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Electrode wire for electrical discharge machining and method of manufacturing electrode wire for electrical discharge machining
Electrode wire for electrical discharge machining and method of manufacturing electrode wire for electrical discharge machining
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机译:放电加工用电极线及制造方法
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摘要
To provide an electrode wire for electrical discharge machining including β-brass and γ-brass arranged on an outer peripheral surface of a core and a method of manufacturing the electrode wire, capable of enhancing wire connection performance and cutting down manufacturing cost while trying to increase a processing speed.;The electrode wire for electrical discharge machining according to this invention comprises: an external layer including β-brass and γ-brass; and a core having an undulating shape formed at a boundary surface with the external layer. The β-brass and the γ-brass are arranged densely and sparsely at the boundary surface of the undulating shape. The method of manufacturing an electrode wire for electrical discharge machining according to this invention comprises: a thermal processing step of executing thermal process on a base material under a predetermined thermal processing condition, the base material having a core with a zinc-coated surface; and a wire drawing step of drawing a base wire under a predetermined wire drawing condition provided with β-brass and γ-brass formed at the surface of the core by the thermal process to make the γ-brass reach the core, thereby forming a boundary surface of the core with an external layer into an undulating shape.
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