QAC (Quality Assurance Chain) is a systematic and integrated method to assure no defect outflow and no defect making. Consist of 3 levels :
- Level 1 : Map of all processes in the supply chain
- Level 2 : Focus on no defect outflow
- Level 3 : Focus on no defect making
There are 12 steps of Quality Assurance Chain (QAC):
- Step 1 : Theme Selection
- Step 2 : Set up Target
- Step 3 : Set Activity Plan
- Step 4 : Process Mapping & Problem Investigation
- Step 5 : Grasp the Confirm Item and Confirm Point to prevent defect outflow (level 2)
- Step 6 : Trial & Kaizen Activity
- Step 7 : Monitoring & Evaluation of Result and Process
- Step 8 : Standardized and Yokoten (copy paste)
- Step 9 : Grasp the Confirm Item and Confirm Point to prevent defect making (level 3)
- Step 10 : Trial & Kaizen Activity
- Step 11 : Monitoring & Evaluation of Result and Process
- Step 12 : Standardized and Yokoten (copy paste)
