The principle of processing stamped parts

The method of forming workpieces by stamping sheets, strips, pipes, and profiles with punches and dies, applying external forces to deform or separate plastics to obtain the desired shape and size, is known as workpiece stamping.

Stamping workshops and molds rely on external forces such as plates, strips, pipes, and profiles to undergo plastic deformation or separation, obtaining the desired shape and workpiece (stamping) forming method and size. Stamping and forging are both plastic processing (or pressure processing), collectively known as forging. Blank stamping is mainly used for rolling hot and cold steel plates and strips.

World Steel, 6070 plates, most of which are manufactured through stamping products. The body, chassis, fuel tank, radiator, boiler drum, container shell, motor, and electrical appliances are all core components processed with stamped silicon. Instruments, household appliances, bicycles, office machinery, appliances, and daily life products also have a large amount of stamping.

Stamping parts, castings, and forgings are characterized by being thin, uniform, lightweight, and relatively strong. Stamping can also be produced through other methods, but it is difficult to manufacture ribs, ribs, rolled or flanged workpieces to increase their hardness. As a mold, the parts can be replicated at the micrometer level, with the same specifications, so it can be used for punching holes, bosses, and so on.

Generally, it is not processed by cold stamping parts, or only requires a small amount of cutting. Hot stamping has lower precision and surface condition than cold stamping parts, but still surpasses castings, forgings, and mechanical processing.

Stamping is a production method that uses composite molds, especially in multi station progressive molds, to achieve flattening and stamping from the coil material channel in a single multi stamping process, completing fully automated production, Good working conditions, low production costs, and can generally produce hundreds of units per minute.

Stamping is mainly classified into two categories: independent processes and forming processes. During the separation process, also known as punching, the purpose of punching is to separate the contour lines from the surface while maintaining independent quality requirements. The purpose of the formation process is to provide uninterrupted conditions for plastic deformation of white paper and to create workpieces of the desired shape and size. In actual production, it is usually applied in the process of various workpieces. Stamping, bending, shearing, deep drawing, bulging, spinning, and straightening are several main stamping processes.

Stamping sheet metal stamping surfaces and internal properties that have a significant impact on the quality of finished products require the thickness, uniformity, smooth surface, no dots, no scratches, and no surface cracks of the stamping material; Uniformity of yield strength without clear direction; Uniform elongation, low yield ratio; Low hardening.

In actual production and stamping processes, similar techniques are used, such as deep drawing performance testing, performance testing, and other tests for expanding stamping material performance testing, to ensure product quality and higher pass rates.

Directly affecting the accuracy and structure of mold forming and stamping parts. The manufacturing cost of molds and stamping life are important factors in terms of cost and quality. Mold design and manufacturing require more time, which extends the production time for a new preparation stamping.

Mold base, mold frame, guide the development of standardization and simple part molds (for small batch production), composite molds, multi station progressive molds (for mass production), and mold replacement equipment can reduce stamping workload and shorten preparation time. It is possible to apply for reducing workload and reducing stamping production time to prepare, so that large-scale stamping can be reasonably applied to small batch and multi variety production technology production.

Except for water plate stamping forming equipment, they are generally mechanical presses. A modern high-speed multi station mechanical press with unwinding configuration, flattened, completes collection, transportation, and other mechanical and tool storage and mold changing equipment, and is controlled by computer programs to form a high, automatic stamping production line productivity.