Car lovers, get up! Here comes the wheel knowledge encyclopedia
release time:
2023-02-02
Wheels are a hot topic for car lovers. What kind of topics are discussed in daily life? Let's learn some knowledge about wheels today!
Wheels are a hot topic for car lovers.
In daily life, what kind of topics are discussed?
Today, let's learn some knowledge about wheels!
Detailed classification of wheel production process
As the walking support component of the car, the wheel plays a very important role. The configuration of the original mass-produced car wheel hub needs to take into account comprehensive factors such as cost, vehicle model positioning, economic efficiency, and vehicle performance. Therefore, the production of the wheel hub contains many tricks! After different material selection and casting processes, the wheel hub can be divided into the following categories:
1. Iron wheel hub
The manufacturing process of the iron wheel hub is simple, the cost is relatively low, and the metal has a strong sense of fatigue resistance. It is the first choice for low-cost wheels, but due to its relatively bulky appearance, large inertial resistance, poor heat dissipation performance, and easy rust and corrosion, the iron wheel hub is only widely used in the early stage of wheel hub development.
In the 21st century, people's requirements for automobile quality have gradually increased, automobile production has gradually shifted to the middle and high-end, and the competition in the automobile market has continued to intensify. Iron wheels have gradually withdrawn from the automobile parts market and become a historical mark. In today's market, we rarely see iron wheels. The fundamental reason lies in the progress of productivity. The backward wheels have been eliminated.
2. Casting wheels
Compared with iron wheels, cast wheels are the product of productivity progress. In the development history of wheels, cast wheels have achieved a major leap in traditional wheel production. Using a variety of casting processes, they have made the best use of their strengths and avoided their weaknesses to achieve the transformation and upgrading of the wheel industry.
There are many manufacturing processes for casting wheels. There are currently three main types: gravity casting, low-pressure casting, and spinning casting. The three processes have their own strengths and corresponding weaknesses. At present, most of the original aluminum alloy wheel processes on the market are low-pressure casting processes, which also benefit from the outstanding advantages of low-pressure casting, such as good formability, clear contours, and uniform density.
3. Forged wheels
Forged wheels are a processing method that uses a thousand-ton forging press to apply pressure to metal blanks to make them plastically deform to obtain forgings with certain mechanical properties, shapes and sizes.
Currently, forged wheels are mainly divided into two types of wheels: single-piece and multi-piece. They provide guarantees for different customer needs to varying degrees. Compared with the first two types of wheels, forged wheels have the advantages of wheel production under the blessing of modern technology. Of course, their production costs are also correspondingly increased, and the manufacturing costs are naturally higher.
Wheel modification precautions
After understanding the classification of wheels, of course, it is necessary to mention the matters that car owners should pay attention to when modifying wheels after choosing the type of wheels:
First, pay attention to the width, that is, the "J value" of the wheel (in inches), which refers to the distance between the flanges on both sides of the wheel.
Second, pay attention to the offset, that is, the "ET" of the wheel (in millimeters), which refers to the distance from the center line of the wheel to the mounting surface.
The third is to pay attention to the wheel hub hole distance and hole position, that is, the wheel hub's "PCD", which refers to the diameter between the fixing bolts in the center of the wheel hub.
Friends who play with cars, when you choose a wheel hub, you must pay attention to these three sets of data. If these three sets of data are suitable for your car, the wheel hub will become the best accessory for your car; on the contrary, when the wheel hub is not suitable for the car, it will also cause abnormal driving of the vehicle, thus affecting your travel and even causing safety problems.
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