Introduction of surface coating treatment process of aluminum casting products: The surface coating process of aluminum casting products is usually used to produce and process some aluminum products. For the purpose of anti-corrosion work, the surface of these workpieces needs to be sprayed and treated, and spray painting is a good solution to the surface. Isolated from air and water.

The coating process can generally be divided into: spray painting, powder spraying and electrophoresis. After the surface treatment of the workpiece, according to the requirements of different workpieces on appearance and corrosion resistance, appropriate spraying technology and equipment should be selected, and attention should be paid to the control of leveling, drying, cooling and other processes, otherwise it will have a negative impact on product quality. In general, the painting process can obtain better appearance quality. The spray paint coating has good gloss, color and weather resistance, and is usually used in occasions with high appearance requirements such as automobile outer coating and motorcycle fuel tank. For occasions with high anti-corrosion requirements, such as motorcycle frames, refrigerators placed in the kitchen, etc., the powder spraying process is generally used. The electrophoresis process is generally used in occasions with high requirements such as salt spray resistance and impact resistance, and acts as a primer. Of course, such as car wipers, door locks, etc., only one electrophoretic paint can meet the requirements. Sometimes all three processes can be applied to a product, which is determined by various comprehensive factors.

The room where the aluminum alloy casting aluminum castings are stored is kept dry, and there is no floating dust and air pollution, and the relative humidity of the air can be within 50%. 2. Before the utensils are put into storage, the stains should be removed, preferably after organic chemical maintenance. Do not use deep vegetable oil or raw material oil on the handicrafts, wear full cloth gloves when touching handicrafts, do not touch with sweaty hands, and do not use oil-stained paper or boxes for packaging. 3. To remove the dust on the aluminum alloy cast aluminum crafts, use a soft cloth, a soft brush, a soft toothbrush, duster, etc. 4. If you need to wash by hand, use distilled water, or warm the distilled water, and use neutralized soap. Ammonium hydroxide, alkalis, hoarfrost, sand cloth, etc. cannot be used.

If there is no major removal, it can be removed by technical professional and technical personnel. 5. The initial method of brushed and neat copper-aluminum alloy profile handicrafts is to apply a layer of organic chemical protective film or apply a layer of paraffin after heating. Today's method is to coat with a silicone material seal, which can prevent harmful substances and moisture damage. 6. In order to prevent the utensils from being damaged by reflection, they do not need to be placed on top of each other. 7. Regularly observe the transformation of aluminum castings and crafts. Once aluminum symptoms are found, they should be properly handled. The method can be cleaned with potassium sesquicarbonate (5% potassium carbonate + sodium bicarbonate) until there is no chloride ion content.

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