During the production process, any one or more production factors in 5M1E (human, machine, material, method, environment, measurement) change, such as personnel changes, equipment adjustments and repairs, material and fixture changes, design changes, line stoppages, etc
Inspection of the first or first few products processed on the production line at the beginning of each shift or after process changes.
The quantity of inspections can be determined according to the requirements of different enterprises or customers.
Generally speaking, at least 3-5 consecutive products need to be inspected and qualified before continuing to process subsequent products.
Strict first article inspection is required before any changes occur to the equipment or manufacturing process, and before each work shift begins processing
The first article inspection adopts a three inspection system: self inspection, mutual inspection, and special inspection.
The products submitted for inspection must first undergo a "self inspection" by the operator, followed by a "mutual inspection" by the team leader or colleagues, and finally a "special inspection" by the inspector. After confirming that they are qualified, subsequent products can be processed
If the first article inspection is not qualified, it is necessary to identify the cause, take measures, and eliminate the fault before re processing and conducting three inspections. Only after passing the inspection can it be classified as the first article