CN100349232C - Steel clad copper composite wire and its preparation method - Google Patents
Steel clad copper composite wire and its preparation method Download PDFInfo
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- CN100349232C CN100349232C CNB2005101327276A CN200510132727A CN100349232C CN 100349232 C CN100349232 C CN 100349232C CN B2005101327276 A CNB2005101327276 A CN B2005101327276A CN 200510132727 A CN200510132727 A CN 200510132727A CN 100349232 C CN100349232 C CN 100349232C
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Abstract
The present invention relates to a composite wire of ladle copper and a preparation method thereof, particularly to composite materials for current transmission in the field of an electronic device. The composite materials are particularly suitable for being used as the materials of a conductive column of a relay and have the advantages of high strength, high sealing performance and high conductive performance. The present invention is characterized in that the composite wire is composed of a copper core and a steel layer, wherein the steel layer is coated on the copper core. Because the composite wire of ladle copper only has two layers, the coating layer is made of 30CrMnSiA steel, and the core layer is made of T2 copper; thus, the present invention has the advantages of low production cost, short production period, simple technology, high mechanical strength, good plastic processing performance, high conductive performance and good technology stability.
Description
Technical field
A kind of steel clad copper composite wire and preparation method thereof relates to a kind of composite material that field of electronic devices, transmission current are used that is used for, and is specially adapted to do relay " conductive pole " material with high strength, high leakproofness, high conductivity.
Background technology
At present, the steel clad copper composite wire that many fields are used to do the conductive pole material is a multilayer, has promptly increased one or more layers intermediate metal and outer layer metal jacket between coating layer steel and copper core, makes the processing technology complexity of this composite filament like this, production cycle is long, the production cost height.
Summary of the invention
Purpose of the present invention is exactly the complexity at above-mentioned existing production technology, a kind of recombination line preparation technology of relative simplification is provided, avoided because of adding the adverse effect that the intermetallic metal transition zone produces composite filament, the composite filament of producing has the electric conductivity that high mechanical strength is become reconciled simultaneously.
The objective of the invention is to be achieved through the following technical solutions.
A kind of steel clad copper composite wire, this recombination line are to be made of copper core and the steel layer that is coated on the copper core; The coating layer material that it is characterized in that this recombination line is the 30CrMnSiA steel, and the core material is the double-layer structure of T2 copper, and composite filament section core T2 copper area occupied ratio is 5%～40%.
Steel clad copper composite wire of the present invention, adopt the upper and lower heelpiece of mechanical processing method processing coating layer 30CrMnSiA sleeve, T2 plug and compound base, wherein descend mat thickness 3～8mm, last pad is a round platform, thickness 10～20mm, and be with 120 ° of taperings, the external diameter of upper and lower heelpiece is identical with coating layer 30CrMnSiA sleeve outer diameter, assembles compound base with argon arc welding, vacuum seal then.The compound base that assembles through heating, extruding, hot pull, intermediate annealing, pickling, cold drawing operation, makes steel clad copper composite wire.
Because the steel clad copper composite wire of invention has only two-layerly, coating layer is the 30CrMnSiA steel, and sandwich layer is a T2 copper, and production cost is low, with short production cycle, technology is simple, and the mechanical strength height, plastic deformation ability is good, conductivity is high, and technology stability is good.
Description of drawings
Fig. 1 is the section structure schematic diagram of steel clad copper composite wire of the present invention.
Steel clad copper composite wire base assembling schematic cross-sectional view when Fig. 2 prepares steel clad copper composite wire.
The upper and lower heelpiece schematic diagram of the compound base of Fig. 3 ladle copper.
Concrete execution mode
The invention will be further described below in conjunction with accompanying drawing and example.
A kind of steel clad copper composite wire, this recombination line are to be made of copper core 1 and the steel layer 2 that is coated on the copper core.The coating layer material of this recombination line is the 30CrMnSiA steel, and the core material is the double-layer structure of T2 copper, and composite filament section core T2 copper area occupied ratio is 5%～40%.
Embodiment 1
The shared cross-sectional area 5% of composite wire T2 copper of preparation.
