What is a black and shiny steel rim
Black and glossy steel rims usually refer to the mirror-like effect achieved by electroplating on car rims, which features high reflectivity and a sense of fashion. The following is the specific explanation:
"Process principle"
The bright surface of the steel rim is mainly achieved through the vacuum electroplating process . This technology uses magnetic control vacuum coating technology to deposit metal or non-metal materials onto the surface of the wheel hub in a vacuum environment, creating a mirror-like effect. Compared with traditional electroplating, vacuum electroplating has the characteristics of low pollution, strong adhesion and selectable colors.
Appearance features
The glossy effect presents a mirror-like texture and can reflect light to create a mirror-like effect. This process is often used for car wheels, presenting a dynamic luster through reflection from different angles, which can enhance the vehicle's recognition when driving at night.
Maintenance Precautions
If stubborn stains (such as coffee-colored coke) appear on the surface of the steel rim, it is necessary to use special wheel hub cleaner or toilet cleaner (which needs to be rinsed in time) for cleaning. During daily driving, the carbon powder produced by the brakes may affect the bright surface effect. It is recommended to clean and maintain it regularly.
The main functions of the bright black surface treatment of the steel rim are as follows:
"Appearance improvement"
The bright black treatment, through the high-gloss mirror effect, significantly enhances the overall fashion sense and sporty temperament of the vehicle's appearance. For instance, the Lincoln Aviator is equipped with 19-inch bright black wheels, which, when paired with the body lines, create a sharp contrast and enhance its recognition.
Anti-rust protection
The bright black spray coating can effectively prevent the steel rims from rusting and corroding. Through crystal plating process or bright black spraying, the adhesion of high-temperature iron powder and acid rain erosion can be reduced, and the surface luster can be maintained for a long time.
Enhanced durability
The high-quality bright black coating can resist external impacts such as stones and sandstorms, reducing maintenance costs. For instance, the magnetic levitation illuminated hubcaps not only protect the internal structure but also extend the service life.
Security optimization
The bright black design of some models (such as limited editions) enhances vehicle recognition at night through exclusive color matching and lighting functions, indirectly improving driving safety.
Abnormal bright spots on the surface of the steel ring (commonly known as "black base bright surface") may be caused by the following reasons:
Brake system problem
Abnormal return of the brake caliper can cause brake jamming. Continuous friction generates high temperatures, resulting in abnormal bright spots on the surface of the steel rims. It is necessary to check whether the brake caliper and handbrake system are rusted or stuck.
Insufficient lubrication of the bearing
The loss of bearing grease will lead to an increase in the coefficient of friction. At high temperatures, the grease is prone to oxidation, causing abnormal heating of the steel ring and accompanied by bright spots. It is necessary to replenish grease and check for faults in the lubrication system.
Abnormal tire pressure
Excessively high tire pressure will reduce the contact area between the tire and the rim, resulting in uneven friction. Low tire pressure may cause tire deformation, and both will accelerate the damage to the surface of the rims. It is necessary to adjust to the standard air pressure and check the balance of the tires.
Hardware aging or installation issues
Improper installation of the steel rim and hub can cause rust or erosion at the high-pressure end, and bright spots will form after long-term use. It needs to be reinstalled and the sealing performance checked.
It is recommended to prioritize the inspection of the braking system, bearing condition and tire pressure. If the problem persists, professional testing is required.
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