CN107350299B - A kind of monocrystalline conductive copper bus-bar extrusion forming processing method - Google Patents
A kind of monocrystalline conductive copper bus-bar extrusion forming processing method Download PDFInfo
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- CN107350299B CN107350299B CN201710642921.1A CN201710642921A CN107350299B CN 107350299 B CN107350299 B CN 107350299B CN 201710642921 A CN201710642921 A CN 201710642921A CN 107350299 B CN107350299 B CN 107350299B
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- bar
- conductive copper
- monocrystalline conductive
- monocrystalline
- copper bus
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- 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
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
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- 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
- B21C23/32—Lubrication of metal being extruded or of dies, or the like, e.g. physical state of lubricant, location where lubricant is applied
-
- 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
- B21C29/00—Cooling or heating work or parts of the extrusion press; Gas treatment of work
- B21C29/003—Cooling or heating of work
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- Lubricants (AREA)
- Manufacture Of Switches (AREA)
- Conductive Materials (AREA)
Abstract
The invention discloses a kind of monocrystalline conductive copper bus-bar extrusion forming processing methods, the following steps are included: in the anti-oxidant lubricating oil of surface even spread of monocrystalline conductive copper bar, the monocrystalline conductive copper bar for being coated with the anti-oxidant lubricating oil is sent in preheating cavity, is heated to 350~380 degrees Celsius with the heating rate per second for being not more than 20 degrees Celsius；Make monocrystalline conductive copper bar by continuously extruding and molding mold to which monocrystalline conductive copper bus-bar is made in moulding by continuously extruding and molding head；It is immersed in the anti-oxidant lubricating oil and is cooled to 40 degrees Celsius hereinafter, then removing the anti-oxidant lubricating oil wiping, then wipe the surface of monocrystalline conductive copper bus-bar with a small amount of industrial alcohol；The straightening roll being collinearly arranged by several is aligned again and draws monocrystalline conductive copper bus-bar, then cuts monocrystalline conductive copper bus-bar and carries out bundled packing.The present invention will not destroy the inherent structure of monocrystalline conduction copper material, be suitable for processing monocrystalline conductive copper bus-bar by extrusion forming process.
Description
Technical field
The present invention relates to a kind of Copper fabrication technology field, especially a kind of monocrystalline conductive copper bus-bar extrusion forming processing
Method.
Background technique
Monocrystalline conduction copper material is a kind of novel conductor material for polycrystalline conduction copper material, due in metallic microscopic
Transverse grain boundaries are eliminated in structure, so as to improve the electric conductivity of conductive copper material and the fidelity of signal transmitting significantly；
In terms of specifically extensibility and electric conductivity, monocrystalline conduction copper material can increase by 60% compared to polycrystalline conduction copper material bar, elongation percentage
~80%, resistivity can reduce by 15%~20%, can be widely applied to the e-mails manner of breathing such as audio and video equipment, high-definition television
Pass field；The side that the production of monocrystalline conduction copper material is mainly combined using directional solidification technique and continuously casting technology in technique
Method.
