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Advantages Of Graphite Electrodes Aug 07, 2018

1: Increasingly complex mold geometry and product application of the diversification of the spark machine discharge accuracy requirements more and more high. The advantage of graphite electrode is that it is easy to process, the discharge processing rate is high, the graphite loss is small, therefore, some group of Spark machine customers give up the copper electrode and switch to graphite electrode.

In addition, some special shape of the electrodes can not be made of copper, but graphite is easier to form, and copper electrode is heavier, not suitable for processing large electrodes, these factors are caused by a group of spark machine customers use graphite electrodes.

2: Graphite electrode is easier to process, and the processing speed is faster than the copper electrode. For example, the use of milling process graphite processing, its processing speed than other metal processing fast 2~3 times and no need for additional manual treatment, and copper electrodes need to hand down the mill. Similarly, if the use of high-speed graphite machining center to make electrodes, speed will be faster and more efficient, and will not produce dust problems. In these processes, the selection of the appropriate hardness of tools and graphite can reduce the grinding loss of the tool and copper damage. If the specific comparison between graphite electrode and copper electrode milling time, graphite than copper electrode fast 67%, in general discharge processing, the use of graphite electrode processing than the use of copper electrodes faster than 58%. As a result, processing time is greatly reduced and manufacturing costs are reduced. 

3: The graphite electrode is different from the traditional copper electrode design. Many mold factories usually in the copper electrode roughing and finishing have different reservations, and graphite electrodes use almost the same amount of reserve, which reduces the CAD/CAM and machine processing times, this reason alone enough to greatly improve the accuracy of the mold cavity.