Electrode wire for low-silver-oxygen unidirectional wire running and manufacturing method thereof

Abstract

A low-silver-oxygen unidirectional wire-feeding electrode wire and its manufacturing method, comprising a core material and a composite metal layer on the surface, the alloy composition of the core material is: silver 0.01‑0.10%, phosphorus 0.0005‑0.03wt%, other metal elements 0.05‑ 0.5%, other metal elements are at least two of iron, zirconium, silicon, magnesium, calcium, aluminum, chromium, rare earth, unavoidable impurities < 0.5%, the balance is copper; the surface composite metal layer is: copper 50.1‑ 60.1%, oxygen 0.005-1.0wt%, phosphorus 0.0005-0.03%, unavoidable impurities <0.5%, and the rest being zinc. The method is as follows: continuous melting and casting, continuous drawing and continuous annealing to produce core materials, heat treatment after zinc coating on the surface, to produce copper-zinc-silver-oxygen composite materials, and continuous drawing and continuous annealing processing on the finished composite materials to obtain electrode wires. This kind of electrode wire has stable discharge and fast cutting speed. It is suitable for cutting materials with a thickness of more than 0 mm, and the surface quality of the cut parts is not lower than other types of electrode wires.

Description

technical field [0001] The invention relates to a low silver oxygen (silver in the core material: 0.01-0.10wt%, oxygen in the surface layer: oxygen 0.005-1.0wt%) electrode wire for one-way wire (electrode wire for electro discharge machining) ) and methods of manufacture thereof. Background technique [0002] The unidirectional wire electric discharge machining method is a precision machining method developed rapidly in recent years. EDM technology was first invented by former Soviet scholars Lazarenko and his wife in 1943, and then developed rapidly with the improvement of pulse power supply and control system. EDM is a special processing method that uses the electric erosion effect produced by the pulse discharge between the two electrodes immersed in the working fluid to etch away the conductive material. [0003] According to the form of the tool electrode and the characteristics of the relative movement between the workpiece and the workpiece, the EDM methods can be d...

AI Technical Summary

Problems solved by technology

[0011] 3. Korean PAPS-S-wire: This type of electrode wire is close to the performance of the electrode wire of the present invention. From the analysis of the content of the Korean patent, this product is produced by hot-dip galvanizing technology, and due to the requirements of patent protection, The price of this product is higher than the processing of the product of the present invention, and due to the limitation of the import time period, the promotion degree of this line in my country is not good

[0012] Four, the Topas Plus X series product of German Berkenhoff company and the series product of the Thermo TEX of French Thermocompact company: these two types of products are the product of the same type with the present invention, but because the core material of this product is not through alloying processing, the strength of the material is low, which limits the straightness of cutting. On the other hand, because this type of product has complicated technology and high production cost, it is not suitable for the promotion of this new electrode wire material in my country under the new normal. At the same time Facing the reality that WEDM users cannot afford it

Images