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Production and processing characteristics of precision stamping manufacturing process

Time:2023/2/24 Posted:Hong Kong Eposh Technology Co., Ltd.
Precision stamping manufacturing technology has become an important part of the parts industry. Most of the stamping hardware is used in aerospace, automobile, shipbuilding, machinery, chemical and other fields. So how does the precision stamping manufacturing process produce and process? Precision stamping has high production efficiency, convenient operation and easy to realize mechanization and automation. As for precision stamping manufacturing process as a whole, precision stamping process is mainly affected by two factors: equipment type and workpiece material.

1、 Technological advantages of precision stamping

Precision stamping parts are produced by stamping on the premise of low material consumption, and the parts produced are light in weight and good in rigidity. Moreover, it also has high scale accuracy, uniform and common scale of the same module, and good interchangeability. In the stamping process, because the surface of the material is not easy to be damaged, it can retain good appearance quality, and the appearance is smooth and beautiful, which provides convenience for the subsequent surface treatment.

2、 Material selection of precision stamping

There are three main stamping processes: blanking, bending and stretching. Different processes have different requirements for plates. The selection of materials should also be considered according to the approximate shape of products and processing technology.

1. Blanking requires that the plate should have enough plasticity to ensure that the plate does not crack during blanking. Soft materials have good blanking performance, so parts with smooth section and small inclination can be obtained after blanking

2. The plates that need to be bent should have enough plasticity and low yield limit. The plate with high plasticity is not easy to crack when bending. The plate with lower yield limit and lower elastic modulus has small rebound deformation after bending, and is easy to obtain the bending shape with accurate size. Materials with large brittleness must have large relative bending radius during bending, otherwise cracking will occur during bending.

3. Deep drawing is one of the more difficult parts in the precision stamping process. Therefore, it is not only required that the drawing depth should be as small as possible, the shape should be as simple as possible, and the transition should be smooth, but also that the material should have good plasticity. Otherwise, it is easy to cause quality problems such as the overall distortion of the part, local wrinkling, and even the tensile crack of the drawing part.
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