B - Operations – Transporting – 23 – H
Patent
B - Operations, Transporting
23
H
B23H 7/08 (2006.01)
Patent
CA 2739374
The invention relates to a wire electrode (1) for spark-erosion cutting. The wire electrode (1) comprises a core (2) made of more than 50 % by weight pure crystalline aluminum and/or one or more crystalline aluminum alloys, and comprises a coating layer (3) encompassing the core (2) and comprising copper, zinc, and/or a copper-zinc alloy. The proportion of the surface area of the core (2) relative to the total cross-sectional area of the wire electrode (1) is in the range from 60% to 95% along the entire length of the wire electrode (1).
La présente invention concerne un fil-électrode (1) pour la découpe par décharge électrique. Le fil-électrode (1) comporte un noyau (2), qui est composé à plus de 50 % en poids d'aluminium pur cristallin et/ou d'un ou plusieurs alliages d'aluminium cristallins, et une enveloppe externe (3) entourant le noyau (2) qui comporte du cuivre, du zinc et/ou un alliage cuivre-zinc. La partie superficielle du noyau (2), sur l'ensemble de la surface de coupe transversale du fil-électrode (1), repose le long de toute la longueur du fil-électrode (1), dans une plage comprise entre 60 % et 95 %.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Berkenhoff Gmbh
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