Stamping is the first of the four automobile manufacturing processes, and its importance is self-evident. As the basis of automobile body quality assurance, the quality of stamping parts is directly related to the quality of the whole car. Every vehicle factory attaches great importance to it. At the same time, with the continuous development of China's automobile industry and the maturity of consumer consumption concept, consumers are more concerned about the quality of automobile body Note: therefore, it is very important to control the quality of stamping parts, and whether the quality control method is effective or not will determine the success or failure of quality control of stamping parts. This paper will discuss the whole process quality control method from material to finished product of stamping parts.
Stamping parts can be divided into outer plate, quasi outer plate and inner plate, as shown in Fig. 1. The outer panel refers to the parts that are easy to be found by visual inspection, also known as the outer panel of the engine hood, the top cover, the outer panel of the side wall, etc.; the quasi outer panel refers to the parts that are not easy to be found by sight, but can be seen after the relevant parts are opened up, such as the inner panel of the hood, the inner door panel and the inner panel of the trunk cover; the inner panel refers to the parts that are not paid attention to or can not be found by visual inspection, such as wheel cover, floor and various beams Etc.