Types of Wire Drawing Dies

2023-04-18 Share

Types of Wire Drawing Dies


Wire drawing dies are important tools for the production of wire rods in the wire and cable industry. They are used for draw metal wires such as copper, aluminium, steel, brass, and so on. Usually, a wire drawing die is comprised of steel casing and the wire drawing die nib. For different material applied for the nibs, wire drawing dies can be divided into different types. In this article, some types of wire drawing dies will be talked about.

Wire drawing dies can be divided into alloy steel wire drawing dies, tungsten carbide dies, PCD wire drawing dies, natural diamond wire drawing dies, and so on.

Alloy steel wire drawing dies are the early type of wire drawing dies. The main materials to make nibs of alloy steel wire drawing dies are carbon tools steel, and alloy tool steel. This kind of wire drawing dies almost disappeared because of poor hardness and wear resistance.

Tungsten carbide wire drawing dies are made of tungsten carbide. The main components are tungsten carbide powder and cobalt powder. Tungsten carbide are the main factor to high hardness, and cobalt is bonded metal to bind tungsten carbide particles tightly and it is a source of alloy toughness. Tungsten carbide wire drawing dies show their great physical performances, such as high hardness, wear resistance, good polish ability, small adhesion, small coefficient of friction, low energy consumption, high corrosion resistance, and so on. These make tungsten carbide wire drawing dies have a wide range application in industries.

PCD wire drawing dies are made of polycrystalline diamond, which is polymerized under high temperature and high pressure conditions by carefully selecting a single crystal of synthetic diamond with a small amount of silicon, titanium and other binders. PCD wire drawing dies have high hardness, good wear resistance, strong impact resistance, and can realize high drawing efficiency.

Natural diamond wire drawing dies is made of natural diamond, which is an allotrope of carbon. The characteristics of natural diamond wire drawing dies are high hardness and good wear resistance. However, natural diamonds are brittle and difficult to process, and are generally used to manufacture drawing dies with a diameter of less than 1.2mm. The price of natural diamond wire drawing dies are much more expensive than that of PCD wire drawing dies.

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