模式的影响程度进行评估. 严重度的评定范围从1 分到 10分.详细的严重度评估标准参见图表. 经

42、团队确认的严重度填入Sev 中。6.3.18 Potential Cause of Failure-The potential cause for every failure needs to be determined in terms of something that can be corrected or controlled. The potential cause need to be entered in the section. 潜在失效原因: 需要针对每种失效模式分析出可加以控制改善的潜在原因。分析出的潜在原因需填入 Potential Cause of Failure中。6

43、.3.19 Occ-Occurrence is the likelihood that a specific cause of failure will occur. The occurrence likelihood is ranked from 1 to 10 points. Refer to sheet - Occurrence Evaluation Criteria and fill the team evaluated Occurrence rank in the section 失效原因的发生率评估:发生率是指一种失效原因出现的可能性，发生率的评定范围从1 分至10 分.具体评估标

44、准参见图表 - 发生率的评估标准。团队发生率的评估结果填入Occ 中。6.3.20 Current process controls-The current process controls are the descriptions of the controls that either prevent the possible failure from occurring or detect the cause of failure and lead to corrective action. The current process control needs to be filled in

45、 the section当前的制程控制: 当前的制程控制是指用来防止问题发生的预防控制以及检测出失效原因的控制措施。当前制程的控制措施需填入Current process controls中。名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 6 页，共 8 页 - - - - - - - - - WORK INSTRUCTION 作业指导书DMP-001-F2 .01 DOC. NO. / 文件编号 : DMQAI-001 REV/ 版本号 : 01 PRODUCT / 产品 : Al

46、l TITLE / 标题 : Process Failure Mode and Effect Analysis 制程失效模式与效果分析PAGE/ 页数 : 7 Of 7 6.3.21 Det-The detection is the detect possibility for the potential failure based on current process control.The detection possibility is ranked from 1 to 10 points. Refer to sheet Detection evaluation criteria. Th

47、e detection rank needs to be entered in the section. 可检出率的评估:可检出率是指在当前制程控制的情况下潜在失效模式可被检测出的可能性.可检出率的程度评定范围从1 分至 10 分.具体评估标准参见图表-可检出率的评估标准。将可检出率的评估标准填入Det 栏中。6.3.22 Risk Priority Number (RPN)-The RPN need to be calculated to determine the priority of the concernsin process for improvement actions. The

48、 RPN is Severity (S) x Occurrence (O) x Detection (D). The RPN need to be entered in the section 风险优先级数:计算出风险优先级数来确定制程改善的优先次序.风险优先级数=严重度 x 发生率 x 可检出度。将计算出的风险优先级数填入RPN 栏中。6.3.23 Recommended Action-The preventive / corrective actions should be provided for high RPN items. Generally, the recommended ac

49、tions are needed when the RPN rank is greater than or equal to 100. Another case is: Must action for the item of Severity=9 or 10, no matter the result of RPN. The recommended actions need to be described in the section建议的行动:针对高风险系数模式需采取预防改善措施予以改善。一般地，高风险优先级数是指 RPN 大于或等于100 。另外一种情形是: 无论 RPN 值是多大 , 当

50、严重度是9 或 10 时, 必须采取预防改善措施予以改善。建议的改善行动须填入Recommended Action中。6.3.24 Responsibility & Target Completion Date-Enter the responsibility for the recommended action and the target completion date in the section。责任者与目标完成日期:确定建议行动的责任者及目标完成日期并填入Responsibility & Target Completion Date栏中。6.3.25 Action Taken-Aft