The processing characteristics of hardware stamping parts

The mold used for metal stamping parts is called a stamping die, abbreviated as a punching die. Stamping die is a specialized tool that processes materials (metal or non-metal) in bulk into the required stamping parts. Stamping dies are crucial in stamping, and without qualified dies, it is difficult to produce them in bulk; Without improving the technology of stamping dies, it is impossible to improve the stamping process. Stamping technology, molds, 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 and plastic processing, metal stamping processing has many advantages in both technical and economic aspects. The main manifestations are as follows:

(1) Stamping generally does not generate chips or debris, consumes less material, and does not require other heating equipment, making it a material saving and energy-saving processing method with lower production costs for stamped parts.

(2) Because the die ensures the size and shape accuracy of the stamping parts in the stamping process, and generally does not damage the surface quality of the stamping parts, and the life of the die is generally long, the stamping quality is not poor, the interchangeability is good, and it has the characteristics of "identical".

(3) Hardware stamping parts can produce parts with a wide range of dimensions and complex shapes, such as small stopwatches for clocks, large car longitudinal beams, cage covers, etc. Coupled with the cold deformation hardening effect of the material during stamping, the strength and stiffness of stamping are both high.

(4) The production efficiency of metal stamping parts processing is high, and it is easy to operate and achieve mechanization and automation. Due to the fact that stamping relies on stamping dies and equipment to complete processing, the number of strokes of a regular press can reach dozens per minute, and the high-speed pressure can reach hundreds or even thousands of times per minute. Moreover, each stamping stroke can obtain a stamped part, so the production of hardware stamped parts can achieve efficient mass production.

Because stamping has such advantages, the processing of hardware stamping parts is widely used in various fields of the national economy. For example, stamping processing is used in aerospace, aviation, military industry, machinery, agricultural machinery, electronics, information, railways, postal and telecommunications, transportation, chemical industry, medical equipment, daily appliances, and light industry. Not only does the entire industry use it, but everyone is directly connected to stamping products: there are many large, medium, and small stamping parts on airplanes, trains, cars, and tractors; The body, frame, and rim of a small car are all stamped and processed. According to relevant surveys and statistics, 80% of bicycles, sewing machines, and watches are stamped parts; 90% of the components in televisions, recorders, and cameras are stamped parts; There are also food metal can shells, steel precision boilers, enamel bowls and stainless steel tableware, all of which are processed by stamping, and even the hardware of computers cannot be separated from stamping parts.

However, the molds used in hardware stamping processing generally have specificity. Sometimes, a complex part requires several sets of molds to be processed and formed, and the precision and technical requirements of mold manufacturing are high, making it a technology intensive product. So, only when the production batch of stamped parts is large, can the advantages of hardware stamping processing be fully reflected, thus achieving better economic benefits.