Call 847-981-5626


December 1st, 2016
KGK International Corp

When wire EDMing carbide, the cobalt will start to break down due to oxidation caused by the dielectric fluid even while EDMing is not taking place. In order to further reduce oxidation of the carbide tool, Seibu’s EL Coating applies a very thin layer of brass wire onto the carbide during the final trim pass. This thin layer of brass protects the carbide’s cobalt from the oxygen ions located in the dielectric fluid. If the cobalt is not protected after the final EDM skim pass, it is attacked by the oxygen ions. Carbide is a hard material used to produce stamping and drawing dies. A carbide part that has been protected with Seibu’s EL Coating results in longer tool life and more parts being produced. To activate EL Coating a simple M code is added to the CNC program. EL Coating is easy to use an available on all Seibu high precision wire EDMs.EL Coating Seibu

Seibu EDMs are imported into the U.S. by KGK International Corp. KGK-I Corp. is one of the world’s largest international trading companies with a network of worldwide offices. Seibu wire EDMs are manufactured at their ISO certified factory located in Fukuoka, Japan. Seibu developed the worlds’ 1st wire EDM in 1972.

For more information contact:

KGK International Corp
543 W. Algonquin Road
Arlington Heights, IL 60005
ph: 847-981-5626
www.kgki.com


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