What's the front bumper grille？
The front bumper grille is a grid of mesh parts of the front part of the car, located between the front bumper and the front beam of the body. Its main functions include:
Protection and ventilation: The front bumper grille mainly protects the intake ventilation of the water tank, engine, air conditioning and other components to prevent damage to the interior of the car caused by foreign objects during driving.
Aesthetics and personality: In addition to practical functions, the front bumper grille can also increase the beauty of the car and highlight the personality.
Intake and reduced air resistance: In addition to aesthetics, the biggest role of the front bumper grille is intake and reduced air resistance. It improves the efficiency and performance of the car by reducing air resistance.
Active air intake grille: The active air intake grille is an open and closed adjustable air intake grille, which can adjust the open or closed state of the air intake grille according to the speed and indoor temperature to adapt to different driving conditions.
The design and function of the front bumper grille reflects the technological innovation and aesthetic pursuit in automotive engineering and is an integral part of modern automotive design.
One of the intake grilles is broken. Should I replace them all? It depends on individual needs. In most cases, a broken air intake grille can be repaired with 502 glue, and it will not affect the safety of the vehicle. But the repair is definitely not as good as brand new, so if you're a perfectionist, you'll definitely opt for a total replacement.
You don't need to replace the new one, repair the old one, and then paint it to use again. Because the front bumper of the car is plastic, the bumper of spray painting and re-use must have the following conditions: First of all, the fixed buckle of the bumper should be intact, but there is a tear on the bumper alone.
It is necessary to change. If the front bumper is not dealt with, the crack may become larger in daily driving, and eventually affect the safety of the car. Among all the exterior parts of the car, the most vulnerable part is the front and rear bumpers. If the bumper is seriously deformed or smashed, it can only be replaced.
Repairs can be made, but it is difficult to make perfect repairs. Just scrape, smooth, and repaint. The split can be heated with hot air and then pulled back, and then coated with glue, and then scraped, ground, and painted. The degree of success depends on the patience and craftsmanship of the master.
It will affect the normal operation of the vehicle, so it needs to be repaired. The air intake grille, also known as the front face of the car, and the water tank shield, etc., mainly plays a role in the intake ventilation of the water tank, engine, air conditioning, etc., to prevent the damage of foreign objects on the interior parts of the car during driving and the role of decoration.
The bumper of the car is a kind of accessories (wearing parts) of the body parts, located in the front of the car (called the front bumper) and the rear of the car (called the rear bumper) : it has a high melting point (up to 167℃), heat resistance, density (0.90g/cm3), is the lightest one in the current general plastic, and has a high corrosion resistance (tensile strength 30MPa); The strength, rigidity and transparency of its products are relatively good characteristics, the disadvantage is that the low temperature resistance is poor (by impact PP copolymer, styrene elastomer and polyolefin rubber three kinds of blended modified materials; With high rigidity, impact resistance, scratch resistance and coating ability, injection molded bumper after loading, subject to 8km/h impact does not break, and has resilience, performance and PU is similar, the cost is reduced by 10%20%).
Most of them are made of pp plus EPDM rubber, and the car bumper is a safety device that absorbs and slows down the external impact force and protects the front and back of the body. Many years ago, the front and rear bumpers of the car were pressed into channel steel with steel plates, riveted or welded together with the longitudinal beam of the frame, and there was a large gap with the body, which looked very unattractive.
The plastic bumper is composed of three parts: the outer plate, the buffer material and the beam, of which the outer plate and the buffer material are made of plastic, the cold rolled plate of the beam is stamped into a U-shaped slot, the outer plate and the buffer material are attached to the beam, and the plastic used in the plastic bumper is generally made of polyester and polypropylene.
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