graphite electrode HP600mm

The advantages and disadvantages of graphite electrodes are as follows:

Advantages

High electrical conductivity: Graphite electrodes have excellent electrical conductivity, capable of effectively conducting large currents and generating sufficient heat to melt metals. This makes them perform outstandingly in high-temperature and high-current-density environments such as electric arc furnace smelting.

High-temperature resistance: Graphite electrodes can operate at temperatures as high as 3000 ° C without melting or getting damaged, making them ideal materials for high-temperature metallurgy.

High mechanical strength: Graphite electrodes have sufficient strength to withstand mechanical and thermal stresses in electric arc furnaces, which ensures their reliability and stability during long-term use.

Low loss: During electrical discharge machining, the high temperature causes the C atoms in the spark oil to be decomposed, forming a protective film on the surface of the graphite electrode, which compensates for the loss of the graphite electrode.

Matching degree: With the development of the metallurgical industry, electric furnaces of different powers can be adapted to graphite electrodes of different powers, such as graphite electrode PR, graphite electrode HP, and graphite electrode UHP.

Disadvantages

Relatively insufficient mechanical strength: Although the graphite electrode has a certain mechanical strength, under some extreme conditions, such as when the tool is directly cut during rough machining, it may cause the sharp corners of the graphite electrode to crack. In addition, although the cutting impedance of the graphite electrode is relatively small, it is still necessary to pay attention to avoiding phenomena such as chipping and cracking during the finishing process.

The electrical conductivity gradually decreases: The electrical conductivity of graphite electrodes will gradually decline with the increase of usage times, so the electrodes need to be replaced regularly to ensure production efficiency and quality.