CN107350299A - 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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- CN107350299A CN107350299A CN201710642921.1A CN201710642921A CN107350299A CN 107350299 A CN107350299 A CN 107350299A CN 201710642921 A CN201710642921 A CN 201710642921A CN 107350299 A CN107350299 A CN 107350299A
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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 method, comprise the following steps：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, 350~380 degrees Celsius are heated to the heating rate per second for being not more than 20 degrees Celsius；Make monocrystalline conductive copper bar by continuously extruding and molding mould so as to moulding obtained monocrystalline conductive copper bus-bar by continuously extruding and molding head；It is immersed in the anti-oxidant lubricating oil and is cooled to less than 40 degrees Celsius, then the anti-oxidant lubricating oil is wiped and removed, then the surface of monocrystalline conductive copper bus-bar is wiped with a small amount of industrial alcohol；The smoothing roll collinearly set by several is aligned and draws monocrystalline conductive copper bus-bar again, 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, 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, particularly a kind of monocrystalline conductive copper bus-bar extrusion forming processing
Method.
Background technology
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 significantly increase the fidelity of the electric conductivity of conductive copper material and signal transmission；
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-mail 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 in technique using directional solidification technique and continuously casting technology
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
Technology is squeezed in continuous casting, and conventional polycrystalline conduction copper material extrusion forming operation process is：Copper material upper lead conticaster is utilized into electrolysis first
The oxygen-free copper bar uncoiling that the length of copper continuous fusion-cast production different size is bright is aligned, and is then fed into extrusion forming head and is passed through
Then extrusion process is wound into a roll packing into the bright oxygen-free copper section bar of specific standard and the long length of shape by winding apparatus
Put；Or by copper material extrusion forming turned off in synchronization device by the oxygen-free copper section steel cutting after extrusion forming into full-length
Pole stock, shipment storage of packing then bundledly.In order to avoid destroy monocrystalline conduction copper material inherent structure, for suitable for
The extrusion forming process of conventional polycrystalline conduction copper material needs to make further to improve.
The content of the invention
For overcome the deficiencies in the prior art, the invention provides a kind of monocrystalline conductive copper bus-bar extrusion forming processing side
Method, it disclosure satisfy that actual production requirement.
The technical solution adopted for 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 element of following percentage composition：
Antimony 0.15%~1.20%, beryllium 0.66%~0.78%, aluminium 0.78%~1.01%, europium 0.02%~0.04%, surplus are copper；And including with
Lower step：
Step 1: in the anti-oxidant lubricating oil of surface even spread of monocrystalline conductive copper bar, the anti-oxidant lubricating oil includes following
The component of mass fraction：8~12 parts of graphite, 4~7 parts of triethanolamine, 9~15 parts of cellulose, 5~11 parts of SA, 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 extruding push monocrystalline conductive copper bar in head, monocrystalline conductive copper bar rub to be heated in continuously extruding and molding head and improved
Mobility, then make monocrystalline conductive copper bar by continuously extruding and molding mould so as to moulding obtained monocrystalline conductive copper bus-bar；
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
To being cooled to less than 40 degrees Celsius, then the anti-oxidant lubricating oil on monocrystalline conductive copper bus-bar surface is wiped and removed, then is used
A small amount of industrial alcohol wipes the surface of monocrystalline conductive copper bus-bar；
Step 5: the smoothing roll collinearly set by several is aligned and draws monocrystalline conductive copper bus-bar again, then by
Line locking cutting is set 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 the further improvement of above-mentioned technical proposal, 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 the further improvement of above-mentioned technical proposal, 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 SA, 5 parts of p-hydroxy benzaldehyde, 50 parts of high temperature butter.
As the further improvement of above-mentioned technical proposal, 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 the further improvement of above-mentioned technical proposal, in step 4, for cooling down the described anti-of monocrystalline conductive copper bus-bar
Some cooling copper tubes are provided with oxidation lubricant, cooling water flows through some cooling copper tubes so as to indirectly to described anti-oxidant
Lubricating oil is cooled down.
Compared with prior art, the beneficial effects of the invention are as follows：
A kind of monocrystalline conductive copper bus-bar extrusion forming processing method provided by the present invention, will not destroy the interior of monocrystalline conduction copper material
In structure, suitable for processing monocrystalline conductive copper bus-bar, the monocrystalline conductive copper bus-bar prepared by extrusion forming process
The polycrystalline conductive copper bus-bar of same specification is compared in the prior art, and resistivity can reduce by 15%~20%, can be widely applied to
The electronic information association area such as audio and video equipment, high-definition television.
Embodiment
Below in conjunction with specific embodiments come be further described the present invention technology contents.
