3 Number Receiving Inspection System of AQL

 Introduction

Acceptance Quality Level (AQL) is widely used in clothing and textile inspection, raw materials, finished products and semi-finished products inspection, as well as electronic products, medical devices, etc.
Details
The three inspection methods of AQL (Acceptance Quality Level) include general inspection, key inspection and special inspection.

1. General inspection: This inspection is mainly aimed at the general performance of the product, including quality inspection, appearance inspection, size inspection, etc. As long as the product meets the minimum requirements, it can pass this inspection. General inspection is suitable for those scenarios where the product quality requirements are not high.

2. Key inspection: Key inspection targets the key performance of the product, involving safety inspection, performance inspection, reliability inspection, etc. These inspection results have an important impact on the use of the product, so they must meet specific standards. Key inspection is suitable for those scenarios with strict requirements on product quality, especially those involving safety performance.

3. Special inspection: Special inspection targets the special performance of the product, such as durability, corrosion resistance, and pollution resistance. This inspection is more complicated and more demanding than general inspection and key inspection. Special inspection is suitable for those scenarios with high unit price and special requirements for product quality.

Background history of AQL
AQL standard is an important basis for product inspection, and the inspection standard is determined by probability. It is widely used in industrial production and quality control to ensure the stability of product quality.

Sampling inspection methods
Sampling inspection methods include simple random sampling, systematic random sampling, stratified sampling and cluster sampling. These methods have detailed regulations and application scenarios in the AQL standard.

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