Tungsten Electrode in Electrical Discharge Machining
Tungsten electrodes are conductive electrodes used in Electrical Discharge Machining (EDM) for the precision machining of mold steels, tungsten carbides, titanium alloys, superalloys, and other hard-to-machine conductive materials. Electrical discharge machining removes material via non-contact erosion by generating instantaneous high temperatures through pulsed discharges that melt and vaporize localized areas of the workpiece surface. As the discharge carrier, tungsten electrode directly influences machining precision, electrode wear rate, surface roughness, and production efficiency.
1. Working Principle of Tungsten Electrodes in Electrical Discharge Machining
A small discharge gap is maintained between the electrode and the workpiece. Under the action of a pulsed power supply, an instantaneous discharge channel is formed. The discharge zone can reach temperatures of 8000–12000°C, rapidly melting and vaporizing the workpiece material, which is then removed by the dielectric fluid. Tungsten-based electrodes offer high melting points, high strength, and good electrical conductivity, enabling them to maintain dimensional stability during continuous discharges, reduce electrode wear, and improve machining accuracy and profile consistency.
2. Types of CTIA’s Tungsten Electrodes in Electrical Discharge Machining
The materials, main characteristics, and applications of CTIA’s EDM tungsten electrodes are shown in picture below:
3. Applications of CTIA’s Tungsten Electrodes in Electrical Discharge Machining
CTIA’s tungsten electrodes are used in: (1) precision machining of injection molds; (2) die-casting mold cavity machining; (3) tungsten carbide forming; (4) titanium alloy and superalloy machining; (5) micro-hole and complex-hole machining; (6) aerospace precision component manufacturing; and (7) electronic connector and precision part machining.
4. Specifications of CTIA’s Tungsten Electrodes in Electrical Discharge Machining
(1) Electrode Materials: Tungsten Copper (WCu), Pure Tungsten (W), Silver Tungsten (AgW)
(2) Tungsten Copper Grades: WCu70/30, WCu75/25, WCu80/20, WCu90/10
(3) Diameter: 0.1–50.0 mm, customizable
(4) Length: 10–300 mm, customizable
(5) Shapes: Rods, square bars, tubes, plates, customizable
(6) Customization: CTIA offers customized EDM electrode solutions tailored to machining requirements and application conditions.
CTIA GROUP has specialized in tungsten electrode manufacturing for more than 30 years and possesses comprehensive capabilities in tungsten powder preparation, powder metallurgy forming, copper infiltration sintering, and precision machining. CTIA support customized grades, dimensions, and profiles, providing high-wear-resistance, high-precision, and long-life electrode solutions for mold manufacturing, aerospace, electronics, and precision engineering applications.
For any inquiry, please contact tungsten electrode manufacturer: CTIA GROUP
Email: sales@chinatungsten.com
Tel: 0086 592 5129696 / 0086 592 5129595
Website: www.tungsten.com.cn
WeChat:
More info>>