Home Industry Wire Drawing Dies: Important Facts, Data & Stats

Wire Drawing Dies: Important Facts, Data & Stats

Conical dies, in this particular process comes with a hole within its center via which steel rods or non-ferrous metals including alloys are passed through. The cone’s included angle is kept at a range of 8 – 24 degree Celsius. Also is found gradual reduction in the material diameter since it is to be pulled via the cone. It results in the material’s plastic deformation. In this particular process, considerable increase is noticed in the material length. Wire Drawing Dies are the most preferred tools by certain industries.

What types of materials are used to create dies with this process?

While making wire dies, there is noticed wear & tear of the material. This is because metal gets pulled via it. This reason is what has prompted them to be created from tough materials like steel, alloy, tungsten carbide including diamond. Reduction of about 25% to 30% takes place within a single pass in the cross-sectional area. More knowledge can be gained about dies and related tool from portals like https://www.szwiredie.com/!

About process annealing

The wire at the drawing wire plant is required to pass via a series of dies to reduce progressively the diameter. This is to achieve desired diameter reduction. In the process, the wire tends to get strain hardened as it passes via the dies, undergoing plastic deformation. Its strength is noticed to further increase while its capacity to undergo further plastic deformation reduces. Diamond drawing dies are tough and carry out various types of processes with ease.

To eliminate work-hardening effect, it is necessary to heat the entire wire and then cool it down. This process is referred to as ‘in process annealing’. The material is created ductile and soft to enable smooth drawing wire functioning process. Nano Diamond Coated Dies are favored over other types of equipment.

About wire drawing process

Metals rods that are to be drawn into wires are to be absolutely clean. Moreover, oxide layer found on the surface should be eliminated by placing the material within an acid bath. Then, the die containing the hole is to be held firmly within the wire drawing equipment via which the material gets passed.  A series of rotating drums and power driven spools are used for drawing the wire. Hence, this process is found to generate plenty of heat caused by friction arising between Nano dies and the wire rod. It is possible to reduce this generated friction by using synthetic lubricant or dry soap. But still, the dies and drums will need cooling by water. Tungsten carbide is perhaps the most preferred material to be used for dies. However, to draw fine wires, diamond or rub dies or even nano dies are preferred. It is possible to arrange the machines in tandem. This way, the wire that is drawn by the former wire drawing die is likely to be gathered in coil form and in sufficient quantity. This is before it is fed within the next die to enable further diameter reduction. The process speed increases as the wire diameter tends to reduce.

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