CN101362232B - Electric spark cutting conductor and manufacture method thereof - Google Patents
Electric spark cutting conductor and manufacture method thereof Download PDFInfo
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- CN101362232B CN101362232B CN200810107243XA CN200810107243A CN101362232B CN 101362232 B CN101362232 B CN 101362232B CN 200810107243X A CN200810107243X A CN 200810107243XA CN 200810107243 A CN200810107243 A CN 200810107243A CN 101362232 B CN101362232 B CN 101362232B
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Abstract
The invention relates to a spark cutting wire and a manufacturing method thereof. The cutting wire includes a steel core and a coating which is wrapped out the steel core and is beryllium copper alloy. The percentage of the beryllium in the coating is 1.90 percent to 2.15 percent. The cross section of the sparking cutting wire is circular, and the area of the cross section of the coating accounts for 10 percent to 20 percent of the area of the cross section of the spark cutting wire. As the source of carbon steel and beryllium copper is extensive and the price is lower, the invention uses the beryllium copper alloy baotou steel cutting wire to replace molybdenum wires and brass wires, thus having the advantages of high strength, excellent wear resistance, corrosion resistance, anti-sticking, conductivity and thermal conductivity, guaranteeing the cutting performance of an electrode wire and saving precious metal materials.
Description
Technical field
The invention belongs to electric spark machining field, particularly a kind of electric spark cutting conductor.
Background technology
In the online cutting field, speed of service difference according to wire electrode, electric spark linear cutting machine is divided into two classes usually: a class is the low-speed wire cutting electric spark linear cutting machine, it adopts copper wire as wire electrode usually, be characterized in stable working, evenly, shake is little, crudy is better, and just do not re-use behind the wire electrode discharge.Another kind of is high-speed wire electrical discharge machine tool, and it adopts molybdenum to do wire electrode usually, its wire travelling speed height, and crudy is not high relatively, and the cut edge is more coarse, and wire electrode is reusable.Because the requirement of spark machined characteristics, wire electrode must be good, corrosion-resistant and process stable material and be made by electric conductivity, yet the cost that adopts copper wire or molybdenum filament is all than higher.
Summary of the invention
The objective of the invention is to seek the substitute of a kind of copper wire or molybdenum filament, cheap, the wide material sources of this electric spark cutting conductor, easier obtaining.
For achieving the above object, the technical solution adopted in the present invention is: a kind of electric spark cutting conductor, it comprises steel core, is coated on the coating in the described steel core outside, and described coating is a beallon, and the degree of beryllium is 1.90～2.15% in the described coating.
The degree of beryllium is 2.0% in the described coating.
Described steel core is No. 10 steel.
The cross section of described electric spark cutting conductor is circular, the cross-sectional area of described coating account for described electric spark cutting conductor cross-sectional area 10%～20%.
The cross-sectional area of described coating account for described electric spark cutting conductor cross-sectional area 14%.
Another object of the present invention provides a kind of method of making above-mentioned electric spark cutting conductor, and the main technological means that adopts is: a kind of manufacture method of electric spark cutting conductor, it comprises the steps:
1), heat treatment, remove the oxide layer of beallon band and steel strip surface, increase the ductility of beallon band;
2), wrap on the steel wire the beallon band is vertical, and the weldering of argon arc seam, the copper-clad steel pole made;
4), described copper-clad steel pole is carried out mechanical stretching;
5), annealing heat treatment;
6), cut apart finished product;
The degree of beryllium is 1.90～2.15% in the described beallon band.。
The degree of beryllium is 2.0% in the described beallon band.
Owing to adopted technique scheme, make the present invention compared with prior art have following advantage: the wide material sources of carbon steel and beryllium copper, cheap, utilize the copper covered steel wire cutting to replace molybdenum filament, have high strength, good wearability, corrosion resistance, anti-stick outstanding property, electric conductivity and heat conductivility, can guarantee the cutting performance of electrode wires, save the precious metal material simultaneously.
