Introduction to stamping parts

Compared with castings and forgings, stamping parts have the characteristics of thinness, uniformity, lightness and strength. Stamping can produce workpieces with stiffeners, ribs, undulations or flanges that are difficult to manufacture by other methods to improve their rigidity. Due to the use of precision molds, the precision of the workpiece can reach the micron level, and the repeatability is high, the specifications are consistent, and holes, bosses, etc. can be punched out. Cold stamping parts are generally no longer processed by cutting, or only a small amount of cutting processing is required. The precision and surface condition of hot stamping parts are lower than cold stamping parts, but still better than castings and forgings, with less cutting processing. Stamping is an efficient production method. Using compound dies, especially multi-station progressive dies, multiple stamping processes can be completed on one press, and the entire process from strip uncoiling, leveling, punching to forming and finishing can be achieved. Automatic production. The production efficiency is high, the working conditions are good, and the production cost is low. Generally, hundreds of pieces can be produced per minute. Stamping is mainly classified by process, which can be divided into two categories: separation process and forming process. The separation process is also called punching, and its purpose is to separate the stamping parts from the sheet along a certain contour line while ensuring the quality requirements of the separated section. The surface and internal properties of the sheet metal used for stamping have a great impact on the quality of the stamped product. The thickness of the stamping material is required to be accurate and uniform; the surface is smooth, without spots, scars, scratches, and surface cracks, etc.; the yield strength is uniform and not obvious Directionality; high uniform elongation; low yield ratio; low work hardening. Related news: The characteristics of the main materials of stamping parts, the treatment of common problems of stamping parts, the characteristics of scaffolding stamping parts and the importance of inspections