CN109003743A - A kind of production method of the superfine conductor of continuous copper alloy - Google Patents
A kind of production method of the superfine conductor of continuous copper alloy Download PDFInfo
- Publication number
- CN109003743A CN109003743A CN201810824296.7A CN201810824296A CN109003743A CN 109003743 A CN109003743 A CN 109003743A CN 201810824296 A CN201810824296 A CN 201810824296A CN 109003743 A CN109003743 A CN 109003743A
- Authority
- CN
- China
- Prior art keywords
- copper alloy
- continuous
- monofilament
- oxygenless
- conductor
- 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.)
- Pending
Links
- 229910000881 Cu alloy Inorganic materials 0.000 title claims abstract description 62
- 239000004020 conductor Substances 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 239000000956 alloy Substances 0.000 claims abstract description 5
- 238000010622 cold drawing Methods 0.000 claims abstract description 5
- 238000005097 cold rolling Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 4
- 238000007731 hot pressing Methods 0.000 abstract description 2
- 238000009776 industrial production Methods 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 5
- 238000005275 alloying Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Conductive Materials (AREA)
Abstract
The invention discloses a kind of production methods of continuous superfine conductor of copper alloy, comprising: the oxygenless copper alloy bar that will acquire is preheated to preset preheating temperature；The oxygenless copper alloy bar for being up to preheating temperature carries out the processing of continuous hot-press tube reducing；To obtaining copper alloy filament monofilament after continuous hot-press tube reducing treated oxygenless copper alloy bar carries out continuous cold rolling or drawing；Copper alloy filament monofilament is subjected to micro- drawing monofilament processing and forms the superfine conductor of continuous copper alloy.The simple production process of the production method of the superfine conductor of copper alloy provided by the invention is reliable, Cu alloy material is carried out by continuous hot pressing tube reducing continuously largely to deform and recrystallize, form fine grained texture, obtained conductor material has good intensity and fatigue-resistance characteristics, realizes a kind of low-cost industrial production technology with the superfine conductor of nano fibrous tissue copper alloy.
Description
Technical field
The present invention relates to technical field of alloy more particularly to a kind of production methods of the superfine conductor of continuous copper alloy.
Background technique
The superfine conductor diameter of copper alloy is generally less than 1mm, and especially superfine conductor diameter is smaller than 0.05mm, is widely used in
The industries such as wire and cable, power electronics.In fields such as chip package, special cables, superfine monofilament helps to reduce chip package
Volume, or facilitate to be promoted the fatigue durability of cable after being twisted.Fine copper filament is easy to soften in the case of a high temperature, using copper
Alloy material can effectively improve wire rod heat-resisting quantity and intensity.In the industrial production, there is a large amount of mobile electrical equipment example
Such as robot bracket, cable therein must have good fatigue-resistance characteristics and intensity, and otherwise cable fracture easily causes to give birth to
Production accident.Therefore the fatigue-resistance characteristics of the superfine conductor of copper alloy are improved and intensity is of great significance in production practice.
Summary of the invention
The embodiment of the present invention provides a kind of production method of superfine conductor of continuous copper alloy, deposits in the prior art to solve
The superfine conductor of copper alloy fatigue-resistance characteristics and the inadequate problem of intensity.
In a first aspect, the embodiment of the present invention provides a kind of production method of superfine conductor of continuous copper alloy, comprising:
The oxygenless copper alloy bar that will acquire is preheated to preset preheating temperature；
The oxygenless copper alloy bar for being up to the preheating temperature carries out the processing of continuous hot-press tube reducing；
To by the continuous hot-press tube reducing, treated obtains after the oxygenless copper alloy bar carries out continuous cold rolling or drawing
Obtain copper alloy filament monofilament；
The copper alloy filament monofilament is subjected to micro- drawing monofilament processing and forms the superfine conductor of continuous copper alloy.
Optionally, the oxygen content of the oxygenless copper alloy bar is less than 10ppm, and impurity summation is no more than the oxygenless copper alloy
The 0.05% of bar total weight.
Optionally, the preheating temperature is 500-900 degrees Celsius.
Optionally, the mode of the continuous hot-press tube reducing processing includes such as one of under type:
Continuous hot-swage is carried out using continuous swager；Or
Continuous Heat rotation is carried out using continuous Rotary rolling mill to roll.
Optionally, described to carry out the copper alloy filament monofilament to remove the copper alloy filament list when micro- drawing monofilament is handled
The stress of silk.
Optionally, the diameter of the copper alloy filament monofilament is not more than 4mm.
Optionally, the heterogeneous microstructure of the superfine conductor of continuous copper alloy is that transversal cross-section average grain size is little
In 2 μm of fibrous crystal, and tensile strength is greater than 500Mpa.
The invention has the benefit that
The simple production process of the production method of the superfine conductor of continuous copper alloy provided by the invention is reliable, by continuous
Hot pressing tube reducing carries out Cu alloy material and continuously largely deforms and recrystallize, and forms fine grained texture, and obtained conductor material has
Good intensity and fatigue-resistance characteristics realize a kind of low-cost industrial with the superfine conductor of nano fibrous tissue copper alloy
Production technology.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects of the present invention, feature and advantage can
It is clearer and more comprehensible, the followings are specific embodiments of the present invention.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is the flow chart of the production method for the superfine conductor of continuous copper alloy that first embodiment of the invention provides.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
First embodiment of the invention provides a kind of production method of superfine conductor of continuous copper alloy, as shown in Figure 1, include with
Lower specific steps:
Step S101, the oxygenless copper alloy bar that will acquire are preheated to preset preheating temperature；In alternative embodiment of the present invention,
Preheating temperature is 500-900 degrees Celsius, and the oxygenless copper alloy bar of acquisition, oxygen content is less than 10ppm, removes necessary alloying component
Outside, other impurities summation is no more than the 0.05% of oxygenless copper alloy bar total weight.
