Automobile plastic parts Fender is an important protective part of the automobile body. Its installation matching and fastening method are directly related to the use effect, safety and overall aesthetics of the vehicle.
First of all, in terms of installation matching, the shape and size of the Fender must be precisely designed to fit the contour of the vehicle body. In the automobile design stage, it is necessary to ensure that the arc and lines of the Fender and the corresponding parts of the vehicle body are perfectly matched through precise measurement and modeling. For example, for some vehicles with unique shapes, the Fender should be able to extend naturally along the curve of the vehicle body without obvious gaps or abrupt connections. If the installation matching is not good, it will not only affect the appearance of the vehicle, but also cause mud, rainwater, etc. to penetrate from the gaps, causing corrosion and damage to the vehicle body and surrounding parts. Moreover, the installation position of the Fender should be just right. It should not be too low to affect the vehicle's passability, nor too high to reduce the blocking effect of tire splashes.
Secondly, the fastening method is crucial to the stability of the Fender. Common fastening methods include bolt and nut connection, snap connection and some new bonding connection methods. Bolt-nut connection provides high fastening strength and is suitable for parts that are subjected to large external forces, such as the key nodes where the Fender is connected to the body frame. However, this method is relatively complicated to install, and the corresponding installation holes need to be reserved on the body, which has certain requirements for the body structure design. The snap-on connection is more convenient and fast, which can simplify the installation process to a certain extent and improve production efficiency. However, the quality and design rationality of the snap-on determine its reliability. Poor-quality snap-ons may loosen or even break due to vibration during vehicle driving. The new adhesive connection method uses a high-strength adhesive to stick the Fender on the surface of the body. This method can avoid drilling holes on the body, which is conducive to maintaining the integrity and rust-proof performance of the body, but it has extremely high requirements on the cleanliness, roughness and performance of the adhesive on the bonding surface, and it is difficult to disassemble once bonded.
Furthermore, during the installation process, no matter which fastening method is used, it is necessary to strictly follow the specified torque or installation steps. For bolt-nut connection, the appropriate torque can ensure the tightness of the connection without damaging the components or causing stress concentration due to over-tightening. For snap-on connection, ensure that the snap-on is fully inserted and firmly installed. For bonding, the bonding surface must be evenly coated with adhesive and not disturbed by external forces within the specified curing time.
The installation matching and fastening method of the automobile plastic parts Fender and the car body are comprehensive considerations. Automakers need to fully weigh various factors during the design and production process and select the most suitable installation matching scheme and fastening method to ensure that the Fender can stably and reliably play its protective role, while improving the overall quality of the vehicle and user satisfaction.
