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Optimisation of the die casting process and microstructure prop

  • The development of the automobile industry and related industries have been driven by the needs of people. Automobiles are complex machines made up of a variety of components, including wheels. The manufacture of wheels necessitates a great deal of expertise. The common wheels, which are visible to the naked eye, are made of aluminum alloy and are cast using low-pressure casting technology. This paper introduces the advantages of aluminum alloy material, studies its structure and properties, and then discusses the specific optimization of the low pressure casting aluminum alloy wheel casting process.

    From the ancient carriage to the modern automobile, the ever-improving modes of transportation allow people to save a significant amount of time on the road. Automobiles are now a part of thousands of families, ranging from the original luxury to a necessity for the average person. Furthermore, the general public is gradually becoming accustomed to the high cost of automobiles. Every year, the number of people who own a car in China grows, demonstrating that automobiles have become a very popular mode of transportation among the populace. Where there is a demand, there is a market. It has advanced at a rapid pace, from the automobile industry to the automotive aftermarket. The greater the rate of development, the greater the number of problems that arise. The steering wheel of a car is an extremely important component of vehicle. When it comes to wheel materials and manufacturing processes, aluminum alloy wheels and low-pressure casting are the most commonly used. The process optimization and microstructure properties of low-pressure aluminum alloy wheel casting and die casting services were investigated in this paper.

    An investigation into the benefits, microstructure, and properties of aluminum alloy wheels
    Car maintenance has always been a source of contention for both car manufacturers and car owners alike. Automobile manufacturers and owners, particularly in the area of automotive parts, are becoming increasingly concerned about how to improve the performance and durability of their vehicles. Wheels made of aluminum alloy are the most common type of vehicle wheel.

    Advantages of using an aluminum alloy rim
    When compared to other metals, aluminum alloy wheels have a number of distinct advantages. Aluminum alloy is composed primarily of aluminum, which has a low melting point and a low density, making it very light and not as hard as steel. Adding some alloy to aluminum can improve its weak state, which is why aluminum alloy is used. Aluminum cannot be used as a rigid material on its own, but aluminum alloys can alter the status quo and performance of aluminum while maintaining the weight-saving and light-weight properties of aluminum. Aluminum alloy is not only lightweight, but it is also corrosion-resistant, has excellent performance, and has a high strength to weight ratio. Furthermore, it has some advantages over steel that steel does not have. It has a plastic feel to it. 


    And steel is responsible for its lightness, which is unmatched by any other material. In industry, the use of aluminum alloy is not inferior to the use of other materials, and the automotive industry, in particular, has a distinct advantage. There are advantages and disadvantages to researching the microstructure and properties of aluminum alloys. It is undeniable that aluminum alloys have many advantages, but they also have some disadvantages. For example, after exposure to high temperatures, the aluminum alloy will lose some of its performance, will become soft, and its liquidity will be significantly reduced, all of which will have an impact on the quality of the aluminum alloy die casting mold


    When it comes to the performance of aluminum alloy, there is a technology known as repair technology that is used in the aluminum alloy process, which gradually improves the quality of the aluminum alloy. Although the safeguard measures for this technology are relatively perfect, if they are not put in place, it may result in a high level of risk, and the audit will endanger the lives of those who are subjected to it. As a result, it is necessary to repair this technology in order to fully ensure the quality of aluminum alloy casts. Pneumatic grinders, pneumatic small milling cutters, electric small milling cutters, and flat shovels are some of the most commonly used tools for repairing the damage.

    It is a step-by-step process to ensure that the technique is fully functional; it is not a deliberate fix, but rather a perfectly natural transition. It is necessary to understand the organization and performance of aluminum alloy in order to appreciate that the alloy in the aluminum alloy is primarily intended to increase the strength of the material; for example, copper, magnesium, and other elements can combine with aluminum to form two or more kinds of high hardness intermetallic compound phases. 


    At different temperatures, the compound phase dissolves in stages. This dissolution is inversely proportional to temperature; if the temperature is extremely low, there will be no complete dissolution, but only partial dissolution. The temperature has an effect on the hardness of aluminum alloy die cast parts, because the higher the temperature, the more the compound will dissolve, resulting in the formation of the structure and performance that is self-evident. 


    At lower temperatures, however, because the combination cannot be completely dissolved, it will invariably leave many unmelted parts that will combine with the aluminum solid solution to form a compound phase with higher hardness. As a result, in order to ensure a good microstructure and performance of aluminum alloy, the solution temperature should be set appropriately. By understanding the principle of compound dissolution as well as the conditions of compound dissolution, you can achieve a higher hardness of the aluminum alloy.

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