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Analysis of Low Pressure Casting Technology for Automotive Cast Aluminum Wheels

Mar. 16, 2020

The wheel hub is an important part of the car, and the casting technology of the wheel hub is directly related to the performance of the car. The commonly used wheel material is Aluminum Alloy Wheels. In a car, the quality of the wheel is directly related to the performance and service life of the car. The lighter the weight of the wheel hub, the more the car can achieve fuel savings. Aluminum wheels are popular with major car manufacturers because of their light weight and beautiful appearance. The main material is aluminum alloy. This material can not only save a lot of production costs, but also reduce the weight of the wheel hub, making the car move towards lightweight development. Aluminum alloy wheels can ensure good heat dissipation of the wheels, make the tires more durable, and achieve safe driving.

Aluminum Alloy Wheels

Aluminum Alloy Wheels

1 Necessity of low-pressure casting of automotive aluminum wheels

For large automotive aluminum wheels, forging is generally used. Because this type of automotive aluminum wheel can't be processed and formed in one time, it needs to be processed by section forging.

2 Principles of low-pressure casting

The principle of the low-pressure casting method is to place the aluminum alloy liquid in a pot with superior sealing. In order to ensure the smooth pouring, the temperature of the liquid should be kept within the requirements of the pouring. In order to ensure the smooth filling, it is necessary to use the performance of compressed air to apply force to the liquid surface to increase the pressure difference between the pot and the cavity, so that the aluminum alloy liquid can be continuously raised under the effect of pressure. After passing through a series of channels, , Into the mold. This mold is usually closely connected to the pot, and when the seal is good, it can form aluminum alloy castings. The quality of the castings formed in this way is high, the forming state is good, the purity is high, and the casting efficiency can be improved. With the continuous development of the times, the advantages shown by the low-pressure casting technology are becoming more and more obvious, and are favored by automobile manufacturers in various countries around the world. However, there are certain problems with low-pressure casting technology, such as high cost and relatively long casting time, which requires effective cost reduction and shortened production time. This can further improve the low-pressure casting technology and make it work better.

4 Automotive Casting Aluminum Wheels Low Pressure Casting Process

For automotive cast aluminum wheels, the low-pressure casting process can be used to ensure the quality of the wheels. The low-pressure casting process includes many steps, and it is necessary to strictly follow the corresponding steps and requirements when casting.

In summary, by analyzing the low-pressure casting technology of cast aluminum wheels for automobiles, it is not difficult to find that as long as the Casting Low Pressure Wheels is improved, the quality of castings can be improved, and high-quality wheels can be obtained, making the car more lightweight and fuel-efficient Conducive to environmental protection. Cast aluminum wheels have very superior performance, which can improve driving safety and extend the service life of the car.

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