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The development of wire drawing dies in the Chinese market has not been very long. Even now, many places still need such wire drawing dies, because our country's demand for such wire drawing is greater and more refined, so press the wire die, in It can be said that my country's future development potential is still very large. When buying a drawing die, we always hope that the product we buy is the best, and it is best if there are no defects, so we must learn to analyze the quality of a drawing die when we buy it, and we can only watch it. , You can choose the most suitable drawing die for yourself. If you look at the price, the price of the natural diamond wire drawing die must be more expensive, but it is expensive for his reason, because this type of wire drawing die itself is more complicated in processing. Of that kind. The natural diamond wire drawing die has a very high-quality hardness, but it is easy to cause friction, so this type of wire drawing die can only be used on some materials with a relatively small diameter, but its wear resistance is the best. There is also a cemented carbide die. The hardness of this film is relatively low, and the surface is not very rough, but its wear resistance is relatively poor, and its hardness is relatively low, usually it is not recommended to buy of. You need to be very careful when choosing a drawing die. Only after you pay attention to it, it will give you a piece of peace of mind. Drawing dies of different materials have different characteristics. To put it simply, the current materials for making wire drawing dies are: alloy steel, cemented carbide, natural diamond, artificial single crystal diamond, artificial polycrystalline diamond, ceramics and other materials, and through various chemical heat treatments, chemical vapor deposition, physical vapor deposition Wire drawing die made by other methods.



The difference is as follows:



Drawing die material-advantages-disadvantages-application range



Alloy steel mold is easy to make-poor wear resistance and short life-basically eliminated



Natural diamond-high hardness, wear resistance-brittleness, difficult to process-wire molds with a diameter of less than 1.2mu



Cemented carbide-good polishability, low energy consumption-poor wear resistance, difficult to process-wires of various diameters



Polycrystalline synthetic diamond-high hardness, good wear resistance-difficult to process, high cost-small wire, wire



cV coating material-high smoothness, good temperature resistance-complex process, difficult to process a small wire, wire



Porcelain material-good wear resistance, high temperature resistance, corrosion resistance-thermal shock, poor toughness, difficult to process-no large-scale application



 

Wococarbide

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