QFR No - 8000886612
Defect Details
| NC No. | 8000886612 |
| NC Date | 12/08/2024 |
| NC Submission Date | |
| Part No. | F2BZ05712B |
| Part Name | CAP OIL LOCK - J1D FF (10mm taper) |
| Supplier Name & Code | 101255-MAHAVIR INDUSTRIES |
| ETL Plant | 1117-ETL K-228/9 Suspension |
| Defect Details | PARALITY NOT OK.-PARALLISUM FOUND NOT OK. |
1. Problem Description
| Defect Description | Parallelism Found Not OK |
| Detection Stage | Receipt |
| Problem Severity | Fitment |
| NG Quantity | 4 |
| Is Defect Repeatative? | Yes |
| Defect Sketch / Photo |
Supplier Communication Details
| Quality Head Email ID | quality@mahavirind.co.in |
| Plant Head/CEO Email ID | planthead@mahavirind.co.in |
| MD Email ID |
2. Stock Details & action taken for NG parts
| Location | ETL End | Warehouse | Transit | Supplier FG | Supplier WIP | Total |
|---|---|---|---|---|---|---|
| Total Qty |
340
|
0
|
0
|
0
|
0
|
340
|
| Check Qty |
340
|
0
|
0
|
0
|
0
|
340
|
| NG Qty |
4
|
0
|
0
|
0
|
0
|
4
|
| Scrap | 4 |
| Rework | 0 |
| Under Deviation | 0 |
| Containment Action |
|---|
| All Stages +customer End All suspected Finish Good material Verified |
3. Process Flow
| Process Flow Description |
|---|
| R/M Inward - R/M Store- Traub parting ?10.5 ID Hole - CNC Taper Turning/ ID Boring - Bottom Side Chamfer- OD Grinding- Rust preventive washing - Final Inspection - Packing- Dispatch. |
4. Process Details
| Process / Operation | CNC Taper Turning/ ID Boring |
| Outsource | Yes |
| Machine / Cell | CNC Section |
| Machine / Cell No. | CNC-2 |
5. Problem Analysis
| Type | Possible Cause | Fact Verification | Jud |
|---|---|---|---|
| Method | Not proper arrangement of Defective parts Handling on CNC Machine | Not Available Lock and Key Red box on CNC machine | X |
| Man | Unskiilled Man power | Skilled operator On CNC machine | O |
| Material | Hard Material | Correct Grade Material use & hardness ok | O |
| Machine | CNC Machine Condition Not OK | As PM plan Check sheet Condition found ok but Chuck Jaw Boring Frequency not decide. | X |
| Tool | Wrong Tool use For Pilot Drill | Correct Required Tool On CNC Machine | O |
6. Inspection Method Analysis (Current)
| Inspection Method | Instrument |
| Other Inspection Method | |
| Check Point at Final Inspection | Yes |
| Checking Freq. | 100% |
| Sampling | No |
| Sample Size | 100% |
7. Root Cause Analysis (Occurance)
| Why 1 | PARALITY NOT OK.-PARALLISUM FOUND NOT OK. |
| Why 2 | CNC chuck jaw boring was not completed on time |
| Why 3 | The operator is not aware of CNC jaw boring |
| Why 4 | The frequency for jaw boring has not been decided |
| Why 5 | |
| Root Cause (Occurance) | The frequency for jaw boring has not been decided |
Root Cause Analysis (Outflow)
| Why 1 | PARALITY NOT OK.-PARALLISUM FOUND NOT OK. |
| Why 2 | Defected Part By Mistake Mix By CNC operator |
| Why 3 | Improper arrangement of defective parts stored on the CNC machine. |
| Why 4 | |
| Why 5 | |
| Root Cause (Outflow) | Improper arrangement of defective parts stored on the CNC machine. |
8. Countermeasure ( Occurrence , Outflow & System side Actions )
| Type | Countermeasure Details | Responsibility | Target Date | Actual Date | Status |
|---|---|---|---|---|---|
| Occurance | Define the frequency of CNC jaw boring and provide training to the operator. | Production Head | 14/08/2024 | 14/08/2024 | Completed |
| Outflow | Arrange the lock and key in the red box on the CNC machine. | Quality head | 17/08/2024 | 17/08/2024 | Completed |
9. Inspection Method After Customer Complaint
| Change In Inspection System | Yes |
| Change Details | 100% |
| Inspection Method | Instrument |
| Other Inspection Method | |
| Check Point at Final Inspection | Yes |
| Checking Freq. | 100% |
| Sampling | No |
| Sample Size | 100% |
10. Evidance of Countermeasure
| Occurance (Before) |
The frequency for jaw boring has not been decided 1006_Occurance_Before.pptx |
| Occurance (After) |
Define the frequency of CNC jaw boring and provide training to the operator. 1006_Occurance_After.jpg |
| Outflow (Before) |
Improper arrangement of defective parts stored on the CNC machine. 1006_Outflow_Before.jpg |
| Outflow (After) |
Arrange the lock and key in the red box on the CNC machine 1006_Outflow_After.jpg |
11. Horizontal Deployment
| Horizontal Deployment Required | Yes |
| Applicable Machine / Model / Plant | All Machine and all models |
12. Document Review
| Documents | PFMEA, WISOP |
| Specify Other Document | no |
13. Effectiveness Of Action
| Reviewed Quantity | 50 |
| Reason for submission | Work instruction updated for jaw boring frequency but no revision number updated |