Stamping die parts material

What are the requirements of working parts materials of stamping die

When the stamping die works, it must bear the load of impact, vibration, friction, high pressure, stretching, bending and twisting, and even work at a higher temperature (such as cold extrusion). The working conditions are complex, and it is easy to wear, fatigue, fracture, deformation and other phenomena. Therefore, the requirements for the materials of the working parts of the die are higher than those of the common parts.

Due to the different working conditions of various kinds of stamping dies, the requirements of working parts materials of dies are also different.

1. Requirements for blanking die materials

For the working parts of the die for sheet metal stamping, high wear resistance and hardness are required, while for the die for thick plate stamping, in addition to high wear resistance and compressive yield point, high fracture resistance, high bending strength and toughness are also required to prevent the die from breaking or breaking.

2. Requirements for drawing die materials

It is required that the working parts of the die have good adhesion resistance (bite resistance), high wear resistance and hardness, certain strength and toughness, and good cutting performance, and the deformation is small during heat treatment.

3. Requirements for cold extrusion die materials

The working parts of the die are required to have high strength, hardness and wear resistance. In order to avoid impact fracture, certain toughness is also required. Due to the large temperature rise during extrusion, it should also have certain thermal fatigue and thermal hardness.

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