EP1973677B1 - Elektrischer verbundleiter und herstellverfahren dafür - Google Patents
Elektrischer verbundleiter und herstellverfahren dafür Download PDFInfo
- Publication number
- EP1973677B1 EP1973677B1 EP06841009A EP06841009A EP1973677B1 EP 1973677 B1 EP1973677 B1 EP 1973677B1 EP 06841009 A EP06841009 A EP 06841009A EP 06841009 A EP06841009 A EP 06841009A EP 1973677 B1 EP1973677 B1 EP 1973677B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wire
- alloy
- composite conductor
- core
- content
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Not-in-force
Links
- 239000004020 conductor Substances 0.000 title claims abstract description 39
- 239000002131 composite material Substances 0.000 title claims abstract description 38
- 238000004519 manufacturing process Methods 0.000 title claims description 19
- 239000000956 alloy Substances 0.000 claims abstract description 29
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 29
- 238000005253 cladding Methods 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 2
- 239000011162 core material Substances 0.000 description 40
- 239000000463 material Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 7
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 238000005275 alloying Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000004870 electrical engineering Methods 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/22—Making metal-coated products; Making products from two or more metals
- B21C23/24—Covering indefinite lengths of metal or non-metal material with a metal coating
- B21C23/26—Applying metal coats to cables, e.g. to insulated electric cables
- B21C23/30—Applying metal coats to cables, e.g. to insulated electric cables on continuously-operating extrusion presses
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
- H01B1/026—Alloys based on copper
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
- Y10T428/12903—Cu-base component
- Y10T428/1291—Next to Co-, Cu-, or Ni-base component
Definitions
- the invention relates to an electrical composite conductor, in particular contact wire, and a manufacturing method thereof.
- the proposed composite conductor excels in its mechanical and electrical properties the materials available so far. At the same time, it is adaptable to a wide range of different requirements. This increases the flexibility of the manufacturing process and the expansion of product diversity.
- the invention and thus the composite conductor consists of a base alloy of CuAg with an Ag content of 0.08 to 0.12%, and the edge or the core of the composite conductor consists of an alloy of CuMg with an Mg content of 0.1 to 0.7%.
- the Mg content of the CuMg alloy is preferably 0.5% Mg.
- the silver content in the base alloy is 0.1% Ag.
- the area fraction of the alloy present on the core side at the cross section of the composite conductor is between 10 and 80%.
- the area ratio of a CuMg alloy present in the core should be 50%.
- the structure of the core may consist of a single or multiple strands of wire.
- the wire strands have approximately the same diameter.
- the composite conductor can be produced in different cross sections. Such cross sections can be: circular for the production of a round wire, approximately rectangular for the production of a busbar or profiled for a profile wire. As a preferred application of a profile wire trolley wires should be addressed. In this connection reference is made to the standard EN 50149, in which contact wires are standardized.
- the known strand-pressing process is proposed. It is the production of rods or wires via extrusion.
- the jacket material is introduced into (two) peripheral grooves of an extrusion wheel, wherein a flowable, tubular structure is produced by high friction on an abutment, which emerges as casing of the core material from the extruder opening.
- the core material is inserted through a hollow portal mandrel tangential to the extrusion wheel; the jacket material envelops the core material.
- the product is then passed through one or more dies and pulled down to final dimensions. It has already been mentioned that suitable extrusion presses are on the market.
- the invention utilizes the high strength and good conductivity of CuMg alloys in combination with the high conductivity, moderate hardenability, and good wear characteristics of CuAg alloys.
- the physically limited range of conventional contact wires consisting of only one alloy can be significantly extended with the proposed alloying partners in terms of strength and electrical conductivity.
- the proposed composite driving wire in addition to its better electrical conductivity, is not susceptible to corrosion and also capable of being recycled.
- a grooved contact wire which contains at least one wire of CuMg 0.1... 0.7 in the core and is surrounded by a jacket of CuAg 0.1.
- the core wire may be round or more or less adapted to the outer profile of the sheath (Ri profile).
- the area fraction of the core wire in the cross section of the composite conductor can vary within wide limits.
- the core wire is characterized in that it is adjusted by means of different degrees of cold work to a desired strength and is introduced with this strength in the composite. By an additional after the Holton-Conform extrusion (for example) applied cold forming a further solidification of the composite trolley wire.
- a variability of the adjustable product properties especially the strength and the electrical conductivity
- the material pairing is also possible in other forms, where in the core at least one wire of CuAg 0.1 is embedded, and the core is surrounded by a jacket of CuMg 0.1 ... 0.7.
- An advantage for the laying properties of the contact wire (low or reduced ripple after rolling off the cable reel) is likely to affect that when using a relatively high degree of cold work after the Holton-Conform process, the solidification of the CuAg shell already in the saturation (thermodynamic Equilibrium) and the overall strength of the jacket is significantly lower than that of the core wire. Furthermore, the homogeneity of the structure of the high strength core wire is much higher than that of a conventional contact wire of a single material, whereby more uniform mechanical properties over the contact wire length can be achieved.
