HS code directory for imports

List of the catalog of this article:

• 1,HS code directory for imports Will aluminum alloy wheel hub scratches rust
• 2,Car Benefits of Aluminum Alloy Suspension
• 3. Which parts of cars are made of aluminum alloy now?
• 4, Why is it better to have aluminum alloy body?
• 5, Why luxury cars use aluminum alloy to make suspension
• 6, The car connecting rod is several aluminum alloy

Will the aluminum alloy wheel hub be rusted

1. Volkswagen's wheel hub scratches will not rust , it is an aluminum alloy wheel hub. The hub is the part where the axle is installed in the center of the wheel, which is often called "wheel rim" or "steel rim". The hub is easy to get dirty. If it is not cleaned for a long time, it may be corroded and deformed, resulting in safety hazards.

2. Aluminum alloy will not rust. Aluminum alloy wheel hubs have a variety of structural designs such as integral and multi-piece combination in the structure; in terms of appearance, there are a variety of structural designs such as wide spokes, narrow spokes, multi-spokes and few spokes.

3. This is an aluminum alloy wheel hub, which will not rust without treatment.It is necessary to evaluate whether the hub needs to be repaired according to the specific situation: according to the material of the hub: the surface of the hub with electroplating and polishing is very bright, so it is not necessary to repair. Another reason is that the repair is too expensive and not worth repairing.

Car benefits of aluminum alloy suspension

Because the weight of aluminum alloy is relatively light, it can reduce the weight under the spring. The weight under the spring reduces the rebound and expansion speed of the shock absorber, which can improve the comfort of the car. However, due to the relatively high cost of aluminum alloy, only expensive luxury cars will use aluminum alloy to make the swing arm of the suspension.

The advantages of aluminum alloy suspension are as follows: stronger grip: aluminum suspension can reduce the mass under the spring, which can improve the response speed of the shock absorber.The response speed of the shock absorber will improve the ground-to-the-ground performance of the wheel, and the more close-to-the-ground wheel, the stronger the grip of the wheel.

Most of the middle and high-end cars adopt aluminum alloy chassis and suspension. The advantages of aluminum alloy are durability, low maintenance cost, and the characteristics of light quality. While reducing the weight of the whole vehicle, it also greatly reduces the burden on the wheels. In order to better achieve weight, if the front suspension of the vehicle is on the fork arm and the rear suspension The swing arm is also made of aluminum alloy.

Because aluminum alloy is lighter, it can reduce the mass under the spring. The mass under the spring reduces the rebound and expansion speed of the shock absorber, which can improve the comfort of the car. However, because the cost of aluminum alloy is relatively high, only expensive luxury cars will use aluminum alloy to make the swing arm of the suspension.

Most of the middle and high-end cars on the market use aluminum alloy suspension. The suspension of this material has the advantages of light weight and relatively low maintenance cost. When the weight of the car is reduced, the pressure on the wheels will be greatly reduced, so the sensitivity of the car will be improved, the controllability will be more sensitive, and the fuel consumption will be reduced accordingly.

Turn the suspension into assembly parts, which improves the universality of the suspension and reduces the research and development cost. 4 Assembly parts are convenient to install and reduce the assembly cost. The disadvantages of the subframe. The huge subframe will increase the weight of the vehicle. Although it is made of aluminum alloy, it can reduce the weight, but it will increase the cost.

Which parts of cars are made of aluminum alloy now?

1. Casting aluminum alloy is mainly used for casting engine cylinder blocks, clutch housing, rear axle housing, steering housing, transmission, gas distribution mechanism, oil pump, water pump, rocker arm cover, wheel, engine frame, brake calliper, cylinder and brake disc and other non-starting mechanical parts.

2. The piston and piston ring should be used. The aluminum alloy piston and piston ring are located in the heart of the engine, and the quality of its working directly affects the performance of the engine.The pistons of modern engines are mostly made of aluminum alloy. Its main advantages are light quality and good thermal conductivity, and the piston and piston ring are a pair of friction.

3. Steel: used to make frames, chassis, doors, etc. High-strength steel can improve the rigidity and stability of the car. Aluminum alloy: used to manufacture engines, car bodies, hubs, etc. Aluminum alloy has the advantages of lightweight, high strength, corrosion resistance and so on. Plastic: used to manufacture parts, interior decoration, appearance, etc.

4. At present, the most widely used in automobiles is: all-aluminum engine. There are so many models applied, so I won't give examples one by one. All-aluminum body. The more common is the Audi A8. Wheel hub. Some parts. Such as horns, swing arms, etc. in the hanging system. Some peripheral products. Such as roof racks, etc.

Why is it better to say that the car body is made of aluminum alloy?

The advantages of aluminum body are lighter weight and higher strength. The disadvantage is that once a collision occurs, it is difficult to repair, and the repair cost is relatively high. Many brands of cars use aluminum bodies, such as Jaguar, Audi and so on. After an aluminum car collides, it is quite difficult to repair, and it costs more money.

For cars, in addition to fuel-saving, the lightweight all-aluminum alloy body can squeeze out the ultimate power and control performance. Generally speaking, under the condition that the power remains unchanged, the lighter the car, the faster it accelerates and the more sporty, and the side tilt of the curve will also be weakened. And under the same strength, the lighter the car, the safer it is.

The body weight of the aluminum body is smaller, so that the car is better to control and more flexible.There are still relatively few car manufacturers that use aluminum bodies.

Once the vehicle collides, the metal is deformed and distorted. Due to the special processing process, the maintenance cost is also much higher than that of traditional materials. At the same time, because the repair process is also very complex, it is basically impossible for 4S stores to complete large-scale repair, and the all-aluminum body is often scrapped directly.

Why luxury cars use aluminum alloy to make suspension

1. High-end cars use aluminum suspension to improve comfort, and supercars will also use aluminum suspension to improve controllability. The cost of aluminum suspension is relatively high, which is not seen in ordinary compact family cars. In order to reduce the weight of some cars, aluminum alloy will also be used for the front and rear subframes.

2. Because the weight of aluminum alloy is relatively light, it can reduce the weight under the spring.The weight under the spring reduces the rebound and expansion speed of the shock absorber, which can improve the comfort of the car. However, due to the relatively high cost of aluminum alloy, only expensive luxury cars will use aluminum alloy to make the swing arm of the suspension.

3. The advantage of aluminum alloy is that it is light in weight, which is in line with the development trend of lightweighting of automobiles, while the cast iron suspension is stronger and more suitable for some strong off-road vehicles. The root cause is to reduce the self-weight of the vehicle. The lighter the weight of the whole vehicle, the more conducive it is to improving the power-quality ratio and fuel consumption. Reduce the mass under the spring.

The car connecting rod is several aluminum alloy

[Pacific Automobile Network] The BMW 5 series rear suspension is made of aluminum alloy. The advantage of aluminum alloy is that it is strong and light in weight, which can be reduced.Less weight under the spring, which is equivalent to exponentially reducing the weight of the body for the engine, and the suspension system will also have a faster response speed.

The aluminum castings used to manufacture suspensions are seven-series aluminum alloys. The domestic output is very low, and most of them rely on imports, so the cost of aluminum alloy suspension is indeed very high; its advantage is to effectively reduce the non-spring load quality, which is a necessary condition for improving the overall performance of the vehicle.

[Pacific Automobile Network] Among the rear suspension materials of the BMW 7 Series, except for the upper control arm, which is aluminum alloy, the other connecting rods are stamped steel. Advantages of aluminum alloy suspension: stronger grip, aluminum suspension can reduce the mass under the spring, which can improve the response speed of the shock absorber; low cost.