Prepare compound base, recipient Φ 80mm, adopt the method processing coating layer 30CrMnSiA sleeve 3 of machining then, the outer warp of sleeve is 17.4 ± 0.15mm for Φ 78mm, diameter of bore, diameter 17.4 ± the 0.15mm of T2 plug 4, process upper and lower heelpiece, on fill up 5 thick 15mm, underlay 6 thick 5mm, and be with 120 ° of taperings.And to form tight fit between 30CrMnSiA sleeve and the T2 plug, assemble compound base then.
Adopt 600 tons of vertical extruders, the first compound base to 1000 of heating ℃ ± 10 ℃ in muffle furnace, carry out hot extrusion again, the compound bar of extruding is Φ 14～Φ 20mm, carry out hot pull, pickling, intermediate annealing, cold drawing then, make steel clad copper composite wire, the recombination line average tensile strength is 960MPa.
The shared cross-sectional area 15% of composite wire T2 copper of preparation.
Prepare compound base, recipient Φ 80mm, adopt the method processing coating layer 30CrMnSiA sleeve 3 of machining then, the outer warp of sleeve is 30.2 ± 0.15mm for Φ 78mm, diameter of bore, diameter 30.2 ± the 0.15mm of T2 plug 4, process upper and lower heelpiece, on fill up 5 thick 15mm, underlay 6 thick 5mm, and be with 120 ° of taperings.And to form tight fit between 30CrMnSiA sleeve and the T2 plug, assemble compound base then.
Adopt 600 tons of vertical extruders, the first compound base to 1000 of heating ℃ ± 10 ℃ in muffle furnace, carry out hot extrusion again, the compound bar of extruding is Φ 14～Φ 20mm, carry out hot pull, pickling, intermediate annealing, cold drawing then, make steel clad copper composite wire, the recombination line average tensile strength is 928MPa.
The shared cross-sectional area 30% of composite wire T2 copper core of preparation.
Prepare compound base, the recipient of extruder selects Φ 80mm, adopts the method processing coating layer 30CrMnSiA sleeve of machining then, and the outer warp of sleeve is Φ 42.7 ± 0.15mm for Φ 78mm, diameter of bore, the diameter of phi 42.7 ± 0.15mm of T2 core.Process upper and lower heelpiece then, on fill up 5 thick 15mm, underlay 6 thick 5mm, and be with 120 ° of taperings.And to form tight fit between 30CrMnSiA sleeve and the T2 plug.Assemble compound base then.
Adopt 600 tons of vertical extruders, the first compound base to 1000 of heating ℃ ± 10 ℃ in muffle furnace, the compound bar of carry out hot extrusion again, extruding is Φ 14～Φ 20mm, carry out hot pull, pickling, intermediate annealing, cold drawing then, make steel clad copper composite wire, the recombination line average tensile strength is 688MPa.
The shared cross-sectional area 40% of composite wire T2 copper of preparation.
Prepare compound base, recipient Φ 80mm, adopt the method processing coating layer 30CrMnSiA sleeve 3 of machining then, the outer warp of sleeve is 49.3 ± 0.15mm for Φ 78mm, diameter of bore, diameter 49.3 ± the 0.15mm of T2 plug 4, process upper and lower heelpiece, on fill up 5 thick 15mm, underlay 6 thick 5mm, and be with 120 ° of taperings.And to form tight fit between 30CrMnSiA sleeve and the T2 plug, assemble compound base then.
Adopt 600 tons of vertical extruders, the first compound base to 1000 of heating ℃ ± 10 ℃ in muffle furnace, carry out hot extrusion again, the compound bar of extruding is Φ 14～Φ 20mm, carry out hot pull, pickling, intermediate annealing, cold drawing then, make steel clad copper composite wire, the recombination line average tensile strength is 618MPa.
Claims (2)
1. steel clad copper composite wire, this recombination line are to be made of copper core and the steel layer that is coated on the copper core; The coating layer material that it is characterized in that this recombination line is the 30CrMnSiA steel, and the core material is the double-layer structure of T2 copper, and composite filament section core T2 copper area occupied ratio is 5%～40%.
