Bumper Mold's plastic bumper has strength, rigidity, and decorative features. From the perspective of safety, it can play a buffer role in the event of a car collision and protect the front and rear bodies; from the appearance, it can be naturally combined with the body and integrated. , has good decorative properties and has become an important part of decorating the appearance of cars.
For automobile bumper plastic parts, there are generally two classification methods: external type and internal type. For all large undercuts on both sides of a car bumper, either the outer parting or the inner parting can be used. The choice of these two classification methods mainly depends on the requirements of end-customer automobile OEMs for bumpers. Generally, European and American cars mostly use the internal classification process, while Japanese cars mostly use the external classification process. Both classification methods have advantages and disadvantages. The outer parting bumper needs to deal with clamping lines, which increases the processing process, but the mold cost and technical difficulty of the outer parting bumper are lower than that of the inner parting bumper. The inner split bumper is perfectly injection molded at one time through the secondary track change control technology, which ensures the appearance quality of the bumper and saves the processing steps and processing costs of plastic parts.
Automobile bumper shape design principles
When designing the shape of a car bumper, the designer should clearly understand the principles of active safety, passive safety, coordination, installation, and maintenance convenience during the design and development process of the bumper.
(1) Active safety - on the basis of satisfying the use function to the greatest extent, the design of the bumper should comply with the regulations such as the protrusion of the car, and the design should implement the concept design of safety, reliability, and rationality.
(2) Passive safety - when the car collides with the outside world, the bumper, as a safety device to protect the front and rear body, has excellent energy absorption characteristics.
(3) Harmony and consistency—whether it is in terms of appearance, color, or quality perception, it is necessary to pursue the individual characteristics of the bumper, but also to coordinate with the vehicle shape and integrate with the vehicle.
(4) Easy installation and maintenance - the bumper and its adjacent parts do not interfere with each other,