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Stamping processing 40

The die used for stamping is called stamping die, short for punching die. Punching die is a special tool for batch processing of materials (metal or non-metal) into required punching pieces. Die is very important in stamping, without the required die, it is difficult to carry out mass stamping production; Without advanced die, advanced stamping process cannot be realized. Stamping process and die, stamping equipment and stamping materials constitute the three elements of stamping processing, only by their mutual combination can we get the stamping parts.

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Stamping


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The die used for stamping is called stamping die, short for punching die. Punching die is a special tool for batch processing of materials (metal or non-metal) into required punching pieces. Die is very important in stamping, without the required die, it is difficult to carry out mass stamping production; Without advanced die, advanced stamping process cannot be realized. Stamping process and die, stamping equipment and stamping materials constitute the three elements of stamping processing, only by their mutual combination can we get the stamping parts.

Compared with other machining and plastic processing methods, stamping has many unique advantages in both technical and economic aspects. The main manifestations are as follows.

(1) The production efficiency of stamping processing is high, and easy to operate, easy to achieve mechanization and automation. This is because stamping is to rely on stamping die and stamping equipment to complete the processing, ordinary press stroke times per minute up to dozens of times, high-speed pressure per minute up to hundreds or even more than 1000 times, and each stamping stroke may get a punch.

(2) due to the mold to ensure the size and shape accuracy of stamping parts, and generally does not destroy the surface quality of stamping parts, and the life of the mold is generally longer, so the quality of stamping is stable, good interchangeability, with the "exactly the same" characteristics.

(3) Stamping can process parts with large size range and complex shape, such as small to the stopwatch of clocks, large to automobile longitudinal beam, covering parts, etc., coupled with the cold deformation and hardening effect of materials when stamping, the strength and stiffness of stamping are high.

(4) Stamping generally does not generate chips, material consumption is less, and do not need other heating equipment, so it is a kind of material saving, energy saving processing method, the cost of stamping parts is low.

(1) The designed stamping parts must meet the requirements of product usage and technical performance, and be easy to assemble and repair.

(2) Designed stamping parts must be conducive to improving the utilization rate of metal materials, reducing the variety and specification of materials, and reducing the consumption of materials as far as possible. Use low cost materials where possible to make spare parts waste free and waste less blanking.

(3) the design of the stamping parts must be simple shape, reasonable structure, in order to help simplify the mould structure, simplify the process, which is the least, the most simple stamping process to complete the entire parts processing, reduce processing with other methods, and is advantageous to the stamping operations, is advantageous for the organization to realize mechanization and automation production, in order to improve labor productivity.

(4) The designed stamping parts, under the condition that they can be used normally, shall make the requirements of dimension precision grade and surface roughness grade lower as far as possible, and facilitate the exchange of products, reduce waste products and ensure the stability of product quality.

(5) The designed stamping parts shall be conducive to the use of existing equipment, process equipment and process flow to process them as far as possible, and to the extension of the service life of the punching die.

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