How to make good inspection and make high-quality automobile stamping parts

In automobile manufacturing, 60%-70% of metal parts need to be formed by plastic processing. Stamping is an important method. It is one of the most basic, traditional and important metal processing techniques. In medium and heavy-duty vehicles, most of the covering parts, such as the outer panel of the body, and some load-bearing and supporting parts such as the frame, the carriage and other auto parts are all automobile stamping parts. Its characteristics are light weight, good rigidity, and after the sheet metal is plastically deformed, the internal structure of the metal is improved, which improves the strength of the stamping parts. Automobile stamping parts technology is developing in the direction of precision, multi-function, high efficiency, energy saving, safe and clean production. The manufacturing process level and quality of stamping parts have a direct impact on the quality and cost of automobile manufacturing to a large extent. Therefore, we must do a good job of quality, we must master the inspection methods of automobile stamping parts. 1. Touch inspection: wipe the surface of the outer cover with a clean gauze. The inspector needs to wear touch gloves to touch the surface of the stamping part along the longitudinal direction of the stamping part. This inspection method depends on the inspector's experience. 2. Oiling inspection: Use a clean brush to apply oil evenly to the entire outer surface of the stamping in the same direction. The oiled stamping parts are inspected under strong light. This method can easily find the tiny pits, pits and ripples on the stamping parts. 3. Polishing of flexible gauze: Use a flexible sand mesh to close the surface of the stamping part and polish it to the entire surface in the longitudinal direction. Any pitting or indentation will be easily found. 4. Whetstone polishing: first wipe the surface of the outer cover with a clean gauze, then polish it with a whetstone, and polish with a relatively small whetstone for arcs and hard-to-reach places. Some special places can also be supplemented with horizontal polishing. 5. Visual inspection: Visual inspection is mainly used to find abnormal appearance and macro defects of stamping parts. Nowadays, the market competition of automobile stamping parts has entered a peak period. In order to win customers, many manufacturers have put their energy on price wars, and even in order to win price wars, they will not hesitate to reduce production costs without a bottom line. This marketing method must They will be eliminated by society. Even if they succeed at the moment, they will not go far in the end, and they will even cause unnecessary economic and reputation losses for future cooperation. Good quality control is the fundamental recommendation for the rapid development of stamping parts processing plants. Article: Stamping parts processing plants talk about the rules of mold maintenance. Previous: The research topic of stamping parts factories: Improving the utilization rate of stamping parts materials