汽车车身涂装既有保护作用,又有装饰作用。汽车车身一般是用薄钢板焊装而成的,表面防护层质量对车身寿命的影响是很大的。由于汽车工业的飞速发展及国际市场激烈的竞争,对载货汽车车身外观装饰的要求也越来越高了。我国载货汽车车身与外国制造的汽车相比涂装质量较差,其原因主要有两个方面,一是我国的油漆材料质量上存在问题,二是施工 Car body painting both protective effect, but also decorative effect. Automotive body is generally welded with a thin steel plate, the quality of the surface protection of the body’s life is great. Due to the rapid development of the automobile industry and the fierce competition in the international market, the requirements for the appearance decoration of the truck body are also getting higher and higher. China’s truck body paint quality compared with foreign-made poor quality, there are two main reasons, one is the quality of our paint material problems, the second is construction