Continuous extrusion of copper strip forming technique be based on continual extruding technology and grow up it is continuously extruded it is compound, even
It is continuous to cast the technology of squeezing, conventional polycrystalline conduction copper material extrusion forming operation process are as follows: copper material upper lead conticaster is utilized into electrolysis first
Copper continuous fusion-cast produces the oxygen-free copper bar uncoiling aligning of the length light of different size, is then fed into extrusion forming head and passes through
Then extrusion process is wound into a roll packing by winding apparatus at the oxygen-free copper profile of specific standard and the long length of shape light
It puts；Or by copper material extrusion forming turned off in synchronization device by the oxygen-free copper section steel cutting after extrusion forming at full-length
Then pole stock be packaged shipment storage bundledly.In order to avoid destroying the inherent structure of monocrystalline conduction copper material, for being suitable for
The extrusion forming process needs of conventional polycrystalline conduction copper material, which are made, further to be improved.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of monocrystalline conductive copper bus-bar extrusion forming processing sides
Method can satisfy actual production requirement.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of monocrystalline conductive copper bus-bar extrusion forming processing method, monocrystalline conductive copper bus-bar include the member of following percentage composition
Element: antimony 0.15%~1.20%, beryllium 0.66%~0.78%, aluminium 0.78%~1.01%, europium 0.02%~0.04%, surplus are copper；And it wraps
Include following steps:
Step 1: in the anti-oxidant lubricating oil of surface even spread of monocrystalline conductive copper bar, the anti-oxidant lubricating oil includes
The component of following mass fraction: 8~12 parts of graphite, 4~7 parts of triethanolamine, 9~15 parts of cellulose, 5~11 parts of sebacic acid, right
4~8 parts of hydroxyphenylmethyl aldehyde, 40~60 parts of high temperature butter；
Step 2: the monocrystalline conductive copper bar for being coated with the anti-oxidant lubricating oil is sent in preheating cavity, with it is per second not
Heating rate greater than 20 degrees Celsius is heated to 350~380 degrees Celsius；
Step 3: the monocrystalline conductive copper bar after preheating is delivered in continuously extruding and molding head, by being continuously extruded into
Extruding wheel in type head squeezes push monocrystalline conductive copper bar, and monocrystalline conductive copper bar rubs heated in continuously extruding and molding head
Mobility is improved, then makes monocrystalline conductive copper bar by continuously extruding and molding mold to which monocrystalline conductive copper bus-bar is made in moulding；
Step 4: the monocrystalline conductive copper bus-bar of continuously extruding and molding to be immersed in the anti-oxidant lubrication in step 1
Oil removes until being cooled to 40 degrees Celsius hereinafter, then wiping the anti-oxidant lubricating oil on monocrystalline conductive copper bus-bar surface,
Again with the surface of a small amount of industrial alcohol wiping monocrystalline conductive copper bus-bar；
Step 5: align and draw monocrystalline conductive copper bus-bar by several straightening rolls being collinearly arranged, then by
Line locking cutting setting carries out cutting section to the monocrystalline conductive copper bus-bar of fixed length, then by the monocrystalline conductive copper bus-bar after cutting
Carry out bundled packing.
As a further improvement of the above technical scheme, monocrystalline conductive copper bus-bar includes the element of following percentage composition: antimony
0.21%, beryllium 0.72%, aluminium 0.87%, europium 0.02%, surplus is copper.
As a further improvement of the above technical scheme, the anti-oxidant lubricating oil includes the component of following mass fraction:
9 parts of graphite, 6 parts of triethanolamine, 13 parts of cellulose, 7 parts of sebacic acid, 5 parts of p-hydroxy benzaldehyde, 50 parts of high temperature butter.
As a further improvement of the above technical scheme, monocrystalline conductive copper bar is controlled in step 3 in continuously extruding and molding machine
Maximum temperature in head is not more than 610 degrees Celsius.
As a further improvement of the above technical scheme, in step 4, for cooling down the described anti-of monocrystalline conductive copper bus-bar
Several cooling copper tubes are provided in oxidation lubricant, cooling water flows through several cooling copper tubes to indirectly to described anti-oxidant
Lubricating oil is cooled down.
Compared with prior art, the beneficial effects of the present invention are:
A kind of monocrystalline conductive copper bus-bar extrusion forming processing method provided by the present invention, will not destroy monocrystalline conduction copper material
Inherent structure, be suitable for by extrusion forming process processing monocrystalline conductive copper bus-bar, the monocrystalline conductive copper prepared
Busbar is compared with the polycrystalline conductive copper bus-bar of same specification in the prior art, and resistivity can reduce by 15%~20%, can be answered extensively
For the electronic information related fields such as audio and video equipment, high-definition television.
Specific embodiment
Carry out the technology contents that present invention be described in more detail below in conjunction with specific embodiments.
Specific embodiment 1
A kind of monocrystalline conductive copper bus-bar extrusion forming processing method, monocrystalline conductive copper bus-bar provided by the present embodiment include
The element of following percentage composition: antimony 0.15%, beryllium 0.78%, aluminium 1.01%, europium 0.04%, surplus are copper；And the following steps are included:
Step 1: in the anti-oxidant lubricating oil of surface even spread of monocrystalline conductive copper bar, the anti-oxidant lubricating oil includes
The component of following mass fraction: 12 parts of graphite, 4 parts of triethanolamine, 9 parts of cellulose, 11 parts of sebacic acid, p-hydroxy benzaldehyde 8
Part, 60 parts of high temperature butter.
