Custom metal stamping is the production technology of product parts that are deformed and deformed directly in the mold by means of the power of conventional or special stamping equipment to obtain a certain shape, size and performance. Sheets, molds and equipment are the three elements of stamping.
According to the stamping processing temperature, it is divided into hot stamping and cold stamping. The former is suitable for sheet processing with high deformation resistance and poor plasticity; the latter is carried out at room temperature, which is a common stamping method for thin sheets. It is one of the main methods of metal plastic processing (or pressure processing) and is also part of material forming engineering technology.
Stamping is an efficient production method. It adopts composite molds, especially multi-station progressive molds. It can complete multiple stamping processes on one press (single or multi-station) to realize unwinding and rectification of strips and flat and punched into fully automatic production of forming and finishing.
Custom metal stamping has high production efficiency, good working conditions and low production cost. Generally, it can produce hundreds of pieces per minute. Compared to other methods of machining and plastic working, stamping has many unique advantages both technically and economically. The main performance is as follows.
(1) The stamping process has high production efficiency and is easy to operate, and is easy to mechanize and automate. This is because the stamping relies on die and stamping equipment to complete the processing. The number of strokes of ordinary presses can reach dozens of times per minute, and the high-speed pressure can reach hundreds or even thousands of times per minute, and each press stroke may get a punch.
(2) Since the die ensures the size and shape accuracy of the stamping part during stamping, and generally does not damage the surface quality of the stamping part; the life of the die is generally long, so the quality of the stamping is stable, the interchangeability is good, and it has “the same”characteristics.
(3) Stamping can process parts with large size and complex shapes, such as stopwatches as small as watches, as large as car longitudinal beams and coverings. In addition to the cold deformation hardening effect of the material during stamping, the strength and rigidity of the stamping are both high.
(4) Stamping generally has no chip scraps, less material consumption, and no need for other heating equipment. Therefore, it is a material-saving and energy-saving processing method, and the cost of stamping parts is low.
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