PPAP Element: Process Flow Diagram

What is it?

Step by Step designation of the process flow required to produce the referenced product which meets all customer requirements
Provide linkage to PFMEA and Control Plan
Traditional block diagram
May employ “Family” based diagrams
Should cover all steps from Receiving to Shipping

TEAM involved

Engineers
Operators
Supervisors
Maintenance
Supply Chain

Possible Inputs to Mapping

Engineering specifications
Lead time requirements
Target manufacturing costs
Operator experience
Observation
Brainstorming

Reviewers Checklist

Process Flow must include all phases of the process

Receiving
Storage/ material handling
Manufacturing
Offline inspections and checks
Assembly
Testing
Shipping

Should include abnormal handling processes

Scrap
Rework
Extended Life Testing

May also include Transportation