How to Distinguish the Quality of Undercarriage protection

long range ev sedan china: How to Distinguish the Quality of Undercarriage protection

Under the standard of a rainy, damp and cold climate, the chassis of your beautiful car is very prone to corrosion and rust caused by precipitation. The vast majority of car buyers have a certain understanding of chassis safety protection, but how to choose a chassis armor installation store and how to distinguish the quality of the installation are problems that many car buyers are very concerned about.

The construction of chassis armor, the processing technology of raw materials is of great significance. At present, the general solution for chassis sealing usually only uses a single Flexible composite resin or asphalt (components: asphalt and epoxy resin) material. Dust suppression vehicles are special vehicles that maintain and suppress dust pollution from construction sites by spraying dust suppression epoxy curing agents (hardener) and other spraying liquids. The key service items are on railway lines, road surfaces and other areas where smoke and dust (shape: solid particles) are prone to occur. Structurally, the dust suppression vehicle is mainly composed of a swing arm type spraying device, a liquid storage tank, an autonomous transport vehicle and a control system. The raw materials of 3M technology's underbody armor are composed of four products with distinct characteristics. It adopts a multi-layer and high-layer spray painting covering method to maintain multiple functions of protection. It has the comprehensive functions of high adhesion, super wear resistance, impact resistance (high elasticity), anti-rust and anti-corrosion (meaning: referring to corrosion, fading, erosion, etc.), and noise reduction (sound level (dB)).

In terms of construction, the chassis armor is given special attention. Whether it is a new or old car, be sure to inspect the chassis condition, clean up waste, rust and vegetable oil layers. Apply air compression to dry the chassis. Properly cover the vehicle body. Cover the following areas: exhaust pipe, brake drum, braking system, shock absorber, fuel tank pipe of the car, bottom of the diesel engine, detachable anchor bolts (composed of head and lead screw), rear axle anchor bolts of four-wheel drive vehicles. Then, as soon as the spray painting construction begins, it becomes important to talk about spray painting. The spray gun nozzle should be kept at a distance of about 25 centimeters from the construction surface of the base, and move slowly and evenly to ensure the uniformity of the spray painting layer. Depending on the selected processing technology, materials with high adhesion, high toughness (strength), and super wear resistance are successively sprayed. The entire chassis is painted in 4 to 12 coats, and the drying time interval between each coat is 15 to 30 minutes. After the painting is completed, the next step is to remove the masking and restore it. After undergoing underbody armor construction, the safety and comfort of safe driving can be enhanced, allowing the comprehensive functions of the beautiful car to be reflected.

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