Description of drawings
Accompanying drawing is the sectional view of electric spark cutting conductor of the present invention;
Wherein: 1, steel core; 2, coating;
Specific embodiment
In conjunction with the accompanying drawings, a kind of electric spark cutting conductor, it comprises steel core 1, is coated on the coating 2 in described steel core 1 outside, described coating 2 is a beallon, the degree of beryllium is 1.90～2.15% in the described coating 2, and is preferred 2.0%, and described steel core 1 is No. 10 steel, the plasticity of No. 10 steel and toughness are all fine, are very suitable for the heart yearn as electric spark cutting conductor.
Beryllium copper be a kind of be the copper matrix alloy material of main added elements with beryllium, it has good thermal conductivity, wearability, high rigidity, utilizes the beallon material to coat steel core and can save precious metal, guarantees every index request of line cutting simultaneously.The present invention can be applicable to the situation of low-speed wire cutting processing and quick wire processing simultaneously, and the workpiece crudy is good.
The cross section of described electric spark cutting conductor is circular, the cross-sectional area of described coating 2 account for described electric spark cutting conductor cross-sectional area 10%～20%, optimally, described coating 2 account for described electric spark cutting conductor cross-sectional area 14%.
The manufacture method of described electric spark cutting conductor comprises the steps:
1, the oxide layer of beallon band and steel strip surface is removed in heat treatment, improves the ductility of beallon band, thereby guaranteeing that it can be indulged in subsequent handling wraps on the steel wire;
2, wrap on the steel wire the beallon band is vertical, by the weldering of argon arc seam, the beallon band is wrapped on the steel wire tightly, copper strips does not have tomography when guaranteeing to stretch;
3, mechanical stretching makes beallon and steel wire reach metallurgical binding;
4, annealing heat treatment;
5, cut apart finished product, obtain electric spark cutting conductor.
Claims (1)
1. electric spark cutting conductor, it is characterized in that: it comprises steel core (1), is coated on the coating (2) in described steel core (1) outside, described coating (2) is a beallon, described steel core (1) is No. 10 steel, the degree of beryllium is 2.0% in the described coating (2), the cross section of described electric spark cutting conductor is circular, the cross-sectional area of described coating (2) account for described electric spark cutting conductor cross-sectional area 14%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810107243XA CN101362232B (en) | 2008-09-28 | 2008-09-28 | Electric spark cutting conductor and manufacture method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810107243XA CN101362232B (en) | 2008-09-28 | 2008-09-28 | Electric spark cutting conductor and manufacture method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101362232A CN101362232A (en) | 2009-02-11 |
| CN101362232B true CN101362232B (en) | 2010-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810107243XA Expired - Fee Related CN101362232B (en) | 2008-09-28 | 2008-09-28 | Electric spark cutting conductor and manufacture method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101362232B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102784981A (en) * | 2011-05-20 | 2012-11-21 | 昆山市瑞捷精密模具有限公司 | Slow-wire-walking electrospark wire-electrode cutting metal wire and manufacture method thereof |
| EP2895297A4 (en) * | 2012-09-17 | 2016-06-15 | Composite Concepts Company Inc | Wire electrode for electrical discharge machining |
| CN105562857A (en) * | 2016-02-17 | 2016-05-11 | 苏州华冲精密机械有限公司 | High-precision wire cutting machining method |
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2008
- 2008-09-28 CN CN200810107243XA patent/CN101362232B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN101362232A (en) | 2009-02-11 |
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Owner name: SUZHOU NANFANG XINDA BIMETALLIC MATERIAL CO., LTD. Free format text: FORMER OWNER: SUZHOU XINDASHUANG METAL MATERIAL CO., LTD. Effective date: 20110512 |
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Effective date of registration: 20110512 Address after: 215234, No. 88, orange road, seven Town, Wujiang, Jiangsu Patentee after: Suzhou Nanfang Xinda Bimetallic Material Co., Ltd. Address before: 215234, No. 88, orange road, seven Town, Wujiang, Jiangsu Patentee before: Suzhou Xindashuang Metal Material Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101027 Termination date: 20160928 |