What is the size of BMW modified wheel hub

2023/05/12

What is the size of the BMW modified wheel hub? It is a high-tech enterprise in my country that focuses on the research and development, design, production and sales of aluminum alloy wheels, and an enterprise in my country's auto parts export base. It is located in Guangde Economic Development Zone, Anhui (the junction of Jiangsu, Zhejiang and Anhui) , strategic location and convenient transportation. The company covers an area of ​​120 mu, with a registered capital of 118 million yuan, total assets of nearly 180 million yuan, and more than 300 employees. It has 11 authorized inventions, 18 utility model patents, and 40 design patents. The company's stock was listed on the New Third Board on August 12, 2016. The stock code is 838269. The stock is referred to as "Technology". Special new "small and medium-sized enterprises, provincial high-tech cultivation enterprises.

When the temperature of the car hub is high, it should be allowed to cool naturally before cleaning. Do not wash it with cold water, otherwise it will damage the aluminum alloy wheel hub, and even deform the brake disc, which will affect the braking effect. In addition, cleaning the aluminum alloy wheel with a high-temperature cleaning agent will cause a chemical reaction on the surface of the car wheel, which will lose its luster and affect the appearance.

If the hub of the car is bent, broken or severely corroded, it should be replaced in time. If damaged car wheels are not replaced, the tires are likely to slip off the car wheels, and the car may even lose control. But if it's just scratches, it's not a big problem.

Based on the principle of technological innovation and independent research and development, the company has accumulated many years of production experience, and always adheres to the marketing purpose of "customer first, honest management"; the demand is "to satisfy all customers", strong research and development capabilities; The company has a complete and scientific quality management system. The company's integrity, strength and product quality have been recognized by the industry. Taking quality as the core, adhering to the business philosophy of "internationalization, branding, and scale", it is committed to "continuous improvement, pursuit of high-quality products, improvement of service quality, and satisfaction client needs". The material development of ordinary automobile wheels is not ordinary pig iron, but steel with a carbon content of 2.0% or less; but the proportion of pig iron is as high as 2.0% to 4.5%, so in mechanical design, there is a big gap between the strength and toughness of the two different materials .

However, even steel is not very strong. For example, body A-pillars made of hot-formed steel with a yield strength of up to 1,500 MPa may still bend in a crash. Therefore, the compression ability of the steel wheel hub is relatively weak, that is to say, it is relatively simple and easy to deform.

What is the size of the BMW modified wheel hub? The company was founded in 2011. After more than seven years of development and operation, the company has become a large-scale enterprise in the domestic aluminum alloy wheel industry with product serialization, large-scale production and brand management. For all types of off-road vehicles and heavy trucks, the original intention of using steel car wheels is to ensure driving safety in harsh environments, because the deformation limit of these car wheels is very low, but the fracture limit caused by deformation is relatively high. That is to say, the deformation of the steel automobile wheel hub is very serious. As long as it does not break after deformation, it can be driven barely, while the off-road vehicle is mainly driven on unpaved roads.

With the ups and downs of the road surface and the interaction of various foreign objects, the wheel hub of the car is easily deformed. When the temperature of the hub is high, let it cool naturally before cleaning, and do not wash it with cold water. Otherwise, the aluminum alloy wheel hub will be damaged, and even the brake disc will be deformed, which will affect the braking effect.

In addition, cleaning the aluminum alloy wheel with a high-temperature cleaning agent will cause a chemical reaction on the surface of the wheel, which will lose its luster and affect the appearance. When the asphalt on the wheel hub is difficult to remove, if the general cleaning agent does not help, try to use a brush to remove it, but do not use a hard brush, especially an iron brush, so as not to damage the surface of the wheel hub. The maintenance of the car hub is just like the maintenance of the car. Many household cleaners and detergents commonly used in the market have too much impact on the surface of the hub due to alkalinity or acidity, and will produce a chemical reaction on the surface of the hub, making it tarnish and affecting the surface of the hub. Exterior.

Therefore, it should be used with care. You can choose some neutral soapy water to wash. In order not to damage the protective layer of the hub surface, paint polish or other abrasive materials must not be used on the hub.

When the alloy protective paint is damaged, such as scratches by hard objects during driving, repair and repaint the alloy wheels at a professional maintenance station as soon as possible. The density of steel is significantly higher than that of aluminum alloy building materials, which is why aluminum alloy has been used for lightweight automobile chassis in my country; automobile wheels are "non-sprung parts". If the unsprung mass cost is too large, it will inevitably affect the work performance, handling performance and actual fuel consumption.

Just like a car hub, the weight loss of the hub is a direct result of the controlled torque output of the engine; because the powertrain transmitted to the wheel via the half shaft needs to be able to overcome the priority thing is the mass of the wheel (weight/drag during operation) , so the power at the hub of the car needs to be synchronized and can be lowered.

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