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Processing characteristics of metal stamping parts

time:2020-12-28 Views:219

The die used in metal stamping parts is called stamping die, or die for short. The die is a special tool for batch processing of materials (metal or non-metal) into the required stamping parts. Punching dies are very important in stamping. Without a die that meets the requirements, it is difficult to stamp out in batches; without improving the technology of the die, it is impossible to improve the stamping process. The stamping process, die, stamping equipment and stamping materials constitute the three elements of stamping processing. Only when they are combined, can stamping parts be produced.

   Compared with other processing forms such as mechanical processing and plastic processing, metal stamping processing has many advantages in terms of technology and economy. The main manifestations are as follows:

  (1) Stamping generally does not produce chips and scraps, consumes less material, and does not require other heating equipment, so it is a material-saving and energy-saving processing method, and the cost of producing stamping parts is lower.

(2) Since the die guarantees the size and shape accuracy of the stamping part during the stamping process, and generally does not damage the surface quality of the stamping part, and the life of the die is generally longer, the quality of the stamping is not bad, and the quality of the stamping is not bad. Well, it has the characteristics of "just the same".

(3) Metal stamping parts process parts with a large size range and more complex shapes, such as stopwatches as small as clocks and clocks, as large as automobile longitudinal beams, cage covers, etc., plus the cold deformation and hardening effect of the material during stamping. Both strength and rigidity are high.

  (4) The production efficiency of metal stamping parts processing is high, and the operation is convenient, and it is easy to realize mechanization and automation. Because stamping relies on punching dies 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 more than a thousand times per minute, and each stamping stroke can get a punch Therefore, the production of metal stamping parts can achieve efficient mass production.

   Because stamping has such superiority, the processing of metal stamping parts is widely used in various fields of the national economy. For example, there are stamping processes in aerospace, aviation, military industry, machinery, agricultural machinery, electronics, information, railways, post and telecommunications, transportation, chemicals, medical appliances, household appliances, and light industry. Not only is it used in the entire industry, but everyone is directly connected with stamping products: there are many large, medium and small stamping parts on airplanes, trains, automobiles, and tractors; car bodies, frames and rims And other parts are all stamped out. According to relevant survey statistics, 80% of bicycles, sewing machines, and watches are stamped parts; 90% of TV sets, tape recorders, and cameras are stamped parts; there are also food metal tank shells, steel boilers, enamel bowls and stainless steel tableware. Etc., all used are stamping products, and stamping parts are indispensable in computer hardware.

   However, the molds used in metal stamping processing are generally specialized. Sometimes, a complex part needs several sets of molds to be processed and formed, and the mold manufacturing has high precision and high technical requirements. It is a technology-intensive product. Therefore, only when the stamping parts are produced in large batches, the advantages of metal stamping processing can be fully realized, so as to obtain better economic benefits.

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