Forging stamping production technology characteristics


Stamping is one of the basic methods of metal plastic processing. It is mainly used for processing sheet forgings, so it is often called sheet stamping. Because this method is carried out at room temperature, it is also called cold stamping. Although the above two names are not very precise stamping process content fully express clearly, but in the field of mechanical engineering has been widely recognized. Stamping processing, stamping equipment to give the force (total strength) on the role of the mold, and then through the role of the mold, the total strength according to a certain order, according to the requirements of stamping to disperse in different parts of the blank sheet, so that it produces the necessary stress state and the corresponding plastic deformation. In fact, not only use the working part of the die to produce plastic deformation of the blank, but also use the working part of the die to produce plastic deformation control, to achieve the purpose of stamping. Therefore, it can be considered that stamping equipment, die and blank are the three basic elements of stamping process. The research of these three basic elements is the main content of stamping technology. Compared with other plastic processing methods, stamping has many obvious characteristics.Stamping is to rely on stamping equipment and die to achieve the blank sheet plastic processing process. It uses stamping equipment and the simple movement of the mold to complete the manufacturing process of quite complex shape parts, and does not need too much participation of the operator, so the production efficiency of stamping processing is very high, product quality is stable, under normal circumstances, the production efficiency of stamping processing is dozens of pieces per minute. And because the operation of stamping process is very simple, it provides very favorable conditions for the mechanization and automation of operation process. Therefore, for some technology mature stamping parts, the production efficiency can reach hundreds per minute, even more than a thousand pieces (such as the need for a large number of standard parts, cans, etc.).

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The raw materials used for stamping are cold rolled sheet and cold rolled strip. Good surface quality of raw materials is obtained by means of mass production, efficient and inexpensive methods. In the stamping process these good surface quality will not be destroyed, so the surface quality of stamping parts is good, and the cost is very low. This feature is very obvious in the production of automobile panels. Using the stamping processing method, it is possible to make parts with very complex shapes, which can integrate the contradictory characteristics of good strength, large stiffness and light weight into a very reasonable structure. This is an example of a part in a reasonable structural form. It is the stamping method to stamping product quality stability, product quality management is simple, but also easy to achieve automation and intelligent production. The dimensional accuracy and good surface quality of stamping parts usually do not require subsequent processing and directly used for assembly or as finished parts. Because of the above many advantages of stamping processing method, now it has become a very important manufacturing method in metal products processing.