CN102063968A - Method for processing bimetallic conducting bar - Google Patents
Method for processing bimetallic conducting bar Download PDFInfo
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- CN102063968A CN102063968A CN 201010575047 CN201010575047A CN102063968A CN 102063968 A CN102063968 A CN 102063968A CN 201010575047 CN201010575047 CN 201010575047 CN 201010575047 A CN201010575047 A CN 201010575047A CN 102063968 A CN102063968 A CN 102063968A
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- bimetallic
- metal material
- bimetallic busbar
- plug
- busbar
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Abstract
The invention relates to a method for processing a bimetallic conducting bar. The bimetallic conducting bar comprises a core rod and outer skin coated on the outer side of the core rod, wherein the core rod is made of a first metal material and the outer skin is made of a second metal material. The method comprises the following steps of: A. selecting a core rod, polishing, and removing oil stains and oxide skin from the outer surface of the core rod; B. loading the second metal material in an extruder and heating to a set temperature so that the second metal material is in the semi-solid state; C. delivering the core rod in the extruder, extruding the second metal material onto the outer side of the core rod evenly to form the outer skin so as to obtain a blank of the bimetallic conducting bar; D. performing forming stretch for the blank of the bimetallic conducting bar to obtain the bimetallic conducting bar with set specification; and E. carrying out vacuum bright annealing processing on the bimetallic conducting bar. The invention has the advantages of processing the bimetallic conducting bar by using an extrusion molding method without rolling many times and achieving high processing efficiency and less energy consumption.
Description
Technical field
The invention belongs to power transmission and distribution and use the material field, particularly a kind of processing method of bimetallic busbar.
Background technology
In the prior art, the coating method is normally adopted in the processing of bimetallic busbar, utilize metal sheath to be coated on mandrel surface, form bimetallic busbar base just by the docking port welding, and then by drawing and rolling repeatedly, final processing obtains the busbar finished product, and this production method noise is very big, working (machining) efficiency is low, and power consumption is very high.
Summary of the invention
The high-efficiency machining method that the purpose of this invention is to provide a kind of bimetallic busbar.
For achieving the above object, the technical solution used in the present invention is: a kind of processing method of bimetallic busbar, the crust that described bimetallic busbar comprises plug and is coated on the described plug outside, described plug is made of first metal material, described crust is made of second metal material, and it comprises the steps:
A), select plug, described plug is polished, remove oil stain and oxide skin on the outer surface of described plug;
B), with pack into extruder and be heated to design temperature of described second metal material, make the state of described second metal material become semisolid;
C), described plug is sent into extruder, the outside that described second metal material is squeezed in described plug equably forms described crust, obtains the first base of bimetallic busbar;
D), to the stretching of finalizing the design of the first base of described bimetallic busbar, obtain setting the metallic conduction row of specification;
E), described bimetallic busbar being carried out the vacuum bright annealing handles.
The present invention's technical scheme further is: after described E step, described bimetallic busbar is stretched.
Further, after described bimetallic busbar is stretched, described bimetallic busbar is carried out finishing.
Further, in described B step, described design temperature is between the liquidus temperature of the solidus temperature of described second metal material and second metal material.
Preferably, described first metal material is a steel, and described second metal material is a copper.
Further, in described B step, described design temperature is between 1065～1083 degrees centigrade.
Further, in the described E step, described bimetallic busbar is heated to 550～600 degrees centigrade, is incubated 0.5～4.0 hour.
Because technique scheme utilization, the present invention compared with prior art has following advantage and effect: advantage of the present invention is to adopt extrusion process processing bimetallic busbar, busbar can machine through an extrusion modling, do not need through repeatedly rolling, therefore the working (machining) efficiency height consumes energy and lacks.Adopt extrusion machine-shaping, make the first base of busbar produce directed plastic deformation, and extrude from the nib of extrusion die, temperature is higher in the extrusion process, therefore can make the crystallization again of organizing of plug and outer intracutaneous, thereby the plug of busbar is combined with crust formation excellent metallurgical.
