Stamping Processing Characteristics

Compared with castings and forgings, stamping parts are thin, uniform, light and strong. Stamping can produce workpieces with ribs, ribs, undulations or flanges that are difficult to manufacture by other methods to improve their rigidity. Due to the use of precision molds, the accuracy of the workpiece can reach micron level, with high repeatability and consistent specifications, and holes, bosses, etc. can be punched out. Cold stamping parts generally no longer undergo cutting processing, or only require a small amount of cutting processing. The accuracy and surface condition of hot stamping parts are lower than those of cold stamping parts, but still better than castings and forgings, and the amount of cutting processing is small.
Stamping is an efficient production method. It uses composite dies, especially multi-station progressive dies, to complete multiple stamping processes on one press (single-station or multi-station) to achieve strip uncoiling and straightening. Fully automatic production from flattening and blanking to forming and finishing. The production efficiency is high, the labor conditions are good, and the production cost is low. It can generally produce hundreds of pieces per minute. Compared with other methods of mechanical processing and plastic processing, stamping processing has many unique advantages both in terms of technology and economy. The main performances are as follows.
(1) Stamping processing has high production efficiency, is easy to operate, and is easy to implement mechanization and automation. This is because stamping relies on dies and stamping equipment to complete processing. The number of strokes of an ordinary press can reach dozens of times per minute, and the high-speed pressure can reach hundreds or even thousands of times per minute, and each stamping stroke May get a stamped part.
(2) During stamping, the mold ensures the dimensional and shape accuracy of the stamped parts and generally does not damage the surface quality of the stamped parts. The life of the mold is generally longer, so the quality of the stamping is stable, interchangeable, and "exactly the same" Characteristics.
(3) Stamping can process parts with a larger size range and more complex shapes, such as the second hand of a clock, as large as automobile longitudinal beams, covering parts, etc. In addition, the cold deformation and hardening effect of the material during stamping, the strength and strength of the stamping The stiffness is higher.
(4) Stamping generally does not generate chips and scraps, consumes less material, and does not require other heating equipment. Therefore, it is a material-saving and energy-saving processing method, and the cost of stamping parts is low.
Because stamping has such advantages, stamping processing has a wide range of applications in various fields of the national economy. For example, stamping processing is found in aerospace, aviation, military industry, machinery, agricultural machinery, electronics, information, railways, post and telecommunications, transportation, chemical industry, medical equipment, daily appliances and light industry. Not only is the entire industry using it, but everyone is directly related to stamping products. There are many large, medium and small stamping parts on airplanes, trains, cars and tractors. The body, frame, rims and other parts of the car are all stamped. According to relevant surveys and statistics, 80% of bicycles, sewing machines, and watches are stamped parts; 90% of televisions, radios, and cameras are stamped parts; there are also metal can shells for food, steel boilers, enamel basins, and stainless steel tableware. They are all stamped products using molds; even computer hardware is indispensable for stamping parts.