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Machining of graphite electrodes

May 21, 2019
With the continuous improvement of graphite electrode quality and technical requirements in the steelmaking industry, graphite electrodes are developing in the direction of large size, high precision and high power. This poses a new topic for the machining of graphite electrodes.
The machining of graphite electrodes includes the steps of keyhole, scraping end face, outer circle, and thread milling.
Domestic graphite electrode machining can be roughly divided into two types. The first category is Jijia, Lanjiao, etc. The introduction of CNC electrode processing automatic lines from the United States, Japan and other countries has greatly improved the processing quality of the electrodes and reached the international level. The other type is a domestically-made ordinary lathe that is still commonly used by other enterprises. The labor intensity of the workers is high, the production efficiency is low, the specifications are limited, and the processing precision and surface roughness are difficult to meet the requirements of the steelmaking industry. The competitiveness in the international market is not strong. For these enterprises, the fundamental way to quickly reverse this situation is to base on the domestic market and use advanced technology and equipment to transform the production line as soon as possible to improve the machining level of graphite electrodes.