来源：http://www.jndclyyxgs.com 发布时间：2020-03-06 13:33:17
At present, in the production of 5052 aluminum plate, many enterprises often have residual oil on the product surface, which may cause oil spots and oil sticking. The real reason for sticking oil is that the surface of aluminum foil is not clean. The following measures can be taken to reduce the residual oil on the surface of aluminum plate:
Firstly, the oil is cleaned in the rolling process, such as installing the oil baffle and splash plate on the roll, passing the oil from the roll neck and the gap between the rolls, and fully catching the oil on the working roll surface of the roll. Reasonable cleaning oil for upper roll surface and plate surface. Can greatly reduce surface oil residue; in the second. Shape of the control panel. If the shape of the finished aluminum foil is not good. When cutting and rewinding, one side or two sides are tightly wound, resulting in uneven clearance rate of aluminum coil, uneven sealing of each part, and evaporation of residual oil on the surface during annealing. Viscous oil may be present where it is tightly wound.
Third, choose the appropriate rolling speed and winding tension. In double roll rolling, too high rolling speed and too high coiling tension will reduce the brightness of aluminum foil surface and increase the oil gas discharge resistance during annealing.
Fourth, choose the right rolling oil to prevent rolling oil pollution. The oil with low width, low flash point and narrow rectification range is generally used as the base oil for aluminum foil rolling.
Fifthly, the volume gap should not be too small when cutting, and warpage should be avoided to avoid affecting the effect of annealing furnace oil removal. If warpage, the side resistance of annealing furnace oil removal will increase, or even fall off. So there is adhesion.
Sixthly, the annealing temperature of aluminum foil should not be too high.
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