Step 2: the monocrystalline conductive copper bar for being coated with the anti-oxidant lubricating oil is sent in preheating cavity, with it is per second not
Heating rate greater than 20 degrees Celsius is heated to 350~380 degrees Celsius.
Step 3: the monocrystalline conductive copper bar after preheating is delivered in continuously extruding and molding head, by being continuously extruded into
Extruding wheel in type head squeezes push monocrystalline conductive copper bar, and monocrystalline conductive copper bar rubs heated in continuously extruding and molding head
Mobility is improved, then makes monocrystalline conductive copper bar by continuously extruding and molding mold to which monocrystalline conductive copper bus-bar is made in moulding；
It controls maximum temperature of the monocrystalline conductive copper bar in continuously extruding and molding head and is not more than 610 degrees Celsius.
Step 4: the monocrystalline conductive copper bus-bar of continuously extruding and molding to be immersed in the anti-oxidant lubrication in step 1
Oil removes until being cooled to 40 degrees Celsius hereinafter, then wiping the anti-oxidant lubricating oil on monocrystalline conductive copper bus-bar surface,
Again with the surface of a small amount of industrial alcohol wiping monocrystalline conductive copper bus-bar；For cooling down the anti-oxidant profit of monocrystalline conductive copper bus-bar
Several cooling copper tubes are provided in lubricating oil, cooling water flows through several cooling copper tubes to indirectly to the anti-oxidant lubricating oil
It is cooled down.
Step 5: align and draw monocrystalline conductive copper bus-bar by several straightening rolls being collinearly arranged, then by
Line locking cutting setting carries out cutting section to the monocrystalline conductive copper bus-bar of fixed length, then by the monocrystalline conductive copper bus-bar after cutting
Carry out bundled packing.
Specific embodiment 2
A kind of monocrystalline conductive copper bus-bar extrusion forming processing method, monocrystalline conductive copper bus-bar provided by the present embodiment include
The element of following percentage composition: antimony 1.20%, beryllium 0.66%, aluminium 0.78%, europium 0.03%, surplus are copper；And specific method step with
Specific embodiment 1 is identical, the difference is that, the anti-oxidant lubricating oil includes the component of following mass fraction:
8 parts of graphite, 7 parts of triethanolamine, 15 parts of cellulose, 5 parts of sebacic acid, 4 parts of p-hydroxy benzaldehyde, high temperature butter 40
Part.
Specific embodiment 3
A kind of monocrystalline conductive copper bus-bar extrusion forming processing method, monocrystalline conductive copper bus-bar provided by the present embodiment include
The element of following percentage composition: antimony 0.21%, beryllium 0.72%, aluminium 0.87%, europium 0.02%, surplus are copper；And specific method step with
Specific embodiment 1 is identical, the difference is that, the anti-oxidant lubricating oil includes the component of following mass fraction:
9 parts of graphite, 6 parts of triethanolamine, 13 parts of cellulose, 7 parts of sebacic acid, 5 parts of p-hydroxy benzaldehyde, high temperature butter 50
Part.
Comparative examples
A kind of monocrystalline conductive copper bus-bar extrusion forming processing method, monocrystalline conductive copper bus-bar ingredient provided by the present embodiment
And specific method step is identical as specific embodiment 3, the difference is that, the operation of step 1 and step 2 is deleted, directly
It is operated by step 3.
Specific embodiment 1 and 2 can reduce by 15%~17% relative to comparative examples, resistivity；Specific embodiment 3 is opposite
In comparative examples, resistivity can reduce by 17%~20%.
Preferable implementation of the invention is illustrated above, certainly, the present invention can also use and above-mentioned implementation
The different form of mode, those skilled in the art's made equivalent transformation on the premise of without prejudice to spirit of the invention
Or corresponding change, all it should belong in protection scope of the present invention.
