QFR No - 8000862065
Defect Details
| NC No. | 8000862065 |
| NC Date | 07/02/2024 |
| 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 | NOT AS PER SPECIFICATION-PARELLELISM MORE |
1. Problem Description
| Defect Description | Parallelism more |
| Detection Stage | Inprocess |
| Problem Severity | Function |
| NG Quantity | 27 |
| 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 |
2500
|
0
|
0
|
1580
|
0
|
4080
|
| Check Qty |
2500
|
0
|
0
|
1580
|
0
|
4080
|
| NG Qty |
27
|
0
|
0
|
2
|
0
|
29
|
| Scrap | 29 |
| 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 | No |
| Machine / Cell | CNC-2 |
| Machine / Cell No. | CNC SECTION |
5. Problem Analysis
| Type | Possible Cause | Fact Verification | Jud |
|---|---|---|---|
| Machine | Heavy Burr Sticked With CNC Chuck Jaw | Air Flushing Arrangement not available 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 | Parallelism Not OK |
| Why 2 | Job Not proper clam Feed at CNC Jaw |
| Why 3 | Heavy Burr Sticked With jaw |
| Why 4 | Air Flushing Arrangement not available on machine. |
| Why 5 | |
| Root Cause (Occurance) | Heavy Burr Sticked With jaw and Air Flushing Arrangement not available on machine.. |
Root Cause Analysis (Outflow)
| Why 1 | Parallelism Not OK |
| Why 2 | Parallelism Parameter Not check 100 % on machine |
| Why 3 | Parallelism parameter checking instrument not available |
| Why 4 | |
| Why 5 | |
| Root Cause (Outflow) | Parallelism parameter checking instrument not available |
8. Countermeasure ( Occurrence , Outflow & System side Actions )
| Type | Countermeasure Details | Responsibility | Target Date | Actual Date | Status |
|---|---|---|---|---|---|
| Occurance | Air Flushing Arrangement not available on machine. | Maintenance Head / Production Head/Quality Head | 12/02/2024 | 12/02/2024 | Completed |
9. Inspection Method After Customer Complaint
| Change In Inspection System | Yes |
| Change Details | New Dial stand arrange on CNC machine |
| 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) |
Before Air Flushing Arrangement Not Available on CNC Machine for CNC Jaw Loose Burr Remove after Process Part Unload 659_Occurance_Before.pptx |
| Occurance (After) |
Air Flushing Arrangement on CNC Machine for 100% CNC Jaw Loose Burr Remove after Process Part Unload and then New Part Load for Machining Process. 659_Occurance_After.pptx |
| Outflow (Before) |
Before Dial Stand not Available on CNC machine for 100% parallelism specification Inspection 659_Outflow_Before.pptx |
| Outflow (After) |
Dial Stand Provide on CNC machine for 100% parallelism speciation Inspection . 659_Outflow_After.pptx |
11. Horizontal Deployment
| Horizontal Deployment Required | Yes |
| Applicable Machine / Model / Plant | All Cap Oil Lock |
12. Document Review
| Documents | ControlPlan, PFMEA |
| Specify Other Document | no |
13. Effectiveness Of Action
| Reviewed Quantity | 286 |
| Reason for submission | Found ok |