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Stamping processing technical knowledge

by:Fortuna     2021-02-11
Stamping processing technical knowledge of stamping process is power by means of conventional or special stamping equipment, the deformation of sheet metal in the mould is directly force and deformation, thereby gaining a certain shape, size and performance of the production technology of product parts. Sheet metal, stamping mould and equipment is processing of the three elements. Cold stamping processing is a kind of metal deformation processing method. So, called cold stamping or sheet metal stamping, stamping for short. It is plastic metal processing ( Or pressure processing) One of the main methods, also belongs to the material molding engineering technology. Used by stamping mold known as the stamping die, die for short. Die is the material ( Metal or nonmetal) Batch processing into salt pieces of special tools required. Is of vital importance to the die in stamping, did not conform to the requirements of punching die, stamping production batch is difficult; No advanced punching die, stamping process of advanced cannot achieve. Stamping process and die, stamping equipment and materials to form the three elements of stamping processing, can only draw stamping them together. Compared with other methods of mechanical processing and plastic processing, stamping processing both in technology and economy has many unique advantages. Main show is as follows. ( 1) Stamping processing of high production efficiency, and easy to operate, easy to realize mechanization and automation. This is because the stamping is depend on the die and stamping equipment to complete the processing, ordinary press stroke times per minute can reach dozens of times, high pressure to can reach more than hundreds of times or even one thousand times per minute, and every time stamping stroke can get one piece. ( 2) When stamping due to the size and shape of mold to ensure the stamping precision, and generally does not destroy the surface of the stamping parts quality, and the life of the mould are long, so the stamping quality is stable, good compatibility, has the characteristics of 'the same'. ( 3) Stamping machining size range is larger, more complex shape parts, such as small to watch the stopwatch, big to auto longeron, covering parts, etc. , and stamping material hardening effect of cold deformation, the strength and stiffness of stamping was high. ( 4) Press generally generated no chip broken material, material consumption is less, and do not need other heating equipment, it is a kind of material, machining method of energy saving, stamping parts of the cost is low. Because the press has such advantages, stamping processing in the national economy each domain application scope is quite widespread. For example, in the aerospace, aviation, military industry, machinery, agricultural machinery, electronics, information, railroad, post and telecommunications, transportation, chemical industry, medical equipment, household electrical appliances have stamping processing and light industry and other departments. Not only the whole industry to use it, and everybody comes in contact directly with the stamping products. Like a plane, train, automobile, tractor on many big, in, small stampings. Car body, chassis and circle and other components are stamping processing. According to the investigation statistics, bicycles, sewing machines, watches in 80% of stamping parts; Television, radio, camera is 90% stampings; Shell and food cans, aluminium boiler, enamel POTS bowl and stainless steel tableware, all is to use a die stamping processing products. Even in the computer hardware is lack of stamping parts. However, stamping process used by mould generally has specificity, sometimes need several sets of mould to a complex parts processing and forming, and mold manufacturing of high precision, high technical requirements, is the technology intensive product. Therefore, only under the condition of the stamping production batch is bigger, can fully embody the advantages of stamping processing, can achieve the good economic benefit. Stamping processing, of course, also there are some problems and shortcomings. Mainly displays in the stamping process of two pollution, noise and vibration and the operator safety accidents occur frequently. However, these problems is not entirely due to the stamping process and die of itself, and is mainly due to the traditional stamping equipment and backward manual operation. With the progress of science and technology, especially the development of computer technology, along with the progress of the electromechanical integration technology, these problems must be resolved two perfect as soon as possible. With the improvement of product quality, the mold quality and life demand is higher and higher. And improve the mold quality and life of the most effective way is to develop and apply new mould material and new technology of heat, table processing, improve performance, improve the processing performance. A: metal stamping parts industry remains to be the change of the seven
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