- a core wire round or as a profile wire having a defined (high) strength and conductivity is made of a CuMg alloy (e.g., CuMg 0.5).
- the surface of the core wire or wires is carefully removed from foreign or corrosion layers, for example by chemical treatment. In the case of core wires with an extraneous-free, activated surface, it is ensured that a good material connection to the cladding material can be produced. Surface cleaning is important so that the tight material connection between core wire and sheathing is maintained during the further forming process.
- a core wire produced and pretreated in this way is encased in a conform cladding process with the highly conductive material CuAg 0.1. During the process control, it should preferably be prevented that the core wire recrystallizes under the resulting thermal load.
- the resulting composite wire is brought by further drawing steps in its final profile shape and further solidified. Depending on the required cross-sectional portion of the core wire can be introduced as a round or profile wire.
- the manufacturing process is to be controlled in such a way that no core wires come to lie in the edge or cladding region near the surface of the composite conductor, so that in the cladding zone of about 10% of the diameter no core wire is present.
- the cross-sectional reduction in the drawing process has an influence on the final strength of the product.
- busbars are used stationary in electrical distribution systems, so that for this application, the mechanical strength plays only a minor role.
- a round wire 12 is drawn, in which a plurality of core wires 22 are located.
- the individual wires 22 are distributed irregularly in the material 14 and are spaced from the surface of the round wire, so that a kernerahtget edge zone is present.
- the regularity of the individual wire distribution depends on the manufacturing method used, and is accordingly controllable.
- Fig. 2 shows a contact wire 10 (grooved wire or trolley wire) - according to EN 50149, which contains a wire of CuMg 0.1 ... 0.7 in the core 20 and is surrounded by a sheath 14 of CuAg 0.1.
- the core wire 20 comes from a round wire, which was deformed by the profiling, whereby it has received a pear-shaped cross-section. It is readily understood that the cross-sectional shape of the core wire depends on the magnitude of the deformation and the shape of the extruded starting profile, so that contact wires can be produced, which still have a nearly round core wire.
- the area fraction of the core wire in the cross section of the composite conductor can vary within wide limits (10 to 80%).
- the area ratio of this CuMg alloy should preferably be 50%.
- Fig. 3 shows a trolley wire 11, which contains a plurality of wire strands 22 in the core, which are distributed more or less regularly.
- the wire strands 22 are preferably made of a wire supply with a uniform diameter, so that the embedded wire strands have approximately uniform cross section, unless they undergo a different deformation in the manufacturing phase.
- the wire strands may also have non-circular cross-section.
- Cross section for the core wire 4 mm 2 As a numerical example of a contact wire is still specified: Cross section for the core wire 4 mm 2 . With a surface portion of the core wires of 50%, a corrugated contact wire (according to the above-mentioned standard) with a cross-section of approximately 120 mm 2 would require approximately 15 core wires.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Non-Insulated Conductors (AREA)
- Metal Extraction Processes (AREA)
- Conductive Materials (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Developing Agents For Electrophotography (AREA)
- Soft Magnetic Materials (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL06841009T PL1973677T3 (pl) | 2005-12-20 | 2006-12-18 | Przewód elektryczny i sposób jego wytwarzania |
SI200630364T SI1973677T1 (sl) | 2005-12-20 | 2006-12-18 | Sestavljen elektriäśni prevodnik in postopek za njegovo proizvodnjo |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005060809A DE102005060809B3 (de) | 2005-12-20 | 2005-12-20 | Elektrischer Verbundleiter |
PCT/EP2006/012177 WO2007071355A1 (de) | 2005-12-20 | 2006-12-18 | Elektrischer verbundleiter und herstellverfahren dafür |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1973677A1 EP1973677A1 (de) | 2008-10-01 |
EP1973677B1 true EP1973677B1 (de) | 2009-06-03 |