Embodiment
The example that is processed as with the copper covered steel busbar in the present embodiment illustrates implementation step of the present invention, the crust that described bimetallic busbar comprises plug and is coated on the described plug outside, first metal material is the Q195 steel in the present embodiment, and second metal material is a T2 copper.
A kind of processing method of bimetallic busbar, it comprises the steps:
A), select plug, plug is polished, remove lip-deep oil stain of described mandrel outer and oxide skin, thereby make the better combination of crust and plug combination;
B), copper material is packed into extruder, be heated to 1070 degrees centigrade and keep a period of time, make the state of described copper material become semisolid between solid-state and molten state, the liquidus temperature of copper is 1083 ℃, solidus temperature is 1065 ℃, and the arbitrary temp between selecting 1065～1083 ℃ can;
C), described plug is sent into extruder, described second metal material is squeezed in the outside of described plug equably, the cooling back forms described crust, thereby obtains the first base of bimetallic busbar;
D), to the stretching of finalizing the design of the first base of described bimetallic busbar, obtain setting the metallic conduction row of specification;
E), described bimetallic busbar carried out the vacuum bright annealing handle, annealing temperature is 550～600 degrees centigrade, annealing time is 4 hours;
F), according to the application need of bimetallic busbar, whether decision stretches once more to described bimetallic busbar;
G), at last, finishing obtains finished product to described bimetallic busbar.
Adopt the semisolid extruding formation method that the crust of bimetallic busbar and plug are combined in the present embodiment, its basic principle is: the semi solid slurry or the blank that obtain to have non-tree-crystal shape tissue by methods such as stirring or heating near the liquidus temperature of metal, and pass through pressing mode, make its solidification forming in difform die cavity, because the process of experience recrystallization, therefore the crust and the plug that push the bimetallic material that obtains can form the excellent metallurgical combination, and the extrinsion pressing benefit is that also the distortion of materials drag is little, easy deformation can improve the dimensional accuracy and the surface quality of extrusion.
The present invention not only is applicable to the production of copper covered steel busbar, equally also be applicable to the production of other bimetallic busbars, only need select the temperature of suitable hot extrusion to get final product, such as all right worked copper clad aluminum busbar of the present invention according to the difference of institute's rapidoprint, hot extrusion temperature-resistant, cooled and solidified when copper material is squeezed in the aluminium plug outside because the fusing point of aluminium is lower, therefore can make the fusion of part aluminium plug, thereby make two kinds of metal material crystallizations together, therefore in conjunction with better effects if.Bimetallic busbar of the present invention once obtains by extrusion modling, thus in production efficiency and the prior art through repeatedly stretching and the rolling height of comparing.In addition, adopt extrusion production, can make busbar interior metal interface reach metallurgical binding, help improving the mechanical performance of busbar.
The foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (7)
1. the processing method of a bimetallic busbar, the crust that described bimetallic busbar comprises plug and is coated on the described plug outside, described plug is made of first metal material, and described crust is made of second metal material, it is characterized in that: it comprises the steps:
A), select plug, described plug is polished, remove oil stain and oxide skin on the outer surface of described plug;
B), with pack into extruder and be heated to design temperature of described second metal material, make the state of described second metal material become semisolid;
C), described plug is sent into extruder, the outside that described second metal material is squeezed in described plug equably forms described crust, obtains the first base of bimetallic busbar;
D), to the stretching of finalizing the design of the first base of described bimetallic busbar, obtain setting the metallic conduction row of specification;
E), described bimetallic busbar being carried out the vacuum bright annealing handles.
2. the processing method of bimetallic busbar according to claim 1 is characterized in that: after described E step, described bimetallic busbar is stretched.
3. the processing method of bimetallic busbar according to claim 2 is characterized in that: after described bimetallic busbar is stretched, described bimetallic busbar is carried out finishing.
