Industrial aluminum profiles are often used for a long time, and the surface of aluminum materials will turn yellow, which affects the appearance of aluminum materials to a large extent. Why do industrial aluminum profiles turn yellow? There may be several reasons. Industrial aluminum profiles are not in full contact with the conductive rods during processing, which increases the resistance, reduces the time for oxide film formation, and causes powdering of the oxide film, which causes the surface of industrial aluminum to turn yellow. Industrial aluminum materials are not cleaned before electrophoresis. Incomplete cleaning will cause the acid radicals in the oxide film holes to react with the electrophoretic paint to cause yellowing of the electrophoretic paint film, resulting in yellowing of the aluminum surface. To remove ash during aluminum processing, nitric acid is added. After the aluminum is cleaned, some of the nitric acids may be brought into the oxidation tank, affecting the oxidation of the surface of the aluminum, causing the surface of the aluminum to become black. We can add a neutralizer and adjust the PH value.
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The main raw material component of industrial aluminum profiles is aluminum, which is generally used in aerospace, shipping, construction, electronics industry, transportation, and other industries. With the development of the aluminum industry getting better and better, there are many types of industrial aluminum profiles on the market, how do we distinguish the quality of industrial aluminum profiles? Oxide film thickness: The thickness of the oxide film is not enough, and the surface of aluminum is prone to rust and corrosion. The national standard for architectural and industrial aluminum oxide film thickness should not be less than 10 microns. Main chemical composition: If a large amount of waste aluminum is mixed into the raw material, industrial aluminum profiles can greatly reduce the cost, but it will lead to unqualified industrial aluminum chemical composition and seriously endanger safety engineering. Dimension drawings with approximately the same thickness distribution: cross-sectional size, width, and center hole, but the wall thickness varies greatly, and can also be quite different weights, and the price will also vary greatly. Manufacturer: The raw materials, production process standards, and quality of large aluminum profiles are strictly controlled. Although some small factories have low prices, they cannot guarantee quality.
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The current industry is not only a competition product but also an era of competition services. To provide customers with better products and related services, when the factory produces and processes products, each step must strictly abide by the specifications, to ensure that the quality reaches the qualification To make customers satisfied, we can have long-term development. The following editors will talk about what should be paid attention to when producing aluminum profiles?First,Timeliness of heat treatmentWhether it is producing ordinary profiles or industrial aluminum profiles, the temperature in the furnace must be controlled within the specified range, and it can be released after being kept at this temperature for three hours. After the product is taken out of the furnace, the fan must be turned on to blow it for some time to cool it. This process should be inspected by the quality inspector. Second, check the quality of the processed products After processing the product, the aluminum profile manufacturer must also check the product, whether the surface of the product is smooth, without oxidative corrosion or related defects, and whether the curvature and twist of the cut profile are kept within an acceptable range. Third, the product clean packaging in timeFor products that pass the quality inspection, the factory should package the products according to the processed size. When packaging, it must be very strict. Only after the packaging is completed can it be guaranteed that there will be no scratches or scratches during transportation.
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Customers who use a lot of industrial aluminum profiles have always been very concerned about the processing of industrial aluminum profiles. The price of industrial aluminum profiles is very transparent. Those who purchase industrial aluminum profiles for a long time know that the pricing model of industrial aluminum profiles is "aluminum ingot price + processing fee". The price of aluminum ingots in various regions of the country will not differ too much. The difference is mainly in the processing fee. Let’s take a look at how much aluminum processing costs are. Three factors affecting the processing cost of aluminum profiles: 1, see the difficulty The larger the cross-section, the higher the accuracy requirements, the more complicated the processing procedure, the higher the relative price 2, see what kind of surface treatment the finished product is There are spraying, electrophoresis, sandblasting, etc., different surfaces require different prices 3, look at the packaging of industrial aluminum profiles Separate package cotton, film, plastic bag, shrink film, kraft paper, carton and other different packaging methods, the relevant costs also vary
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Industrial aluminum profiles are widely used in all walks of life, but you may never have a systematic summary of the specific industries that have been developed and applied. Today, the editor will take you to summarize the industries in which industrial aluminum profiles are applied. The first is the application of aluminum profiles in transportation: The transportation industry is a necessary part of life, is to improve the quality of life, and One of the important factors of quality of life. The current transportation industry mainly includes passenger and cargo transportation by plane, high-speed railway and double-decker passenger transportation, heavy-duty freight transportation, underground railway; passenger and cargo transportation by automobile, motorcycle, and bicycle, passenger and cargo transportation by ship, etc. These vehicles require aluminum profiles for support. Let us analyze: the development and application of aluminum profiles in the railway, automobile, motorcycle, bicycle, and shipbuilding industries. 1. Application of aluminum profiles in ship transportation The use of aluminum alloy profiles in shipping vehicles has to be calculated from the 1890s, and there have been more than 100 years of Rexroth. Nowadays, aluminum alloy profiles are widely used in ship vehicles, and aluminum type vessels are developing faster and faster. 2. Application and development of aluminum alloy profiles in aircraft Aluminum alloy profiles also have great development in the aerospace industry because of their lightweight, strong plasticity, corrosion resistance, and ease of assembly. Large-scale special aluminum alloy profiles have become one of the important subjects in various local competitions. At present, many complex overall large-scale special aluminum alloy extrusion profiles have become indispensable and important structural materials in the aerospace industry. For example the aluminum plates and aluminum profiles required for each passenger aircraft require about tens of tons, and the outer shell of each aircraft requires high-quality aluminum alloy profiles. The skeleton of the aircraft needs to be covered with aluminum alloy, and the main skeleton needs to be supported by extruded profiles... Many countries have established research institutes to study the application of aluminum profiles on aircraft. 3. Development prospects of aluminum profiles on railway vehicles In recent years, our railway vehicles are developing towards lightweight, large size, double deck, high speed, safety, energy-saving, comfort, multi-function, low cost, and long life. Along with this, the requirements for car bodies made of aluminum profiles have gradually increased. Therefore, aluminum profiles for railway vehicles are also developing in the direction of large-scale integration, light-weight hollow walls, universal standardization, high performance, multi-function, energy saving, safety, cost reduction, improved material utilization, and production ef...
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