With carbide manufacturing standard tungsten carbide cold heading die, not only have high dimensional accuracy of parts, but also greatly improve the life of the cold heading die, can create good economic and social benefits.
さらに、内製の冷間圧造用超硬金型では、固相接合技術により高耐久性・低コストのポンチを開発中。
Furthermore at their in-house mold section they are developing cemented carbide dies for cold forging- solid phase diffusion bonding technology to produce punches with high durability at competitive cost.
Commonly used tungsten carbide die is cold heading die, drawing die, hexagonal die, spiral mold, etc., Tungsten carbide die is very widely used in the mold industry.
Since the thermal conductivity of the tungsten carbide die is high, heat generated during the cold forging can quickly conducted away to improve the durability of the mold.
We have been highly acclaimed worldwide for Kobe Steel of wire rods with high technical strength, particularly for spring wire rods used for automobile engines and suspension systems as well as cold heading quality(CHQ) wire rods used for bolts, nuts, etc.
As a unique steel processing company engaged in such broadly different business lines as plate shearing, coil center operations, and wire rod warehousing and distribution, it is highly valued as a strategic center to expand sales by supplying end users in the Chubu region with steel plates for construction use, high-tensile automotive sheets, wire rods for cold heading, and other products at which Kobe Steel excels.
At the same time the metal flow intense, thus requiring tungsten carbide cold heading dies have high strength, good fatigue resistance, high hardness and good fatigue resistance, in order to ensure the cold heading dies under high pressure without breaking, deformation and wear resistance. Tungsten carbide cold heading die raw material is produced by powder metallurgy composite materials, which have high hardness, wear resistance, life is several times and several hundred times than ordinary cold heading die.
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