1, visual inspection
Visual inspection is the first step of finished product inspection. Mainly to check the appearance of the product, including whether there are scratches, discoloration, depressions and other defects on the surface of the product, as well as whether the signs and labels of the product are in good condition. Appearance inspection is an important link to judge whether the product meets the basic quality requirements, because the appearance quality of the product directly affects the first impression of customers and the market image of the product.
2. Function detection
Functional testing is to test the function of the product to ensure that the product can work normally. Such as power test, key test, signal test, etc. Functional testing is a key step to check whether the product meets the use requirements. Only when all the functions are normal can we meet the customer's requirements.
3. Reliability testing
Reliability testing is an important part of finished product inspection. It mainly tests the durability and stability of the product to ensure that the product will not fail or be damaged during use. Reliability test is an important means to evaluate the stability of product quality. Through this link, we can ensure the stable performance and long service life of the product in the process of customer use.
OQC inspection method
1, visual inspection
This step is mainly to observe the appearance of the product with naked eyes, so as to judge whether there are obvious defects or bad conditions in the product. Visual inspection is the most basic and simple part of all quality inspection, which can find obvious problems of products in the first time so as to repair or deal with them in time.
2, test instrument detection
In this step, various professional test instruments will be used to test the products. Such as multimeter, power tester, signal generator, etc. These testing instruments can accurately measure the voltage, current, frequency and other parameters of the product, so as to judge whether the function of the product is normal or not.
3. Laboratory testing
For some products that need to be tested in a specific environment, they can be sent to the laboratory for testing. That is, laboratory testing. For example, for electronic products, we can send them to the laboratory for high temperature, low temperature, humidity and other environmental tests, so that we can simulate the use of products under various extreme conditions and evaluate the quality of products more accurately.