AQL inspection Standards

Regarding the sampling inspection, unless the customer has special requirements, the inspection will be carried out according to special requirements. In general, most of the customers are sampled and inspected according to the AQL sampling standard.

Under normal circumstances, most customers' sampling standards are based on Level II, Critical: 0, Major: 2.5, Minor: 4.0. The customers also have their own different sampling standards, such as some customers. Sampling and inspecting your own sampling standards according to Level II, Critical: 0.65, Major: 1.5, Minor: 2.5, etc. During the inspection process, as long as there is an excess in Critical, Major, and Minor, the result of the entire inspection is judged as Fail.

So how do you judge Critical, Major, Minor? Different products, different customers, there will be different criteria, the specific circumstances should be analyzed.

But for most products, these points are resolved according to the general definition (special products or special requirements are not discussed here):

1. Critical: 0-fatal defect.

Generally speaking, Critical refers to a fatal defect of a product. The product may cause harm or discomfort to the consumer. There is a safety hazard in use, or it may cause pollution to the product. If the merchant faces a consumer return or claim, it will be judged as Critical. Most customers are 0 accepted for Critical and 0 for tolerance. In general, such as: sharp points, sharp edges, cloaks, broken needles, sharp weapons, insects, hair, blood stains, mildew, etc., will be judged as Critical.

There is another category, such as printing a wrong placemark, or mislabeling or missing the product's UPC bar code. Many customers will also judge this as Critical, but some customers will also classify this as Major.

Once the problem is determined to be Critical, then the entire shipment is to be returned.

2. Major: 1.5 or 2.5 - serious defects

Generally speaking, Major means that the defects of the product are obvious, which seriously affects the appearance and has no safety problems. However, consumers are easy to find and affect consumers who purchase this product, and will be judged as Major.

For example, the malfunction of the product, the leakage of the gadget from the product, the impact on the use of the product, etc. are serious defects.

3. Minor: 2.5 or 4.0 - minor defects / minor defects

In general, Minor means that the product has minor defects, does not affect the use of the product, does not affect the function, and does not have a major impact on the consumer's purchase choice. It can be judged as Minor.

For example, thread ends, dirt, glue, poorly printed, slight wrinkles, etc. are all minor defects.

Understand the critical criteria of your product's Critical, Major, Minor, you will better understand the customer's focus on product quality, which customers can not accept intolerable problems, which are as much as possible in production need to control and go Avoiding problems can help you avoid pits in the production process, make your products easier to pass the inspection, ensure the quality of the products, win the trust of customers and deep cooperation. After all, the quality of the products is the customer. Very important point.

In fact, for inspection, the judgment of Critical, major, minor is a very professional field. Because there are so many kinds of products involved, this article can only help you to understand how to judge this standard, specifically to your own industry. The products should be analyzed in detail, and can be understood according to the standards of the guests and the general rules. It can be done to avoid some big pits.

In addition, regarding the judgment of Critical, major, and minor, in general, Critical is relatively easy to judge, and it is not easy to cause controversy, but many times Major and Minor judge, although many inspection companies have detailed procedures to introduce how Judgment, but often depends on the experience and professionalism of the inspector to make judgments, and sometimes it is more controversial. At this time, if you have some understanding of the concept of Major Minor, it will be good for your product if handled properly.