4. the processing method of bimetallic busbar according to claim 1 is characterized in that: in described B step, described design temperature is between the liquidus temperature of the solidus temperature of described second metal material and second metal material.
5. the processing method of bimetallic busbar according to claim 1 is characterized in that: described first metal material is a steel, and described second metal material is a copper.
6. the processing method of bimetallic busbar according to claim 5 is characterized in that: in described B step, described design temperature is between 1065～1083 degrees centigrade.
7. the processing method of bimetallic busbar according to claim 5 is characterized in that: in the described E step, described bimetallic busbar is heated to 550～600 degrees centigrade, is incubated 0.5～4.0 hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010575047 CN102063968A (en) | 2010-11-30 | 2010-11-30 | Method for processing bimetallic conducting bar |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010575047 CN102063968A (en) | 2010-11-30 | 2010-11-30 | Method for processing bimetallic conducting bar |
Publications (1)
| Publication Number | Publication Date |
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| CN102063968A true CN102063968A (en) | 2011-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010575047 Pending CN102063968A (en) | 2010-11-30 | 2010-11-30 | Method for processing bimetallic conducting bar |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1298186A (en) * | 2000-12-02 | 2001-06-06 | 常州吉星电子器材有限公司 | Coating process of high-conductivity steel-in-copper composite wire |
| CN101071662A (en) * | 2007-06-04 | 2007-11-14 | 傅氏国际（大连）双金属线缆有限公司 | Copper cladding aluminium wire, copper cladding aluminium pipe production process and its equipment |
| KR100791702B1 (en) * | 2007-02-13 | 2008-01-04 | 엘에스전선 주식회사 | Manufacturing methods of copper cladded aluminum wire |
| CN101123129A (en) * | 2007-09-11 | 2008-02-13 | 丹阳市中信化工电器设备有限公司 | A production method for copper-coated aluminum material |
| CN101577150A (en) * | 2009-06-10 | 2009-11-11 | 张家港市盛天金属线有限公司 | Process for semi-solid state continuous forming of heavy cross section conducting copper-clad aluminum wire |
| CN101665966A (en) * | 2009-09-25 | 2010-03-10 | 江苏广庆电子材料有限公司（中外合资） | Electroplating preparation method of copper-clad aluminium bars |
| CN101763916A (en) * | 2009-12-30 | 2010-06-30 | 甘肃天拓冶金科技有限公司 | Production method for copper-clad steel double-metal wire |
-
2010
- 2010-11-30 CN CN 201010575047 patent/CN102063968A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1298186A (en) * | 2000-12-02 | 2001-06-06 | 常州吉星电子器材有限公司 | Coating process of high-conductivity steel-in-copper composite wire |
| KR100791702B1 (en) * | 2007-02-13 | 2008-01-04 | 엘에스전선 주식회사 | Manufacturing methods of copper cladded aluminum wire |
| CN101071662A (en) * | 2007-06-04 | 2007-11-14 | 傅氏国际（大连）双金属线缆有限公司 | Copper cladding aluminium wire, copper cladding aluminium pipe production process and its equipment |
| CN101123129A (en) * | 2007-09-11 | 2008-02-13 | 丹阳市中信化工电器设备有限公司 | A production method for copper-coated aluminum material |
| CN101577150A (en) * | 2009-06-10 | 2009-11-11 | 张家港市盛天金属线有限公司 | Process for semi-solid state continuous forming of heavy cross section conducting copper-clad aluminum wire |
| CN101665966A (en) * | 2009-09-25 | 2010-03-10 | 江苏广庆电子材料有限公司（中外合资） | Electroplating preparation method of copper-clad aluminium bars |
| CN101763916A (en) * | 2009-12-30 | 2010-06-30 | 甘肃天拓冶金科技有限公司 | Production method for copper-clad steel double-metal wire |
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Application publication date: 20110518 |