What is the rear eyebrow of a car
The rear eyebrow is a semicircular part, usually made of steel plate and plastic, installed above the rear wheel of an automobile and used to decorate and protect the vehicle. The specific position of the rear wheel eyebrow is at the fender plate along the upper edge of the tire, which plays the role of beautifying the body and protecting the body .
Material and design
The rear eyebrow can be made of plastic, carbon fiber or ABS. Plastic eyebrows are light in weight, low in cost and easy to be processed into various shapes. Carbon fiber wheel eyebrow high strength, light weight, often used in high-performance models; ABS material is durable, UV and corrosion resistant .
In terms of design, the rear eyebrows are usually coordinated with the overall appearance of the body to meet the needs of aesthetics and personalization .
Function and effect
decorative function : rear eyebrow can beautify the body, especially for non-white vehicles, installing eyebrow can make the body appear lower, enhance the vehicle streamline arc, improve the visual effect .
personalized needs : in the serious homogenization of vehicles at present, through the modification of the wheel eyebrow can highlight the personality to meet the personalized needs of the owner .
protective effect : the rear wheel eyebrow can reduce the scrapes and scratches of the vehicle during driving, especially in bad weather, to prevent mud and debris from splashing on the car body, protect the body from corrosion .
Aerodynamic effect : Reasonable rear eyebrow design can guide air flow, reduce the resistance at the wheels, improve vehicle stability and handling, reduce wind resistance, improve fuel economy .
The main role of the rear wheel eyebrow of the car includes the following aspects :
decoration and beautify : rear eyebrows can add a sense of fashion and beauty to the car, especially for black or red and other non-white cars, with eyebrows can make the body look lower, streamline arc more prominent, to meet individual needs .
prevent rubbing : The rear wheel eyebrow can effectively reduce the damage of small rubbing on the car paint. Because the marks are not obvious after the round eyebrow scratches, usually no special treatment is required, which reduces the maintenance cost caused by the damage to the car paint .
reduce drag coefficient : The design of the rear wheel eyebrow conforms to the principle of fluid mechanics, can reduce the drag coefficient, improve the driving efficiency and fuel economy of the vehicle. At high speeds, wheelbrows reduce air resistance, improve fuel economy and vehicle performance .
mud and prevent debris from splashing : the rear wheel eyebrow can prevent the wheel rolled up sand, mud and water from splashing on the body board, keep the body clean, especially in bad weather .
Aerodynamic optimization : A reasonable eyebrow design can guide the air flow line, reduce the resistance at the wheel, and improve the stability and handling of the vehicle. Changing the stainless steel eyebrow can also improve the curve limit .
Common causes of rear eyebrow failure in a car include :
Environmental factors : long-term exposure to humid, salty environment, such as coastal or frequent rain and snow areas, easy to lead to metal corrosion and rust .
inadequate protection : The protective coating on the brow surface may be damaged by scratching, bumping, or natural aging and lose its protective effect on the metal .
material problem : If the metal material used in round eyebrow has poor corrosion resistance, it is also easy to rust .
not timely cleaning vehicle chassis : caustic substances in the vehicle body steel plate rust layer damage rapid corrosion, may cause rust through .
The repair method of rear eyebrow fault of automobile includes :
Minor scratches or small areas of corrosion : can be filled with automotive repair putty, dry with sandpaper smooth, then spray paint. It is best to spray primer before painting to enhance adhesion and color durability .
seriously damaged : If the wheel eyebrow is seriously damaged, it is recommended to buy a new replacement for installation. Snap type eyebrow is easy to install, just insert the new eyebrow into the eyebrow hole and fasten it. Paste eyebrows need to ensure a tight fit, if necessary, seek professional help .
rust area is not large : you can first cut off the rust part, clean it up and use iron sheet to make a part with the same shape as the original wheel eyebrow, weld and restore, and then after grinding, scraping, polishing, painting and other steps .
many serious corrosion : direct replacement is more convenient .
Preventive measures include :
apply anti-rust agent : after repair, you can apply a layer of anti-rust agent on the wheel eyebrow to extend the service life .
Paste protective film : Paste a layer of protective film on the wheel eyebrow, which can extend the service life and keep the vehicle beautiful .
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