Specific embodiment 1
A kind of monocrystalline conductive copper bus-bar extrusion forming processing method that the present embodiment is provided, monocrystalline conductive copper bus-bar include following
The element of percentage composition：Antimony 0.15%, beryllium 0.78%, aluminium 1.01%, europium 0.04%, surplus are copper；And comprise the 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 following
The component of mass fraction：12 parts of graphite, 4 parts of triethanolamine, 9 parts of cellulose, 11 parts of SA, 8 parts of p-hydroxy benzaldehyde are high
Warm 60 parts of 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 more 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 extruding push monocrystalline conductive copper bar in type head, 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 mould so as to moulding obtained monocrystalline conductive copper bus-bar；
Maximum temperature of the monocrystalline conductive copper bar in continuously extruding and molding head is controlled to be not more than 610 degrees Celsius.
Step 4: the monocrystalline conductive copper bus-bar of continuously extruding and molding is immersed in the anti-oxidant lubrication in step 1
Oil, until being cooled to less than 40 degrees Celsius, then the anti-oxidant lubricating oil on monocrystalline conductive copper bus-bar surface is wiped and removed,
The surface of monocrystalline conductive copper bus-bar is wiped with a small amount of industrial alcohol again；For cooling down the anti-oxidant profit of monocrystalline conductive copper bus-bar
Some cooling copper tubes are provided with lubricating oil, cooling water flows through some cooling copper tubes so as to indirectly to the anti-oxidant lubricating oil
Cooled down.
Step 5: the smoothing roll collinearly set by several is aligned and draws monocrystalline conductive copper bus-bar, Ran Houtong again
Cross on-line synchronous cutting setting and cutting section is carried out to the monocrystalline conductive copper bus-bar of fixed length, then by the monocrystalline conductive copper after cutting
Busbar carries out bundled packing.
Specific embodiment 2
A kind of monocrystalline conductive copper bus-bar extrusion forming processing method that the present embodiment is provided, monocrystalline conductive copper bus-bar include following
The element of percentage composition：Antimony 1.20%, beryllium 0.66%, aluminium 0.78%, europium 0.03%, surplus are copper；And specific method step with it is specific
Embodiment 1 is identical, and difference is, 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 SA, 4 parts of p-hydroxy benzaldehyde, 40 parts of high temperature butter.
Specific embodiment 3
A kind of monocrystalline conductive copper bus-bar extrusion forming processing method that the present embodiment is provided, monocrystalline conductive copper bus-bar include following
The element of percentage composition：Antimony 0.21%, beryllium 0.72%, aluminium 0.87%, europium 0.02%, surplus are copper；And specific method step with it is specific
Embodiment 1 is identical, and difference is, 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 SA, 5 parts of p-hydroxy benzaldehyde, 50 parts of high temperature butter.
Comparative examples
A kind of monocrystalline conductive copper bus-bar extrusion forming processing method that the present embodiment is provided, monocrystalline conductive copper bus-bar composition and
Specific method step is identical with specific embodiment 3, and difference is, the operation of delete step one and step 2, directly by step
Rapid three start to operate.
Specific embodiment 1 and 2 can reduce by 15%~17% relative to comparative examples, resistivity；Specific embodiment 3 is relative
In comparative examples, resistivity can reduce by 17%~20%.
The preferable implementation to the present invention is illustrated above, and certainly, the present invention can also use and above-mentioned implementation
The different form of mode, the equivalent conversion that those skilled in the art are made on the premise of without prejudice to spirit of the invention
Or corresponding change, it should all belong in protection scope of the present invention.
Claims (5)
1. a kind of monocrystalline conductive copper bus-bar extrusion forming processing method, it is characterised 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 comprise the 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 following
The component of mass fraction：8~12 parts of graphite, 4~7 parts of triethanolamine, 9~15 parts of cellulose, 5~11 parts of SA, 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 extruding push monocrystalline conductive copper bar in head, monocrystalline conductive copper bar rub to be heated in continuously extruding and molding head and improved
Mobility, then make monocrystalline conductive copper bar by continuously extruding and molding mould so as to moulding obtained monocrystalline conductive copper bus-bar；
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
To being cooled to less than 40 degrees Celsius, then the anti-oxidant lubricating oil on monocrystalline conductive copper bus-bar surface is wiped and removed, then is used
A small amount of industrial alcohol wipes the surface of monocrystalline conductive copper bus-bar；
Step 5: the smoothing roll collinearly set by several is aligned and draws monocrystalline conductive copper bus-bar again, then by
Line locking cutting is set 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.
A kind of 2. 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.
A kind of 3. monocrystalline conductive copper bus-bar extrusion forming processing method according to claim 1, it is characterised in that：It is 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 SA are right
5 parts of hydroxyphenylmethyl aldehyde, 50 parts of high temperature butter.
A kind of 4. 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.
A kind of 5. monocrystalline conductive copper bus-bar extrusion forming processing method according to claim 1, it is characterised in that：Step 4
In, some cooling copper tubes are provided with the anti-oxidant lubricating oil for cooling down monocrystalline conductive copper bus-bar, if cooling water flows through
The cooling copper tube is done so as to be cooled down indirectly to the anti-oxidant lubricating oil.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| 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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| CN107350299B (en) | 2018-12-18 |
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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 |