What characteristics should the wire used in wirecutting have?
The conductive wire (Wire EDM Wire) used in wirecut machines is made of materials such as copper, plated copper, brass, or copper alloys. This wire is very thin and intricately designed, positioned centrally and brightly in the center of the wirecut machine. The diameter of the conductive wire typically ranges from 0.1 to 0.3 millimeters, but it can also be found in other diameters. These wires are made thin and controlled due to the need for high precision in cutting and the ability to cut complex and precise parts.
In wirecutting, one wire is used as a consumable wire, and another wire performs the back-and-forth movement. The consumable wires must be replaced after each use. The electrical conductivity of these consumable wires is very important. The material of the consumable wires is mainly copper or brass with zinc and zinc oxide coatings, while the reciprocating wires are usually made of tungsten and molybdenum.
The conductive wire is fed into the wirecut machine through special rolls. Inside the machine, the conductive wire is moved up and down by an advanced and controlled system. During cutting, the conductive wire cuts the workpiece through the application of electrical current and electric spark. High precision and control are required during the cutting process. For this reason, wirecut machines are equipped with various control systems and mechanisms to precisely manage the movement speed and tension of the conductive wire. Additionally, for cutting larger parts or for higher precision cuts, conductive wires with smaller diameters are also used.
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