Step S102, the oxygenless copper alloy bar for being up to preheating temperature carries out the processing of continuous hot-press tube reducing, at this point, material becomes
Form quotient is 10%-99%；In alternative embodiment of the present invention, the mode of continuous hot-press tube reducing processing includes such as one under type
Kind: continuous hot-swage is carried out using continuous swager；Or Continuous Heat rotation is carried out using continuous Rotary rolling mill and is rolled.Those skilled in the art
Suitable continuous hot-press tube reducing processing mode can be selected according to Practical Project situation, the present invention does not do unique restriction herein.
Step S103, to treated that the oxygenless copper alloy bar carries out continuous cold rolling or drawing by continuous hot-press tube reducing
Copper alloy filament monofilament is obtained afterwards；Specifically, continuously swaging to process in alternative embodiment of the present invention or Continuous Heat rotation being rolled
The oxygenless copper alloy bar of processing carries out multi-pass continuous cold rolling or drawing, and material deflection is 30%-90%, and then forms diameter
Copper alloy filament monofilament no more than 4mm.
Copper alloy filament monofilament is carried out micro- drawing monofilament processing and forms the superfine conductor of continuous copper alloy by step S104.It is optional
, multi-pass removes the stress of copper alloy filament monofilament when copper alloy filament monofilament is carried out micro- drawing monofilament processing.
Optionally, the heterogeneous microstructure of the superfine conductor of continuous copper alloy is that transversal cross-section average grain size is not more than 2 μ
The fibrous crystal of m, and tensile strength is greater than 500Mpa, i.e., the tensile strength of the continuous superfine conductor of copper alloy reaches 500Mpa or more.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (7)
1. a kind of production method of the superfine conductor of continuous copper alloy characterized by comprising
The oxygenless copper alloy bar that will acquire is preheated to preset preheating temperature；
The oxygenless copper alloy bar for being up to the preheating temperature carries out the processing of continuous hot-press tube reducing；
To by the continuous hot-press tube reducing, treated obtains copper after the oxygenless copper alloy bar carries out continuous cold rolling or drawing
Alloy filament monofilament；
The copper alloy filament monofilament is subjected to micro- drawing monofilament processing and forms the superfine conductor of continuous copper alloy.
2. the method as described in claim 1, which is characterized in that the oxygen content of the oxygenless copper alloy bar is less than 10ppm, impurity
Summation is no more than the 0.05% of the oxygenless copper alloy bar total weight.
3. the method as described in claim 1, which is characterized in that the preheating temperature is 500-900 degrees Celsius.
4. the method as described in claim 1, which is characterized in that the mode of the continuous hot-press tube reducing processing includes such as under type
One of:
Continuous hot-swage is carried out using continuous swager；Or
Continuous Heat rotation is carried out using continuous Rotary rolling mill to roll.
5. the method as described in claim 1, which is characterized in that described to carry out the copper alloy filament monofilament at micro- drawing monofilament
The stress of the copper alloy filament monofilament is removed when reason.
6. the method as described in claim 1, which is characterized in that the diameter of the copper alloy filament monofilament is not more than 4mm.
7. the method as described in claim 1, which is characterized in that the heterogeneous microstructure of the continuous superfine conductor of copper alloy is
Transversal cross-section average grain size is not more than 2 μm of fibrous crystal, and tensile strength is greater than 500Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810824296.7A CN109003743A (en) | 2018-07-25 | 2018-07-25 | A kind of production method of the superfine conductor of continuous copper alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810824296.7A CN109003743A (en) | 2018-07-25 | 2018-07-25 | A kind of production method of the superfine conductor of continuous copper alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109003743A true CN109003743A (en) | 2018-12-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810824296.7A Pending CN109003743A (en) | 2018-07-25 | 2018-07-25 | A kind of production method of the superfine conductor of continuous copper alloy |
Country Status (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111508661A (en) * | 2019-12-30 | 2020-08-07 | 南京理工大学 | Device and method for preparing heterogeneous copper conductor |
| CN113549850A (en) * | 2021-06-08 | 2021-10-26 | 湖州金钛导体技术有限公司 | Machining system and machining method for metal rod blank |
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| JPH04254559A (en) * | 1991-02-06 | 1992-09-09 | Furukawa Electric Co Ltd:The | Production of extremely fine wire |
| JPH11293431A (en) * | 1998-04-13 | 1999-10-26 | Furukawa Electric Co Ltd:The | Production of copper alloy extra fine wire |
| CN1398688A (en) * | 2002-04-12 | 2003-02-26 | 北京科技大学 | Prepn process of superfine oxygen-free copper wire |
| CN1562514A (en) * | 2004-03-18 | 2005-01-12 | 上海交通大学 | Method for preparing superfine filament from metal and alloy material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111508661A (en) * | 2019-12-30 | 2020-08-07 | 南京理工大学 | Device and method for preparing heterogeneous copper conductor |
| CN113549850A (en) * | 2021-06-08 | 2021-10-26 | 湖州金钛导体技术有限公司 | Machining system and machining method for metal rod blank |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200515 Address after: 313100 Changxing District Green Intelligent Manufacturing Industrial Park, Nanhu Lake industrial cluster, Changxing County, Huzhou City, Zhejiang Province Applicant after: Huzhou Gold Titanium conductor Technology Co., Ltd Address before: Weibin District of Xinxiang City, 453000 East Room No. 27 in Henan Province Applicant before: Wang Wenfang |
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