CN105118570A - Copper bar manufacturing process - Google Patents
Copper bar manufacturing process Download PDFInfo
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- CN105118570A CN105118570A CN201510497195.XA CN201510497195A CN105118570A CN 105118570 A CN105118570 A CN 105118570A CN 201510497195 A CN201510497195 A CN 201510497195A CN 105118570 A CN105118570 A CN 105118570A
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- copper bar
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Abstract
The invention provides a copper bar manufacturing process which comprises the steps of (1) casting copper alloy into a copper bar, (2) carrying out heating or heat equalization process on the copper bar, (3) carrying out differential friction hot rolling process on the copper bar, (4) carrying out cold rolling processing on the copper bar, (5) carrying out intermediate annealing treatment, (6) implementing melting processing, (7) carrying out differential friction cold rolling process. Upper and low rollers with different surface roughness are used to carry out differential friction cold rolling. The copper bar manufacturing process has the advantage that the copper bar manufactured by the process has the advantages of good electrical and thermal conductivity, corrosion resistance, good elasticity, and long service life.
Description
Technical field
The present invention relates to a kind of copper bar manufacturing process.
Background technology
In recent years, the miniaturization of electronic instrument and light-weighted requirement improve, electrically, the miniaturization of electronic unit and lightweight development.Low back, the thin space of bonder terminal are developed, and consequently, require to have higher intensity and more excellent bendability to the copper alloy plate that these bonder terminals use.Need high strength and the copper alloy plate of the bendability of excellence widely uses beryllium copper at present, but beryllium copper is very expensive, and metallic beryllium there is stronger toxicity.Therefore, the instead alloy of these materials, the use amount of corson alloy (Cu-Ni-Si) constantly increases.
Corson alloy is the alloy that the solid solution limit of nickel silicide compounds (Ni2Si) to copper changes along with temperature, and be the precipitation curing type alloy solidified by Precipitation process, its thermal endurance, conductance, intensity are good.But for this corson alloy, if improve the intensity of copper alloy plate, then conductivity or bendability reduce.That is, in the corson alloy of high strength, Problems existing is, has good conductance and bendability is very difficult.
Traditional copper bar is oxidizable in its course of work, and useful life is not long, and elasticity is bad, can not meet industrial requirements, and the technology being therefore badly in need of a kind of improvement solves above-mentioned technological deficiency.
Summary of the invention
A kind of copper bar manufacturing process, comprises the following steps:
(1) copper alloy is cast as copper bar;
(2) copper bar is carried out heat or heat uniforming process;
(3) copper bar is carried out different friction hot rolling process;
(4) copper bar is carried out cold-rolling treatment;
(5) intermediate annealing process is carried out;
(6) melt process is implemented;
(7) different friction cold-rolling treatment is carried out.
The up-down rollers that described different friction cold rolling use surface roughness is different is carried out.
The invention has the beneficial effects as follows: the copper bar manufactured by present invention process has good electrical and thermal conductivity, corrosion resistance, elasticity is better, long service life.
Embodiment
A kind of copper bar manufacturing process, comprises the following steps: copper alloy is cast as copper bar by (1); (2) copper bar is carried out heat or heat uniforming process; (3) copper bar is carried out different friction hot rolling process; (4) copper bar is carried out cold-rolling treatment; (5) intermediate annealing process is carried out; (6) melt process is implemented; (7) different friction cold-rolling treatment is carried out.The up-down rollers that different friction cold rolling use surface roughness is different is carried out.Copper bar manufactured by present invention process has good electrical and thermal conductivity, corrosion resistance, and elasticity is better, long service life.
Claims (2)
1. a copper bar manufacturing process, is characterized in that: comprise the following steps:
(1) copper alloy is cast as copper bar;
(2) copper bar is carried out heat or heat uniforming process;
(3) copper bar is carried out different friction hot rolling process;
(4) copper bar is carried out cold-rolling treatment;
(5) intermediate annealing process is carried out;
(6) melt process is implemented;
(7) different friction cold-rolling treatment is carried out.
2. a kind of copper bar manufacturing process according to claim 1, is characterized in that: the up-down rollers that described different friction cold rolling use surface roughness is different is carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510497195.XA CN105118570A (en) | 2015-08-14 | 2015-08-14 | Copper bar manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510497195.XA CN105118570A (en) | 2015-08-14 | 2015-08-14 | Copper bar manufacturing process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105118570A true CN105118570A (en) | 2015-12-02 |
Family
ID=54666530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510497195.XA Pending CN105118570A (en) | 2015-08-14 | 2015-08-14 | Copper bar manufacturing process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105118570A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003277853A (en) * | 2002-03-26 | 2003-10-02 | Dowa Mining Co Ltd | Copper alloy for heat spreader |
| CN101824560A (en) * | 2009-03-05 | 2010-09-08 | 日立电线株式会社 | Copper alloy material and a method for fabricating the same |
| CN102639732A (en) * | 2009-12-02 | 2012-08-15 | 古河电气工业株式会社 | Copper alloy sheet |
-
2015
- 2015-08-14 CN CN201510497195.XA patent/CN105118570A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003277853A (en) * | 2002-03-26 | 2003-10-02 | Dowa Mining Co Ltd | Copper alloy for heat spreader |
| CN101824560A (en) * | 2009-03-05 | 2010-09-08 | 日立电线株式会社 | Copper alloy material and a method for fabricating the same |
| CN102639732A (en) * | 2009-12-02 | 2012-08-15 | 古河电气工业株式会社 | Copper alloy sheet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151202 |
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| WD01 | Invention patent application deemed withdrawn after publication |