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Automotive plastic parts application and welding

Update:26-07-2021
Summary:

The 100kg of plastic materials on modern cars have repl […]

The 100kg of plastic materials on modern cars have replaced the traditional metal materials that originally required 200-300kg, and the weight reduction effect is very prominent, which is of great significance for saving energy and reducing greenhouse gas emissions. According to statistics, there are currently dozens of types of plastics used in automobiles, and the average amount of plastic used in each automobile accounts for 5% to 10% of the weight of the automobile. With the development of automobile lightweight and the expansion of application of automobile plastic technology, automobile plastics The amount of bicycles will increase further in the future. This is also in line with the trend of contemporary low-carbon economy!
In modern vehicles, whether it is exterior decorative parts (such as bumpers, fenders, wheel covers, deflectors, etc.), interior decorative parts (such as dashboard, door inner panel, auxiliary instrument panel, glove box cover, seat Chairs, rear guards, etc.), or functional and structural parts (fuel tank, radiator water chamber, air filter cover, fan blades, etc.), and plastic parts can be seen everywhere.
Welding technology of auto parts plastic parts:
The use of plastic parts in automobiles requires corresponding plastic welding technology. In the automobile industry, welding is a key link in the manufacture of auto parts and bodywork. The specialization and standardization of component production, as well as the comprehensive requirements of automobile manufacturing in terms of quality, efficiency and cost, all determine that automobile welding is a multi-disciplinary, cross-field and technically integrated production process.
There are two types of plastics for automobiles: one is thermosetting plastics, which can withstand ordinary baking operations; the other is thermoplastics, which has the advantages of easy and fast processing. Among automotive plastics, the top 7 plastic materials and their proportions are roughly as follows: polypropylene 21%, polyurethane 19.6%, polyvinyl chloride 12.2%, thermosetting composite material 10.4%, ABS 8%, nylon 7.8%, Polyethylene 6%. The commonly used plastic welding techniques are: ultrasonic welding, hot melt hot plate welding, vibration friction welding and laser welding. Nicol's main automotive ultrasonic welding equipment and automotive hot-melt hot plate welding equipment are commonly used in: car lights, car dashboards, car fuel tanks, car expansion kettles, car bumpers, car dashboards, car battery shells, etc.

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