A rapid judgment method for blackening of 3104 tank material after pasteurization

Abstract

The invention discloses a method for quickly judging the blackening of 3104 can body materials after pasteurization, and belongs to the technical field of aluminum alloy strip quality detection. The steps of the judging method include: sample collection, sample processing, reference image collection, image comparison model establishment and unknown sample prediction. The method for quickly judging the blackening of 3104 tank body materials after pasteurization of the present invention can directly quickly judge whether the tank body materials after oiling in the aluminum material factory are qualified, thereby improving production efficiency and reducing production costs, and also improving the quality of downstream products. The quality assurance of user products has the practicality of promotion in the process of producing tank materials in aluminum factories.

Description

technical field [0001] The invention belongs to the technical field of aluminum alloy strip quality detection, and in particular relates to a method for quickly judging the blackening of 3104 tank body materials after pasteurization. Background technique [0002] The 3104 tank body needs to be oiled on the surface in the finished strip process. When the amount of oil applied is high or the pre-coated oil is unqualified, there will be residual oil on the surface of the finished tank after cleaning, which will cause the finished can to be damaged after pasteurization. There is a blackened tank bottom defect. Currently, the blackened tank bottom can only be detected in cleaned white cans or finished pop cans. The detection method is as follows: 1) Take the cleaned white can or finished pop cans and put them in a constant temperature water tank at 80°C; 2) After standing for 30 minutes, take it out to cool, and observe whether the bottom of the can is black. [0003] The existi...

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Problems solved by technology

[0003] The problems existing in the existing detection methods are: 1) The aluminum material factory cannot directly judge the degree of blackening of the bottom of the finished tank, and when downstream users report blackening defects, a large number of aluminum materials need to be reworked; 2) The test results of the can factory After it came out, a large number of finished product cans have been produced. Once unqualified, a large amount of materials will be wasted, which will increase production costs and reduce production efficiency.

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