Stamping parts Manufacturers introduce the technology involved in the production of automobile stamping parts

Special stamping forming skills involved in the production of car stamping parts

As modern car stamping parts, their skill requirements are being carried out in the direction of structural clutter, increasing block scale, more parts on related edges, larger bearing capacity and severe internal stress constraints, which will also play a role in promoting special stamping forming skills to a certain extent.

The so-called special stamping forming skills refer to hydraulic forming, fine forming, blasting forming, spinning forming, die-free forming, laser forming and electromagnetic forming skills, etc., and the car stamping parts made by them are becoming more and more excellent. In the case of hydraulic internal high-pressure forming skills, it is more advantageous than other stamping forming skills.

In the production of car stamping parts, hydraulic internal high-pressure forming process can be processed at one time such as axle, top cover plate, door frame and other large clutter of three-dimensional geometric shape of the workpiece, and because the liquid in the forming process cooling, so that the workpiece is cold to strengthen, to obtain a higher workpiece strength than the general stamping processing , the lightweight target of car stamping parts is completed.

Because the car stamping parts in the hydraulic internal high-pressure forming process, the outer plate surface only contact with the pressure liquid, the pressurization process is steeper, the parts forming changes evenly, so that the symmetrical pressure distribution can be obtained, and can obtain a much better smooth outer surface.

In other, through the hydraulic internal high-pressure forming skills to produce car stamping parts, not only to save costs, and shorten the time, can end the batch production of products. In addition, electromagnetic forming skills are also used in car stamping parts of a special forming process, it is in the processing of forming speed, environmental protection and energy saving are more prominent.

Stamping parts compared with castings, forgings, with thin, uniform, light, strong characteristics. Stamping can make other methods difficult to produce with stiffeners, ribs, ups and downs or flanging of the workpiece, in order to improve its rigidity. Due to the selection of fine molds, the precision of the workpiece can reach the micron level, and the repeatability is high, the specifications are consistent, can be punched out of the hole nest, convex table and so on.

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Cold stamping parts are generally no longer machined, or require only a small amount of machining. The precision and appearance state of hot stamping parts are lower than that of cold stamping parts, but they are still better than castings and forgings, and the cutting capacity is less.

Stamping is an efficient production method, the selection of composite mold, especially multi-position progressive mold, can be completed in a press on a number of stamping processes, the end by the material unwinding, leveling, punching to forming, finishing fully automatic production. High production efficiency, good working conditions, low production costs, generally can produce hundreds of pieces per minute.

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