Why does oil appear on the surface of aluminum panels?

Dec 19, 2024

Leave a message

With the use of aluminum plate is more and more widely used, the use of the process of quality problems have begun to highlight, in which the surface of the aluminum plate appeared oil is one of the common problems.
Aluminum plate quality problems in the use of the process generally have two reasons, one is the production process staff negligence, and the second is the later use of the process of improper operation. As one of the common quality loss, the problem of oil contamination can be avoided in the production process from the operation and use of equipment.

Oil pollution does not mean that the aluminum plate production is completed with, but in the rolling of aluminum plate, the surface of the aluminum tip with too much oil, and also comes with in addition to the rolling of the oil film in addition to the excess oil, in the later stage of the finished product inspection and slitting production, it will be found on the surface of these visible oil. A lot of oil is mainly distributed in the mill outlet of the upper and lower or roll neck, after dumping spatter dripping on the box surface, which led to the mill clear rollers in the mill because of the mill thickness measuring head dripping oil and abnormal conditions, and the composition of these oil is not only complex but also particularly dirty.
Aluminum plate surface generated by these oils, will bring a lot of harm to the surface of the aluminum plate. At the same time, we usually judge the quality of aluminum plate, the number of oil defects is also an important criterion. On the one hand, because the thickness of the aluminum plate is relatively thin, in the subsequent annealing, it is easy to form a bubble, and because the surface has too much oil so it will form a lot of residue on the surface of the aluminum plate, which will also lead to the use of the performance of the later is not very good. On the other hand, only the surface of the aluminum plate is clean enough to meet the requirements of the aesthetics that it is used as a decorative and packaging material, otherwise it will be difficult to sell.

aluminum sheetaluminum sheetaluminum sheet

Is there no way to avoid these quality problems during production? Of course not, in fact, aluminum manufacturers can be in the production of aluminum panels before the production equipment to carry out a comprehensive rigorous inspection. If there is a lot of oil in the machine itself, it should be cleaned in time and find the reason to solve the problem in time. At the same time, it should also be cleaned on the plate of the production products as well. If there are oil stains that cannot be cleaned off at the beginning, the product will be scrapped directly. If the oil stained products into the warehouse or into the market, the subsequent product quality control will only be more difficult, but also has a lot of processing after-sales problems.