What Are The Characteristics Of Graphite Electrode Materials?

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UHP Graphite Electrodes

The following will mainly introduce the characteristics of graphite electrode materials shared by UHP Graphite Electrodes Supplier.

First, the speed is fast, the graphite discharge is 2-3 times faster than the copper, the data is not easy to be deformed, and the advantage is obvious in the processing of the thin rib electrode. The softening point of copper is at 1000 degrees, the deformation is simple due to heat, and the temperature of graphite is increased. For 3650 degrees, in comparison, the coefficient of thermal expansion of graphite data is only 1/30 of that of copper;

Second, the weight is light, the density of graphite is only 1/5 of that of copper. When the large electrode is subjected to electrical discharge machining, it can be used to reduce the load of the machine tool (EDM), and is more suitable for the use of large molds;

Third, the loss is small, because the spark oil contains C atoms. During the electric discharge machining, the high temperature causes the C atoms in the spark oil to be decomposed, and the appearance of the graphite electrode constitutes a protective film to compensate the loss of the graphite electrode;

Fourth, no burr, after the end of processing, the copper electrode needs to be removed to remove the burr, and the graphite electrode has no burrs after processing, which not only saves a lot of cost and manpower, but also completes the automated production together;

Fifth, easy to polish, because the cutting resistance of graphite is only 1/5 of that of copper, it is easier to operate and grind and polish;

Sixth, the cost is low, because the price of copper is rising in recent years. Now, the price of homogenous graphite is lower than that of copper. In the same volume, the universality of carbon in the east, the price of graphite goods is three percent lower than that of copper. Ten to sixty, the quotation is relatively stable, and the short-term quotation is relatively small.

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