How to select materials for blanking dies?
Carbide are also commonly used in blanking die components, offering advantages such as wear resistance and high hardness. So, how should we select materials for blanking dies? Generally, the selection […]
Carbide are also commonly used in blanking die components, offering advantages such as wear resistance and high hardness. So, how should we select materials for blanking dies? Generally, the selection is based on the following factors.
- The selection of steel for blanking dies should mainly consider the die’s lifespan, but lifespan alone is not the sole criterion for selection.
- The material of the stamped part should be considered, such as aluminum, copper, magnesium alloys, ordinary carbon steel, low-alloy steel, spring steel, and silicon steel, among others. Different materials of stamped parts vary greatly in the difficulty of stamping.
- The production volume of the stamped part should be considered. If the batch size is small, there is no need to choose a long-life die.
- Factors such as the shape, size, thickness, dimensional tolerances, and burrs of the stamped part have a significant impact on the die’s lifespan and should also be taken into account.
- The price of the steel grade and the proportion of material costs in the total cost of the die should be considered. If the die has a complex shape and is difficult to machine, with machining costs accounting for a high proportion of the total cost while material costs account for a small proportion, high-performance die steel should be chosen.
- Different materials of stamped parts and the different functions of the die have varying requirements for die hardness. The cutting edge of a blanking die requires high hardness, wear resistance, and a certain level of toughness.
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