硅胶-过程潜在失效模式及后果分析(PFMEA)

探 測 度 D
風 R險 P順
e t
N序 數
Recommended Action(s) 建議措施
Responsibility & Target Completion
Date 責任和目標完成
日期
Silicone - 硅胶原料 Contamination 玷污 / Foreign material 雜料
Cosmetic defects 外观缺陷
4
56
No recommended action 建議
無
0
2
Compounding 炼胶
Uneven color paste mixing 色膏混炼不均匀
Cosmetic defects (flow mark, fog mark)
外观缺陷 (流痕，雾斑）
8
Compounding time insufficient 炼胶时间过短
Potential Failure Mode(s) Potential Effect(s) of
潛在失效模式
Failure潛在失效后果
度 S
Potential Cause(s) of Failure 潛在失效起因/機理
度 O c
e
c
v
Current Process Controls 現行過程控制預防
5
80
No recommended action 建議
無
Plastic substrate - 包胶的 塑胶零件 Critical dimension out of spec - undersize XXXXX+/-XXX 关键尺寸超差-偏小
Overflow or flash 溢胶，毛边
Plastic substrate - 包胶的 塑胶零件 Critical dimension out of spec - oversize XXXXX+/-XXX 关键尺寸超差-偏大
coming resin.檢查樹脂包裝情況,對來料進行抽樣檢 查.
56
No recommended action 建議
無
Doc No文件號: Prepared By編制:
Revision版本: FMEA Date日期: Revision Date修訂日期:
Actions Taken 采取的措施
嚴重 度 Sev
來料检查 Color deviation
色差
Parts rejected by customer 產品被拒收.
8
Improper control by material supplier材料商不適當管理(控 制)
1
Inspected by IQC every lot/ each delivery . IQC對每一 批來料進行檢驗.
頻度 Occ
探測 度 Det
風險 順序 數 RPN
Silicone - 硅胶原料 RoHS out of spec RoHS受限制物质超標.
Parts rejected by customer 產品被拒收.
9
Improper control by material supplier材料商不適當管理(控 制)
1
Inspected by IQC every lot/ each delivery . IQC對每一 批來料進行檢驗.
5
45
No recommended action 建議
無
Silicone - 硅胶原料 Durometer out spec 硬度超差
In-coming
1
inspection Color paste -色膏
5
40
No recommended action 建議
無
Color deviatol by material 8 supplier材料商不適當管理(控
制)
2
Inspected by IQC every lot/ each delivery . IQC對每一 批來料進行檢驗.
4
Sampling check by IQC IQC抽样检验
6
96
No recommended action 建議
無
6
168
1. Push vendor to improve 推动供应商改善
XXXXX
IQC 100% measure using Go / NO go gauge IQC用通止规全检
7
Not fit in 无法放置于模具内
4
Improper control by material supplier材料商不適當管理(控 制)
4
Sampling check by IQC IQC抽样检验
7
Improper control by material supplier材料商不適當管理(控 制)
1.Certificate of compliance (analysis) to be provided
Improper control by material
7
supplier and materials handler 材料商及運輸員的不適當管
理(控制)
with every lot. 要求每批來料提供COC/COA証明. 1 2.Check packaging of resin and sampling check for in- 8
3
4
84
Material ratio incorrect 材料配比错误
Molding defects 各种成型缺陷
7
Operator did not follow WI 作业员没有按照WI配比
2
IPQC check compounding record each lot IPQC每批确认材料配比记录
Part No零件編號:
Part Name名稱:
Project項目: Customer客戶:
Process過程: Core Team核心團 隊:
Process Failure Mode and Effects Analysis 過程潛在失效模式及后果分析(PFMEA)
嚴
重
頻
Item 序
Process Description 過程名稱
2
Change to appropriate mixing time 更改炼胶时间 IPQC check the mixing time setting at FAI IPQC确认炼胶时间设定
4
64
No recommended action 建議
無
0
Mixed silicone expired （exceed 24 hours） 炼好的胶料超过24小时