Hydroforming Stamping Hollow-shaped Sheet Parts

1.The definition and function of stamping die

Stamping die refers to a special tool for processing metal sheets through the stamping process. Its main function is to impact, stretch, bend, shear and other processes according to the predetermined shape, size, position and other requirements of the plate, and finally get products that meet the design requirements.

2.The classification of stamping die

According to the different requirements of the stamping process, the stamping die can be divided into many types. Common single-stage mold, multi-level step-by-step mold, composite mold and so on. The single-stage die is suitable for the occasion of stamping and forming the plate once; Multistage step by step mold is used to press and form the plate many times, and each stamping completes a part of the process; The composite mold is to combine a variety of processes to achieve one-time forming.

3.Stamping die design points

1. Material selection: The material used in the stamping die must have the characteristics of high strength, high toughness and wear resistance. Common materials are alloy tool steel, carbide and so on.

2. Structural design: The structural design of the stamping die should take into account the shape, size and other requirements of the product, and reasonably determine the size and position of the punch, punch, protection plate, seat and other parts.

3. Processing technology: The choice of stamping die processing technology is also an important part of stamping die design. According to the specific situation to choose the appropriate cutting mode, tool path, cooling mode, etc., in order to improve the performance and life of the mold.

4.Stamping die common problems and solutions

1. Die wear: Due to long-term use, the stamping die will wear. The solution can use coating technology or increase the hardness of the mold material to improve its wear resistance.

2. Mold fracture: During the stamping process, the mold may break. This may be due to the quality of the material is not qualified, unreasonable design and other reasons. The solution is to improve the quality control of materials, optimize the design, and ensure the service life of the mold.

3. Mold card material: The mold is prone to card material in the stamping process, affecting production efficiency and product quality. The solution is to optimize the structural design of the die, rationally adjust the gap between the punch and the seat, and reduce the probability of the stuck material.

5.The future development trend of stamping die

With the continuous progress of science and technology, the stamping die is also constantly evolving. The future stamping die will pay more attention to the improvement of production efficiency and product quality. For example, with the development of digital manufacturing, intelligent stamping dies will become a trend. Intelligent stamping die with automatic control, data collection and other functions, can achieve remote control and data analysis, improve production efficiency and product quality.

Innolead focuses on high-precision and difficult precision sheet metal parts processing, products include all kinds of precision sheet metal structural parts: heat sink, power box, 5G chassis shell, medical equipment, industrial computer box and accessories, TV backplane, instrument panel, advertising machine, shrapnel, shielding cover, all kinds of hangers/positioning fixtures. Products are widely used in many fields: medical equipment, 5G communication chassis, new energy vehicles and equipment, financial equipment, smart home appliances, TV advertising machines, automated robots and other fields. Good at making all kinds of special-shaped convex hull and special complex shape sheet metal structural parts, products are sold by many customers all over the world and have been recognized and praised.

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