The quality inspection of sports backpack production usually includes the following aspects:
1. Appearance inspection: check whether the appearance of the backpack is clean, without damage, off-line, color difference and other problems.
2. Size inspection: check whether the size of the backpack meets the requirements, including length, width, height, weight, etc.
3. Material inspection: check whether the quality of the materials used in the backpack meets the standard, such as the backpack fabric, zipper, button, shoulder strap, padding, etc.
4. Strength test: check whether the strength of the backpack meets the standard through tensile and extrusion tests.
5. Waterproof test: check whether the backpack can effectively waterproof and moisture-proof.
6. Comfort test: check whether the internal structure, shoulder strap, back cushion, etc. of the backpack conform to ergonomic principles and can provide good comfort.
7. Other tests: according to the characteristics and uses of different backpacks, other tests can also be carried out, such as wear resistance test, heat resistance test, corrosion resistance test, etc.
In a word, the quality inspection of sports backpacks needs to comprehensively consider multiple factors to ensure that the quality of products meets the standards and can meet the needs of users.