Electrode wire for slow wire EDM cutting

A technology of electrode wire and slow-moving wire, which is applied in the field of electrode wire, can solve the problems of damage to the wire-feeding part structure and guide device of the slow-moving wire cutting machine, the reduction of the mechanical properties of the electrode wire, and the limitation of the applicability of the electrode wire, etc., to achieve high cutting Surface quality, optimized electrical properties, and the effect of excellent surface quality
CN105834533BActive Publication Date: 2017-12-01NINGBO BODE HIGHTECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NINGBO BODE HIGHTECH CO LTD
Publication Date
2017-12-01

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Abstract

An electrode wire used for spark cutting of low-speed wire cutting comprises an electrode wire body. The electrode wire body is composed of a core material and a surface metal layer, wherein the core material is made of an alloying brass material, and the surface metal layer covers the core material. A transition layer is arranged between the core material and the surface metal layer. The alloying brass material is composed of, by weight, 58.0-65.0% of copper and the balance zinc, a small quantity of adding elements and inevitable impurities. The surface metal layer is composed of copper, zinc, adding elements and inevitable impurities, wherein the zinc content is larger than 52 wt% and smaller than 68 wt%, and the surface metal layer is distributed in a fracture shape longitudinally. Compared with the prior art, the electrode wire has the advantages that the manufactured electrode wire is stable in discharge performance, the cutting speed is increased, a wire feeding part and a guiding device of low-speed wire cutting equipment are prevented from being damaged, a machining technique of the electrode wire is simple, the application range is wide, the cost is low, and broad market prospects are achieved.
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Description

technical field

[0001] The invention relates to an electrode wire (Electro Discharge Machining) used for slow wire electric discharge machining. Background technique

[0002] As we all know, EDM is a special processing method that uses the electric erosion effect generated by the pulse discharge between the two electrodes immersed in the working fluid to etch away the conductive material. It is also called electric discharge machining or electric erosion machining. During production, the electric discharge cutting process is to erode the metal of the processed part by generating electric sparks in the area between the processed part and the electrode wire, and through the movement of the electrode wire along its own axial direction or the processing part along the electrode wire diameter Translate in the direction to electro-corrode and process the workpiece according to the required shape.

[0003] Generally speaking, the positive electrode of the power supply generator of...

Claims

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