随着经济水平的提高,消费者对汽车的外观要求越来越高,色差是汽车外观的主要影响因素,而降低车身色差能提高汽车外观性能,更受消费者的青睐。本文主要从油漆材料和测量设备介绍了车身色差的测量原理、方法以及如何控制车身色差,并提出了相应的控制方法。 With the improvement of economy, consumers are more and more demanding on the appearance of the automobile. The color difference is the main factor that affects the appearance of the automobile. Reducing the color of the body can improve the appearance performance of the automobile and is more favored by consumers. This paper mainly introduces the measuring principle and method of body color difference and how to control the body color difference from the paint materials and measuring equipment, and puts forward the corresponding control method.