Claims (5)
1. a kind of monocrystalline conductive copper bus-bar extrusion forming processing method, which is characterized in that monocrystalline conductive copper bus-bar includes following hundred
Divide the element of content: antimony 0.15%~1.20%, beryllium 0.66%~0.78%, aluminium 0.78%~1.01%, europium 0.02%~0.04%, surplus
For copper；And the following steps are included:
Step 1: the anti-oxidant lubricating oil includes following in the anti-oxidant lubricating oil of surface even spread of monocrystalline conductive copper bar
The component of mass fraction: 8~12 parts of graphite, 4~7 parts of triethanolamine, 9~15 parts of cellulose, 5~11 parts of sebacic acid, to hydroxyl
4~8 parts of benzyl aldehyde, 40~60 parts of high temperature butter；
Step 2: the monocrystalline conductive copper bar for being coated with the anti-oxidant lubricating oil is sent in preheating cavity, it is not more than with per second
20 degrees Celsius of heating rate is heated to 350~380 degrees Celsius；
Step 3: the monocrystalline conductive copper bar after preheating is delivered in continuously extruding and molding head, pass through continuously extruding and molding machine
Extruding wheel in head squeezes push monocrystalline conductive copper bar, and monocrystalline conductive copper bar rubs to be heated in continuously extruding and molding head and improve
Then mobility makes monocrystalline conductive copper bar by continuously extruding and molding mold to which monocrystalline conductive copper bus-bar is made in moulding；
Step 4: the monocrystalline conductive copper bus-bar of continuously extruding and molding is immersed in the anti-oxidant lubricating oil in step 1, directly
It removes, then uses hereinafter, then wiping the anti-oxidant lubricating oil on monocrystalline conductive copper bus-bar surface to being cooled to 40 degrees Celsius
The surface of a small amount of industrial alcohol wiping monocrystalline conductive copper bus-bar；
Step 5: aligning by several straightening rolls being collinearly arranged and drawing monocrystalline conductive copper bus-bar, then by online same
Step cutting setting carries out cutting section to the monocrystalline conductive copper bus-bar of fixed length, then carries out the monocrystalline conductive copper bus-bar after cutting
Bundled packing.
2. a kind of monocrystalline conductive copper bus-bar extrusion forming processing method according to claim 1, it is characterised in that: monocrystalline is led
Electrolytic copper busbar includes the element of following percentage composition: antimony 0.21%, beryllium 0.72%, aluminium 0.87%, europium 0.02%, surplus are copper.
3. a kind of monocrystalline conductive copper bus-bar extrusion forming processing method according to claim 1, it is characterised in that: described anti-
Oxidation lubricant includes the component of following mass fraction: 9 parts of graphite, 6 parts of triethanolamine, 13 parts of cellulose, 7 parts of sebacic acid, right
5 parts of hydroxyphenylmethyl aldehyde, 50 parts of high temperature butter.
4. a kind of monocrystalline conductive copper bus-bar extrusion forming processing method according to claim 1, it is characterised in that: step 3
Maximum temperature of the middle control monocrystalline conductive copper bar in continuously extruding and molding head is not more than 610 degrees Celsius.
5. a kind of monocrystalline conductive copper bus-bar extrusion forming processing method according to claim 1, it is characterised in that: step 4
In, several cooling copper tubes are provided in the anti-oxidant lubricating oil for cooling down monocrystalline conductive copper bus-bar, if cooling water flows through
The cooling copper tube is done to cool down indirectly to the anti-oxidant lubricating oil.
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| CN109949964A (en) * | 2019-03-07 | 2019-06-28 | 北京大学 | A kind of method for reducing high-frequency circuit loss of based single crystal copper |
| CN110449481A (en) * | 2019-07-26 | 2019-11-15 | 安徽鑫旭新材料有限公司 | A kind of continuous cold extrusion shaped online anaerobic cooling system of copper bar |
| CN112355076A (en) * | 2020-11-17 | 2021-02-12 | 金川集团股份有限公司 | Heating method of hollow ingot |
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| DE2720723A1 (en) * | 1976-05-10 | 1977-11-24 | Western Electric Co | METHOD OF MANUFACTURING A CORE SHEET BOLT |
| KR20020076360A (en) * | 2001-03-28 | 2002-10-11 | 주식회사 티에스엠텍 | Electroplating boosbar manufacturing process |
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Effective date of registration: 20200423 Address after: 331100 south 2nd Road, Industrial Avenue, phase I, resource recycling industrial base, Fengcheng City, Yichun City, Jiangxi Province Patentee after: Jiangxi Yuda Industry Co., Ltd Address before: 241009 Room 402, Unit 3, 42 New Smelting Village, Liushan North Road, Jiujiang District, Wuhu City, Anhui Province Patentee before: Shang Chengrong |