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What is an AQL Inspection?
An AQL Inspection is a product inspection method using the universal accepted international quality inspection standard: AQL sampling, defect rate, defect definition, defect classification methods to inspect the products.
It is a systematical & statistical way to randomly check the products, and see if the defect rate is within the Acceptable Quality Limit, and the shipment is acceptable, or should be rejected for rework.
Why using random check? 1) it is the factory's responsibilities to make sure the quality is generally acceptable, 2). it is too costly and unconvenient Because mostly it would cost too much time and trouble to do full check, 3) like the matches, it cannot be all tested to find out if every piece lights up, we can only test a handful randomly, and estimate the percentage.
The random samples need to be picked out from different spots of the product pile when all the products mostly full packed into the cartons or pallets. And if one products have too many defects, we only count as one defective products.
Please find below for an example check list for a onsite QC check inspection for OQC, IQC, FQC etc.
| B. SHIPPING MARK AND PACKAGING | ||
|---|---|---|
| B1.Shipping Marks and Packaging | Result | |
| - Was the condition of master/inner carton good? | OK | |
| - Was the content/ printing of shipping marks right? | Not OK | |
| - Was the special customer requirements correct? | OK | |
| - Was the wordings/graphic correct? | OK | |
| - No ply-wood is to be used in the construction of shipping cartons or pallets. | N/A | |
| - All openings of transport cartons should be sealed - “H” type of seal to be used in all cases. | OK | |
| - Do the cartons’ layers conform to the client's spec.? | OK | |
| - Products are perfectly fitted in the carton:(no over-packed, no gap, no crash are allowed) | OK | |
| - Does the sealing method for cartons conform to the client's spec.? | OK | |
| - Carton UPC barcode label(Must be readable) | OK | |
| - Use metal strap or plastic strap? | metal strap plastic strap no strap | |
| - Sealing method | staples adhesive plastic band metal band | |
| - What is the number of corrugated layers on carton? (1 corrugated layer=3ply); |
Single Wall Corrugated(3 ply) Double Wall Corrugated(5 ply) | |
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