2. the preparation method of a steel clad copper composite wire, it is characterized in that adopting the upper and lower heelpiece of mechanical processing method processing coating layer 30CrMnSiA sleeve, T2 plug and compound base, wherein descend mat thickness 3～8mm, last pad is a round platform, thickness 10～20mm, and be with 120 ° of taperings, the external diameter of upper and lower heelpiece is identical with coating layer 30CrMnSiA sleeve outer diameter, assembles compound base with argon arc welding, vacuum seal then; The compound base that assembles through heating, extruding, hot pull, intermediate annealing, pickling, cold drawing operation, makes steel clad copper composite wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101327276A CN100349232C (en) | 2005-12-28 | 2005-12-28 | Steel clad copper composite wire and its preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101327276A CN100349232C (en) | 2005-12-28 | 2005-12-28 | Steel clad copper composite wire and its preparation method |
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| Publication Number | Publication Date |
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| CN1808634A CN1808634A (en) | 2006-07-26 |
| CN100349232C true CN100349232C (en) | 2007-11-14 |
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| CNB2005101327276A Expired - Fee Related CN100349232C (en) | 2005-12-28 | 2005-12-28 | Steel clad copper composite wire and its preparation method |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102800383A (en) * | 2012-07-18 | 2012-11-28 | 上海新时达电线电缆有限公司 | Tensile travelling elevator cable with copper-clad steel conductors |
| EP2808873A1 (en) * | 2013-05-28 | 2014-12-03 | Nexans | Electrically conductive wire and method for its manufacture |
| CN103612122B (en) * | 2013-12-11 | 2016-01-06 | 中国航空工业标准件制造有限责任公司 | A kind of cold drawn shaping is obturaged pad manufacture method |
| CN104475701A (en) * | 2014-12-08 | 2015-04-01 | 西安理工大学 | Production method of steel clad copper composite |
| CN107123466A (en) * | 2017-04-27 | 2017-09-01 | 西北有色金属研究院 | A kind of high-strength high conductivity low-density copper-clad titanium composite contact wire and preparation method thereof |
| CN110421016B (en) * | 2019-08-09 | 2021-01-29 | 上海科发电子产品有限公司 | Method for manufacturing steel ladle copper core composite material |
| CN111590275A (en) * | 2020-05-26 | 2020-08-28 | 西安瑞鑫科金属材料有限责任公司 | Preparation method of metal-based composite conductor blank |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2116012U (en) * | 1992-04-14 | 1992-09-16 | 北京有色金属研究总院 | Combined electrode made of stainless steel clad copper |
| CN2480957Y (en) * | 2001-06-11 | 2002-03-06 | 南通华雄电子材料有限公司 | Composite shielding cable |
| RU2256251C2 (en) * | 2003-04-24 | 2005-07-10 | Чавыкин Николай Александрович | Uninsulated steel copper wire |
-
2005
- 2005-12-28 CN CNB2005101327276A patent/CN100349232C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2116012U (en) * | 1992-04-14 | 1992-09-16 | 北京有色金属研究总院 | Combined electrode made of stainless steel clad copper |
| CN2480957Y (en) * | 2001-06-11 | 2002-03-06 | 南通华雄电子材料有限公司 | Composite shielding cable |
| RU2256251C2 (en) * | 2003-04-24 | 2005-07-10 | Чавыкин Николай Александрович | Uninsulated steel copper wire |
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| CN1808634A (en) | 2006-07-26 |
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| C14 | Grant of patent or utility model | ||
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Xi'an Huatai Nonferrous Metal Industry Co.,Ltd. Assignor: NORTHWEST INSTITUTE FOR NONFERROUS METAL RESEARCH Contract fulfillment period: 2008.3.20 to 2018.3.20 Contract record no.: 2009610000069 Denomination of invention: Steel clad copper composite wire and its preparation method Granted publication date: 20071114 License type: General permission Record date: 20091126 |
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Free format text: COMMON LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.3.20 TO 2018.3.20; CHANGE OF CONTRACT Name of requester: XI'AN HUATAI NONFERROUS METAL INDUSTRY CO., LTD Effective date: 20091126 |
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Granted publication date: 20071114 Termination date: 20211228 |