QFR No - 8000811623
Defect Details
| NC No. | 8000811623 |
| NC Date | 22/11/2022 |
| NC Submission Date | |
| Part No. | F2DZ09002B |
| Part Name | FORK BOLT -K17E |
| Supplier Name & Code | 100189-SANGKAJ STEEL PVT LTD. |
| ETL Plant | 1117-ETL K-228/9 Suspension |
| Defect Details | NOT AS PER SPECIFICATION-M6 NO-GO PASS |
1. Problem Description
| Defect Description | M6 No-Go Pass in fork bolt |
| Detection Stage | Receipt |
| Problem Severity | Fitment |
| NG Quantity | 310 |
| Is Defect Repeatative? | Yes |
| Defect Sketch / Photo | zm1kgsmvtm0a3zv0hsp4bmvd.pptx |
Supplier Communication Details
| Quality Head Email ID | qualityassurance@sangkaj.com |
| Plant Head/CEO Email ID | steel@sangkaj.com |
| MD Email ID | anirudh.2007@hotmail.com |
2. Stock Details & action taken for NG parts
| Location | ETL End | Warehouse | Transit | Supplier FG | Supplier WIP | Total |
|---|---|---|---|---|---|---|
| Total Qty |
310
|
0
|
0
|
500
|
1000
|
1810
|
| Check Qty |
310
|
0
|
0
|
500
|
1000
|
1810
|
| NG Qty |
5
|
0
|
0
|
0
|
0
|
5
|
| Scrap | 5 |
| Rework | 0 |
| Under Deviation | 0 |
| Containment Action |
|---|
| Lot booked after found 5 nos NG at inward end, also re-verified the in-house stock. |
3. Process Flow
| Process Flow Description |
|---|
| Inward Inspection > Forging blank > CNC 1ST > CNC 2nd > Drilling > Tapping > Rolling > Plating > Final Inspection |
4. Process Details
| Process / Operation | Drilling |
| Outsource | No |
| Machine / Cell | Tapping |
| Machine / Cell No. | 1 |
5. Problem Analysis
| Type | Possible Cause | Fact Verification | Jud |
|---|---|---|---|
| Machine | Collet Wear out | Drill fitment issue | X |
6. Inspection Method Analysis (Current)
| Inspection Method | Other |
| Other Inspection Method | Sampling basis (DV) |
| Check Point at Final Inspection | Yes |
| Checking Freq. | Sampling |
| Sampling | No |
| Sample Size | 5 OUT 100 |
7. Root Cause Analysis (Occurance)
| Why 1 | Drill ID O/S |
| Why 2 | Drill Overhanging |
| Why 3 | Play in collet |
| Why 4 | Collet wear out |
| Why 5 | |
| Root Cause (Occurance) | Collet wear out found |
Root Cause Analysis (Outflow)
| Why 1 | NG Piece not traced in sampling basis |
| Why 2 | sampling frequency found less |
| Why 3 | |
| Why 4 | |
| Why 5 | |
| Root Cause (Outflow) | sampling frequency at FID found less |
8. Countermeasure ( Occurrence , Outflow & System side Actions )
| Type | Countermeasure Details | Responsibility | Target Date | Actual Date | Status |
|---|---|---|---|---|---|
| Occurance | Collet replaced with new one having close clamping having facility of clamp more area of drill bit. so that overhanging possibility get eliminate | Mr. Raut Sir | 24/11/2022 | 23/11/2022 | Completed |
9. Inspection Method After Customer Complaint
| Change In Inspection System | Yes |
| Change Details | Sampling frequency increased to 10 % |
| Inspection Method | Sp. Gauge |
| Other Inspection Method | |
| Check Point at Final Inspection | Yes |
| Checking Freq. | Sampling |
| Sampling | No |
| Sample Size | 10 |
10. Evidance of Countermeasure
| Occurance (Before) |
Collet Wear Out drill bit overhanging due to clamping area less. 312_Occurance_Before.pptx |
| Occurance (After) |
Collet replaced with new one having close clamping having facility of clamp more area of drill bit. so that overhanging possibility get eliminate. 312_Occurance_After.pptx |
| Outflow (Before) |
5 % Inspection from lot 312_Outflow_Before.jpeg |
| Outflow (After) |
10 % Inspection from lot 312_Outflow_After.jpeg |
11. Horizontal Deployment
| Horizontal Deployment Required | No |
| Applicable Machine / Model / Plant | Drilling M/c |
12. Document Review
| Documents | InspCheckSheet |
| Specify Other Document | FID Checksheet |
13. Effectiveness Of Action
| Reviewed Quantity | 300 |
| Reason for submission | Kindly maintain the same in further production. |