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Composite electrode wire, and preparation method and application of composite electrode wire

A composite electrode wire and wire drawing technology, which is applied in the direction of cable/conductor manufacturing, circuits, conductive materials, etc., can solve the problems of composite electrode wire such as dull surface and low overall strength, and achieve fine diameter, excellent electrical conductivity, and better toughness Effect

Pending Publication Date: 2021-12-21
湖州金钛导体技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the above problems, the present invention provides a composite electrode wire and a preparation method and application of the composite electrode wire. The brass tubular outer material is directly set outside the core material of the conductive alloy, and then pressure cold packs are performed to make the core material of the conductive alloy It is directly and concentrically clad with the brass outer material, and then undergoes drawing, annealing and wire drawing treatment, so that the core material and the outer material form the final composite electrode wire. The surface of the composite electrode wire can be sprayed with zinc material coating, which solves the existing problem The technical problems of the surface of the composite electrode wire are not glossy and the overall strength is low

Method used

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  • Composite electrode wire, and preparation method and application of composite electrode wire
  • Composite electrode wire, and preparation method and application of composite electrode wire

Examples

Experimental program
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Effect test

Embodiment 1

[0037] Such as figure 1 As shown, a composite electrode wire, comprising:

[0038] A core material 1 and an outer material 2 concentrically wrapped around the core material 1;

[0039] The core material 1 is a conductive alloy;

[0040] The outer material 2 is brass.

[0041] Wherein, the core material 1 is a conductive copper alloy that has undergone grain refinement treatment, and the treatment method is one of continuous extrusion or hot rolling, and the electrical conductivity of the core material 1 is greater than 50% IACS.

[0042] Further, the outer material 2 is zinc-containing brass, and the zinc content in the outer material 2 is 30%-50%, and the rest is copper and unavoidable impurities.

[0043] After the core material 1 is covered, the surface of the outer material 2 is galvanized.

[0044] It should be noted that, compared with the traditional existing composite electrode wire, the difference of the composite electrode wire in the present invention is that a ...

Embodiment 2

[0054] Such as figure 2 Shown, a kind of preparation method of composite electrode wire, comprises the following steps:

[0055] Step a, pretreatment, the core material 1 is subjected to fine-grain treatment to obtain a solid, round rod-shaped core material

[0056] Step b, fit, select a solid conductive copper alloy with a conductivity of 60% IACS as the core material and a tubular brass outer material with a zinc content of 30% to clean and fit together, the cross-sectional area of ​​the outer material 2 and the core material 1 The ratio is 7:3;

[0057] Step c, cold pressing, circumferentially extruding the conductive copper alloy and brass fitted in step a, so that the conductive copper alloy and brass extend axially synchronously, and the circumferential extrusion pressure is 1000 MPa, the core material 1 and The diameter reduction and deformation of outer material 2 after axial extension is 40%

[0058] Step d, hot-pressed ring rolling, the core material 1 and the ou...

Embodiment 3

[0063] Such as figure 2 Shown, a kind of preparation method of composite electrode wire, comprises the following steps:

[0064] Step a, pretreatment, the core material 1 is subjected to fine-grain treatment to obtain a solid, round rod-shaped core material

[0065] Step b, fit, select a solid conductive copper alloy with a conductivity of 60% IACS as the core material and the tubular brass outer material with a zinc content of 40% to clean and fit together, the cross-sectional area of ​​the outer material 2 and the core material 1 The ratio is 1:1;

[0066] Step c, cold pressing, circumferentially extruding the conductive copper alloy and brass fitted in step a, so that the conductive copper alloy and brass extend axially synchronously, and the circumferential extrusion pressure is 750MPa, the core material 1 and the The diameter reduction and deformation of outer material 2 after axial extension is 30%

[0067] Step d, hot-press ring rolling, the core material 1 and the ...

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Abstract

The invention relates to the technical field of electrode wire machining, and concretely relates to a composite electrode wire, and a preparation method and application of the composite electrode wire. A conductive alloy core material is directly sleeved with a brass tubular outer material, then pressure cold wrapping is conducted to make the conductive alloy core material and the brass outer material directly and concentrically wrapped into a whole, then drawing, annealing and wire drawing treatment are carried out to make the core material and the outer material form the final composite electrode wire, and a zinc material coating can be sprayed on the surface of the composite electrode wire, so the technical problems that the surface of an existing composite electrode wire is not glossy, and the overall strength is low are solved.

Description

technical field [0001] The invention relates to the technical field of electrode wire processing, in particular to a composite electrode wire, a preparation method and application of the composite electrode wire. Background technique [0002] Composite conductors combine the characteristics of several different materials. Good adaptability is an obvious advantage of composite conductors. They not only have ideal electromechanical properties, but also have a wide range of applications. At present, in the domestic precision machining field, slow-moving wire-feeding equipment is widely used for precision cutting of materials. The cutting electrode wire used in slow wire walking is mainly made of brass, and the zinc element in the brass is vaporized at high temperature to wash away fine chips to improve the accuracy of the cutting surface. However, brass has a high hardness, and it is difficult to process it into a diameter below 0.2 mm, and its conductivity is limited, basical...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B1/02H01B5/02H01B13/00
CPCH01B1/026H01B5/02H01B13/00
Inventor 李学斌朱元涛杨昭伟
Owner 湖州金钛导体技术有限公司
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