Why Choose Tungsten Carbide Punching Needles？

Why Choose Tungsten Carbide Punching Needles？

There are many choices of needle materials, there are high speed steel, carbide, ceramic and so on the market, why most people choose carbide needle now?  Because cemented carbide has the advantages that other materials do not have, such as: high hardness, wear resistance, heat resistance, corrosion resistance, high bending strength, small thermal expansion coefficient, high precision, long life, etc., how to choose the right cemented carbide materials?  

Of course, it is necessary to choose the corresponding hard alloy materials according to the material and thickness of the workpiece, such as:  

1. The thicker the workpiece is to be stamped, the hard alloy with lower hardness and better toughness should be selected.  

2. The material of the workpiece to be stamped is relatively hard, and relatively speaking, it is necessary to choose a slightly lower hardness of cemented carbide model, so as to reduce the possibility of missing cemented carbide punching needle.  

3. The parts to be blanched are thin (such as plate), or the hardness is not high, the hard alloy with higher hardness can be used, so as to prolong the life of the punching needle.  

These are some suggestions when choosing cemented carbide needles.  If you have any other questions, please contact Changsha Jingxin Cemented Carbide Co., Ltd.

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