Family
ID=37907125
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06841009A Not-in-force EP1973677B1 (de) | 2005-12-20 | 2006-12-18 | Elektrischer verbundleiter und herstellverfahren dafür |
Country Status (17)
Country | Link |
---|---|
US (1) | US7786387B2 (da) |
EP (1) | EP1973677B1 (da) |
JP (1) | JP2009520332A (da) |
KR (1) | KR20080090398A (da) |
CN (1) | CN101340987B (da) |
AT (1) | ATE432780T1 (da) |
AU (1) | AU2006329004A1 (da) |
CA (1) | CA2633469A1 (da) |
DE (2) | DE102005060809B3 (da) |
DK (1) | DK1973677T3 (da) |
ES (1) | ES2326552T3 (da) |
PL (1) | PL1973677T3 (da) |
PT (1) | PT1973677E (da) |
RU (1) | RU2008129369A (da) |
SI (1) | SI1973677T1 (da) |
WO (1) | WO2007071355A1 (da) |
ZA (1) | ZA200805250B (da) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2808873A1 (de) * | 2013-05-28 | 2014-12-03 | Nexans | Elektrisch leitfähiger Draht und Verfahren zu seiner Herstellung |
RU2703564C1 (ru) * | 2018-09-18 | 2019-10-21 | Общество с ограниченной ответственностью "Научно-производственное предприятие "НАНОЭЛЕКТРО" | Композитный контактный провод |
CN110660499A (zh) * | 2019-10-09 | 2020-01-07 | 中铁建电气化局集团康远新材料有限公司 | 大长度熔融渗透式铜钢复合线材及其电压对称接线方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE216890C (da) | ||||
GB8309875D0 (en) * | 1983-04-12 | 1983-05-18 | Babcock Wire Equipment | Continuous extrusion apparatus |
JPH01175535A (ja) * | 1987-12-28 | 1989-07-12 | Fujikura Ltd | 銅被覆複合トロリ線 |
JPH0644412B2 (ja) | 1989-04-10 | 1994-06-08 | 株式会社フジクラ | 極細線用銅複合線材 |
GB9100317D0 (en) | 1991-01-08 | 1991-02-20 | Holton Machinery Ltd | Co-axial cable |
JPH06187851A (ja) | 1992-12-18 | 1994-07-08 | Hitachi Cable Ltd | 架空送電線用繊維強化複合素線の製造方法及び製造装置 |
CN1032824C (zh) * | 1993-09-06 | 1996-09-18 | 铁道部科学研究院机车车辆研究所 | 铜合金接触线 |
DE19539174C1 (de) * | 1995-10-20 | 1997-02-27 | Siemens Ag | Oberleitungsfahrdraht einer elektrischen Hochgeschwindigkeitsbahnstrecke und Verfahren zu dessen Herstellung |
JP4456696B2 (ja) * | 1999-07-06 | 2010-04-28 | 住友電気工業株式会社 | 同軸ケーブル素線、同軸ケーブル、及び同軸ケーブルバンドル |
JP2001148205A (ja) * | 1999-11-19 | 2001-05-29 | Hitachi Cable Ltd | 超極細銅合金線材及びその製造方法 |
US7131308B2 (en) * | 2004-02-13 | 2006-11-07 | 3M Innovative Properties Company | Method for making metal cladded metal matrix composite wire |
JP5306591B2 (ja) * | 2005-12-07 | 2013-10-02 | 古河電気工業株式会社 | 配線用電線導体、配線用電線、及びそれらの製造方法 |
-
2005
- 2005-12-20 DE DE102005060809A patent/DE102005060809B3/de not_active Expired - Fee Related
-
2006
- 2006-12-18 JP JP2008546214A patent/JP2009520332A/ja active Pending
- 2006-12-18 CA CA002633469A patent/CA2633469A1/en not_active Abandoned
- 2006-12-18 RU RU2008129369/02A patent/RU2008129369A/ru not_active Application Discontinuation
- 2006-12-18 SI SI200630364T patent/SI1973677T1/sl unknown
- 2006-12-18 PT PT06841009T patent/PT1973677E/pt unknown
- 2006-12-18 EP EP06841009A patent/EP1973677B1/de not_active Not-in-force
- 2006-12-18 WO PCT/EP2006/012177 patent/WO2007071355A1/de active Application Filing
- 2006-12-18 PL PL06841009T patent/PL1973677T3/pl unknown
- 2006-12-18 KR KR1020087014903A patent/KR20080090398A/ko not_active Application Discontinuation
- 2006-12-18 US US12/158,406 patent/US7786387B2/en not_active Expired - Fee Related
- 2006-12-18 ES ES06841009T patent/ES2326552T3/es active Active
- 2006-12-18 AU AU2006329004A patent/AU2006329004A1/en not_active Abandoned
- 2006-12-18 DE DE502006003916T patent/DE502006003916D1/de active Active
- 2006-12-18 DK DK06841009T patent/DK1973677T3/da active
- 2006-12-18 AT AT06841009T patent/ATE432780T1/de not_active IP Right Cessation
- 2006-12-18 CN CN2006800479132A patent/CN101340987B/zh not_active Expired - Fee Related
-
2008
- 2008-06-17 ZA ZA200805250A patent/ZA200805250B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
ZA200805250B (en) | 2009-11-25 |
PL1973677T3 (pl) | 2009-11-30 |
ATE432780T1 (de) | 2009-06-15 |
ES2326552T3 (es) | 2009-10-14 |
EP1973677A1 (de) | 2008-10-01 |
DE102005060809B3 (de) | 2007-09-20 |
DE502006003916D1 (de) | 2009-07-16 |
CN101340987A (zh) | 2009-01-07 |
PT1973677E (pt) | 2009-07-29 |
SI1973677T1 (sl) | 2009-12-31 |
CA2633469A1 (en) | 2007-06-28 |
WO2007071355A1 (de) | 2007-06-28 |
RU2008129369A (ru) | 2010-01-27 |
DK1973677T3 (da) | 2009-09-07 |
KR20080090398A (ko) | 2008-10-08 |
JP2009520332A (ja) | 2009-05-21 |
AU2006329004A1 (en) | 2007-06-28 |
US7786387B2 (en) | 2010-08-31 |
US20090075117A1 (en) | 2009-03-19 |
CN101340987B (zh) | 2012-07-25 |
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