QFR No - 8000779743
Defect Details
| NC No. | 8000779743 |
| NC Date | 12/03/2022 |
| NC Submission Date | |
| Part No. | S1CW00512B |
| Part Name | D NUT K0LA |
| Supplier Name & Code | 100165-SAPTAGIRI INDUSTRIES |
| ETL Plant | 1146-ETL Suspension Narasapura |
| Defect Details | THREADING MISSING-DNUT WITHOUT THREADING |
1. Problem Description
| Defect Description | K0LA rear D nut without threading issue |
| Detection Stage | Inprocess |
| Problem Severity | Fitment |
| NG Quantity | 3 |
| Is Defect Repeatative? | No |
| Defect Sketch / Photo | r4uioy4swlnu5yytx1sfjsju.xlsx |
Supplier Communication Details
| Quality Head Email ID | quality@saptagirigroup.in |
| Plant Head/CEO Email ID | quality@saptagirigroup.in |
| MD Email ID | argandhi@saptagirigroup.in |
2. Stock Details & action taken for NG parts
| Location | ETL End | Warehouse | Transit | Supplier FG | Supplier WIP | Total |
|---|---|---|---|---|---|---|
| Total Qty |
10000
|
12000
|
0
|
13500
|
5200
|
40700
|
| Check Qty |
10000
|
12000
|
0
|
13500
|
5200
|
40700
|
| NG Qty |
0
|
0
|
0
|
25
|
0
|
25
|
| Scrap | 13 |
| Rework | 0 |
| Under Deviation | 0 |
| Containment Action |
|---|
| We have checked In house and M/S ETL end |
3. Process Flow
| Process Flow Description |
|---|
| Raw Material Inward Sheet Shearing Blanking & Center Piercing Both side chamfer Tapping Plating Final Inspection Packing/storing |
4. Process Details
| Process / Operation | Tapping |
| Outsource | No |
| Machine / Cell | Machine No 1 |
| Machine / Cell No. | Machine No 1 |
5. Problem Analysis
| Type | Possible Cause | Fact Verification | Jud |
|---|---|---|---|
| Tool | Punch NG | Punch Worn out. | O |
6. Inspection Method Analysis (Current)
| Inspection Method | Gauge |
| Other Inspection Method | |
| Check Point at Final Inspection | Yes |
| Checking Freq. | Sampling |
| Sampling | No |
| Sample Size | 50 |
7. Root Cause Analysis (Occurance)
| Why 1 | D`nut found Go not pass |
| Why 2 | Punch Worn out. |
| Why 3 | Before threading Id undersize observed 8.65mm Instead of 8.75mm. |
| Why 4 | Tool History card not updated |
| Why 5 | |
| Root Cause (Occurance) | Before threading Id undersize observed 8.65mm Instead of 8.75mm. |
Root Cause Analysis (Outflow)
| Why 1 | Punch Replace with New one with size 8.75mm. |
| Why 2 | Tool history card maintain. |
| Why 3 | Sampling qty. increases for thread inspection for inprocess & final inspection 100 nos/lot instead of 50 nos/lot |
| Why 4 | |
| Why 5 | |
| Root Cause (Outflow) | Sampling qty. increases for thread inspection for inprocess & final inspection 100 nos/lot instead of 50 nos/lot |
8. Countermeasure ( Occurrence , Outflow & System side Actions )
| Type | Countermeasure Details | Responsibility | Target Date | Actual Date | Status |
|---|
9. Inspection Method After Customer Complaint
| Change In Inspection System | Yes |
| Change Details | final inspection 100 nos/lot instead of 50 nos/lot |
| Inspection Method | Gauge |
| Other Inspection Method | |
| Check Point at Final Inspection | Yes |
| Checking Freq. | Sampling |
| Sampling | No |
| Sample Size | 50 |
10. Evidance of Countermeasure
| Occurance (Before) |
Punch wear out NOGO Pass 14_Occurance_Before.pptx |
| Occurance (After) |
Punch Replace Dimn. 14_Occurance_After.pptx |
| Outflow (Before) |
Less sampling frequency 14_Outflow_Before.pdf |
| Outflow (After) |
sampling frequency Increase 14_Outflow_After.pdf |
11. Horizontal Deployment
| Horizontal Deployment Required | No |
| Applicable Machine / Model / Plant | Saptagiri Engg. Machine No 1 |
12. Document Review
| Documents | WISOP |
| Specify Other Document | N/A |
13. Effectiveness Of Action
| Reviewed Quantity | 15000 |
| Reason for submission | reviewed 15000 numbers no thread miss found ok |