Copper Tungsten Erosion Wheels

Copper Tungsten Erosion Wheels Electrical discharge machining for high-precision material processing is called "erosion" or "spark erosion". Here, numerous small discharges between the electrode and work piece, inside the dielectric, erode small pieces of an electrically conductive work piece. For example, a hole can be drilled (drill EDM) or a work piece can be cut by a wire (wire EDM). Thus, a complex tool contour can be negatively reflected (imaged) on a work piece (die sinking EDM). An application that is gaining in popularity is disc eroding which is used for sharpening PCD (poly crystal diamonds) Copper Tungsten Erosion Wheels or hard metal saw blades and wood cutting tools. In this application a rotating disk serves as an electrode. The accuracy of these processes depends on the stability of the tool electrode, because the spark also removes electrode material even if it is at a much lower extent. This is why the electrode material from which the electrodes are made is of particular importance. The electrode material determines critical process parameters such as removal rate, wear, burrs, thermal expansion and requirements regarding rinsing.

The Copper Tungsten Erosion Wheels for PCD tools welding types of dimensions including 6A2, 6A2E, 1A1,1A1E, 12V2E, 12V9, 11V9, 1A1R etc.

1. High corrosion resistance and high temperature stability: Copper-tungsten alloys combine with the conductivity of copper through the high melting point of tungsten (3410°C) to show excellent corrosion resistance in neutral or acidic corrosive environments (such as marine environments). For example, the AlCrON coating prepared by arc ion plating technology can keep the copper tungsten corrosion wheel stable under electrochemical and acidic salt spray corrosion conditions.
2. High hardness and wear resistance: The high hardness of tungsten (HRC ≥ 60) imparts excellent wear resistance to copper tungsten corrosion wheels and is suitable for high friction conditions such as mechanical parts exposed to corrosive media for a long time.
3. Low thermal expansion coefficient: CTE (6.5×10⁻⁶/K) is close to semiconductor materials, which can reduce the risk of cracks caused by thermal stress, and is suitable for precision components in high-temperature corrosion environments.

Copper Tungsten Erosion Wheels manufacture critical parts such as missile and rocket nozzles, gass rudders, and throat liners for missiles and rockets, increasing component life.

Copper Tungsten Erosion Wheels are optimal for parts like chemical machinery and offshore rigs due to their prolonged exposure to corrossive fluids, mitigating corrosion induced decline in performance.

Copper Tungsten Erosion Wheels are employed in critical components of electrolytic cells and electroplating machines which are subjected to high temperatures and corrosive environments to protect the integrity of the systems.

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